选修八unit5语法
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第10讲Meeting your ancestors 语法篇____________________________________________________________________________________________________________________________________________________________________1.掌握现在完成进行时的用法;2.能够区分现在完成时与现在完成进行时。
现在完成进行时(1)结构由“have/has been+动词的现在分词”构成,表示从过去某时开始,一直持续到现在的动作,可能刚刚停止,也可能还在继续进行。
例如:We have been looking for you for an hour.我们找了你一个小时。
(动作刚停止)She has been teaching English since she graduated.她毕业后一直在教英语。
(动作还在继续进行)We have been going over maths these days.我们这些天一直在复习数学。
(动作还在继续进行)(2)有时现在完成进行时不是指某动作一直在不停的进行,而是表示一直到说话时为止的一段时间内一再重复的动作,常常带有感情色彩。
例如:She has been saying that 20 times. 这话她已经说了20遍了。
He has been calling on her several times this week. 他这个星期几次来看他。
We have been having a lot of rain recently. 最近雨水很多。
(3)有时现在完成进行时表示刚才或近来发生的动作,也可表示知道说话时为止的一段时间内发生的动作,这一动做到说话时已经结束,而且一般不再继续下去;这种用法主要表示某一动作所产生的结果或对现在的影响。
高中英语选修8第五单元重点、难点Unit5 Reading 1. identify—vt 确认,识别,鉴别(1)How to identify the payee of a cheque ?怎样验明支票的受款人?(2)Why do you identify my handwriting ?你们为何要鉴定我的笔迹?(3)The porters may be-identified by their red caps. 从他们戴的红帽子就可辨认出他们是行李搬运工。
2)identify sb/ sth as sb/ sth 确认、证明某人或某物系某人或某物(1)Can you identify the man as the murder?你确认此人是凶手吗?(2)He has identified the quilt as yours 他已经证明这个被子是你的被子。
3)Identify (oneself)with sb/sth 认为某人与某人或某物有关联或等同。
(1)That politician is closely-identified with the former government. 据认为那位政治家与前政府有非常密切的关系。
(2)One can’t identify happiness with wealth 幸福与财富不能混为一谈。
(3)He identifies beauty with goodness. 他认为美与善是一致的。
4)identify with sb 理解某人,同情某人(1)I found it hard to identify with any of the characters in the farm. 我对这部电影里的任何角色都难以认同(2)The boss should identified with his or her staff. 老板应当同情并理解他(她)的员工。
第10讲Meeting your ancestors 语法篇____________________________________________________________________________________________________________________________________________________________________1.掌握现在完成进行时的用法;2.能够区分现在完成时与现在完成进行时。
现在完成进行时(1)结构由“have/has been+动词的现在分词”构成,表示从过去某时开始,一直持续到现在的动作,可能刚刚停止,也可能还在继续进行。
例如:We have been looking for you for an hour.我们找了你一个小时。
(动作刚停止)She has been teaching English since she graduated.她毕业后一直在教英语。
(动作还在继续进行)We have been going over maths these days.我们这些天一直在复习数学。
(动作还在继续进行)(2)有时现在完成进行时不是指某动作一直在不停的进行,而是表示一直到说话时为止的一段时间内一再重复的动作,常常带有感情色彩。
例如:She has been saying that 20 times. 这话她已经说了20遍了。
He has been calling on her several times this week. 他这个星期几次来看他。
We have been having a lot of rain recently. 最近雨水很多。
(3)有时现在完成进行时表示刚才或近来发生的动作,也可表示知道说话时为止的一段时间内发生的动作,这一动做到说话时已经结束,而且一般不再继续下去;这种用法主要表示某一动作所产生的结果或对现在的影响。
2020年高考英语一轮复习:选修八Unit 5 Meeting your ancestors[单词回顾·会拓展]Ⅰ.核心词汇(能写会用)1.somehow相关单词一览①somehow ad v.以……方式;不知怎么地;不知为什么②anyhow ad v.无论如何③anyway ad v.无论如何;不管怎样④somewhat ad v.有点儿;有几分;颇为2.分词用作介词或连词小结①assuming 假设;假定②considering 鉴于;考虑到③including 包含;包括④supposing 假设;假如⑤provided/providing 假设;如果⑥concerning 关于⑦given 鉴于;考虑到3.后缀en构成的动词集锦①sharp→sharpen 磨快;使敏捷1.tentative adj .试探性的;不确定的 2.ample adj .足够的;充足的;富裕的 3.primitive adj .原始的;远古的;简陋的 4.category n .种类;类别;范畴 5.receptionistn .接待员;招待员 6.yogurt n .酸乳酪;酸奶 7.wrinkle n .皱纹8.pulse v i .强烈而有规律地跳动;搏动 n .脉搏;节拍 9.howl v t .& v i .嗥叫;叫喊;吼叫 n .长嚎;嗥叫 语境串联Mr.Brown ,an acute politician ,gave a significant speech that a lot of poor people have no alternative but to starve to death and regardless of others ,rich people should help improve their messy living conditions.He was interrupted by the audience applauding from time to time.Assuming that if all of us do such things in a systematic way ,we 'll accelerate the development of society.[短语再现·能应用]college student!”However,looking ahead,he has no alternative but to prepare for the coming College Entrance Examinations.Fed up with doing lots of exercises every day regardless of a lot of difficulties,he knows he has to accelerate his walk to revision.His parents both applaud him and are proud of him.[句型重温·巧仿写]教材情景导入01语法填空A group of students from England has come to theZhoukoudian caves for a visit.An archaeologist 1.is showing(show) them round.The archaeologists 2.have been excavating(excavate) here for many years.After finding human and animal bones 3.in those caves higher up the hill as well as tools and other objects assume discovered fireplaces in the centre of the caves 5.where they constructed fires.Some evidence suggests 6.that our ancestors did wear clothes 7.made (make) from animal skins.The archaeologist also shows the students a primitive necklace 8.preserved (preserve) quite well.Indeed analysis has been 9.specially(special) showing us fields around here used to be part of a large shallow假定/假设某人/某事为……assume that... 假定/假设……It is assumed that... ……被认为(2)assumption n. 假定;假设make an assumption 认为;假定on the assumption that 假定(3)assuming (that)... 假设/假定……①Don't assume it is OK to be rude if the person you're in touch with won't recognize you. 不要主观地认为如果你正在接触的人认不出来你,你就可以粗鲁。
Book 8 Unit 5 GrammarThe present perfect continuous tense----如今完成进展时1 定义: 一般表示动作从过去某一时间可是一直延续到如今,如今这个动作可能刚刚终止,也可能仍然在进展着。
2 如今完成进展时的构成:如今完成进展时是由“have/has+been+动词的如今分词〞构成3 如今完成进展时的根本句型:肯定式have \ has been V.ing疑问式Have \ Has sb. been V.ing?简单答复Yes,sb. have\ has . No,sb. haven't\ hasn't4 如今完成时的用法1)在强调指出动作还未完毕,还要继续下去。
如:I've been reading this book for two hours,but I haven't finished it.这本书我已读了两个小时了,但我还没读完。
2〕强调动作延续时间的长久或带感情色彩。
She has always been working like that她一贯是这样工作的。
3〕如今完成进展时也可表示如今以前这段时间反复发生的事情。
We've been seeing quite a lot of each other recently.最近我们经常见面。
5 如今完成时和如今完成进展时的区别(1) 如今完成时的“已完成〞用法强调动作的完成,而如今完成进展时表示动作未完成。
试分析:I have read David Copperfield.〔已看完〕I have been reading the novel.〔未看完〕They have built an oil ship.〔已造成〕They have been building the oil ship.〔未造成〕(2) 在与表示一段时间的状语连用时,如今完成时的“未完成〞用法和如今完成时都表示动作过程的持续性,但用如今完成时更强调动作延续时间的长久。
Unit 5Meeting your ancestorsⅠ.单词语境记忆1.the alternative of riding or walking在骑车和步行中选择一种2.his acute analysis of the situation 他对形势敏锐的分析3.in the botanical garden 在植物园里4.five categories of books 五种类别的图书5.arrest my attention 吸引了我的眼球6.check his pulse检查他的脉搏7.feel dizzy and short of breath 感动头晕气短8.the safety of radioactive material 放射性物质的安全9.a project of great significance十分重要的项目10.ample rainfall in that area 那个地区的丰沛降水Ⅱ.词性转换与派生记忆1.scratch n.(刮、抓、划的)痕迹;搔;挠→v t.搔;抓;擦伤;刮坏2.pulse n.脉搏;节拍→v i.强烈而有规律地跳动;搏动3.worship n.崇拜;敬神→v t.& v i.崇拜;敬奉4.identify v t.确认;识别;鉴别→identification n.辨认;鉴定→identity n.身份;一致;同一性5.starvation n.挨饿;饿死→starve v.(使)挨饿;饿死6.accuracy n.精确;准确→accurate adj.准确的;精确的→accurately ad v.准确地;精确地7.interrupt v t.& v i.打断……讲话;打岔;暂时中断或中止→interruption n.打断;打岔;中止8.assume v t.假定;设想→assuming conj.假设→assumption n.设想;假定;担任9.sharpen v.(使)锋利;尖锐;清晰;削尖→sharp adj.锋利的→sharpener n.磨具;削具;铅笔刀10.messy adj.凌乱的;脏的→mess n.凌乱;脏11.ripen v.使……成熟;成熟→ripe adj.成熟的12.systematic adj.有系统的;有计划的;有条理的→system n.系统;制度13.academy n.学院;学会;学术团体;院校→academic adj.学术的;理论的14.receptionist n.接待员;招待员→receive v.接收→reception n.接待;接收15.division n.划分;分割;分配;分界线→divide v.分开;分割;划分16.applaud v i.& v t.鼓掌欢迎;赞赏→applause n.鼓掌17.accelerate v.加速;促进→acceleration n.加速度18.skilful adj.有技巧的;熟练的→skilled adj.熟练的;有技能的→skill n.技能;技巧Ⅲ.单词趣味串记1.His acute observation made his research work accurate.他的敏锐的洞察力使他的研究工作十分准确。
高考英语核心考点归纳--选修八unit 51.assume vt.假定;设想;假装;承担【教材原句】So we think it is reasonable to assume they lived in these caves,regardless of the cold.因此,我们有理由认为他们不顾严寒,就住在这些洞穴里。
派生assumption n.假定;假设领悟高考·究考法「◆完成句子」(1)It is assumed that stress is caused by too much work.一般认为,紧张是工作过多所致。
(2)Assuming that our plan is turned down,what shall we do?假定我们的计划被否定了,我们该怎么办?(3)As far as I know,many people assume him to be right.据我所知,很多人认为他正确。
(4)Many people make the assumption that poverty only exists in the Third World.很多人认为,贫穷只在第三世界国家存在。
联想拓展·记考点(1)assume sb./sth.to be...认为某人/某事是……(2)It is assumed that...假定……,普遍认为……(3)assuming that...假设……(4)make an assumption 认为;假定2.regardless of不管;不顾【教材原句】So we think it is reasonable to assume they lived in these caves,regardless of the cold.因此,我们有理由认为他们不顾严寒,就住在这些洞穴里。
领悟高考·究考法「◆翻译或完成句子」(1)Regardless of your choice of course,you’ll develop your language ability both quickly and effectively.无论选择什么样的课程,你都会快速有效地发展你的语言能力。
选修八Unit 51. identify/ aɪˈdentɪfaɪ; aɪˋdɛntəˏfaɪ/ v (pt, pp -fied)~ sb/sth as sb/sth show, prove, etc who or what sb/sth is; recognize sb/sth (as being the specified person or thing) 确认﹑证明某人[某事物]; 鉴别出(系某人或某物): Can you identify your umbrella among this lot? 你能在这些伞中认出你自己的那一把吗? She identified the man as her attacker. 她认出那个男人就是袭击过她的人.~ sth with sth consider sth to be identical with sth; equate two things 认为某事物与另事物等同:One cannot identify happiness with wealth. 幸福和财富不能混为一谈.~ with sb/sth to feel sympathy with someone or be able to share their feelings 认同某人或某物,与某人或某物有同感:He identified with our distress. 他体谅我们的痛苦。
2. alternative/ ɔːlˈtɜːnətɪv; ɔlˋtənətɪv/ adj [attrib 作定语]available in place of sth else; other 可用以代替其它事物的; 另一可选用的; 其他的:find alternative means of transport 另找一个运输方法Have you got an alternative suggestion? 你有没有其它的建议?> alternative n choice of two or more possibilities 可能性中的选择:You have the alternative of marrying or remaining a bachelor. 你可以结婚也可以仍做单身汉, 任你选择. Caught in the act, he had no alternative but to confess. 他被当场抓住, 除了招供别无出路.常见搭配:have no alternative but to do sth. (除……以外)别无选择there is no alternative…别无选择an alternative to 是……的替代物;可以代替3. interrupt/ ˏɪntəˈrʌpt; ˏɪntəˋrʌpt/ vbreak the continuity of (sth) temporarily 暂时中断或中止(某事物):Trade between the two countries was interrupted by the war. 两国间贸易因战争而中断. We interrupt this programme to bring you a news flash. 我们中断节目, 报告新闻快讯.~ (sb/sth) (with sth) (贬) stop (sb) speaking, etc or (sth) happening by speaking oneself or by causing some other sort of disturbance 打断(某人)讲话; 打岔; 打扰: Don't interrupt (me) while I'm busy! 我正忙着, 不要打搅我!4. acute/ əˈkjuːt; əˋkjut/ adj (-r, -st)very great; severe 极大的; 严重的: suffer acute hardship 遭受极大的苦难* There's an acute shortage of water. 严重缺水.(of feelings or the senses) keen; sharp; penetrating (指感觉或感官)敏锐的, 深刻的, 剧烈的:suffer acute pain, embarrassment, remorse, etc 感到剧烈的疼痛﹑极度的尴尬﹑深深的懊悔等Dogs have an acute sense of smell. 狗的嗅觉很敏锐.5. assume/ əˈsjuːm; US əˈsuːm; əˋsum/ vaccept (sth) as true before there is proof 假定; 假设; 设想; 以为:I am assuming that the present situation is going to continue. 我认为目前的情况将会继续下去.We must assume him to be innocent until he is proved guilty. 尚未证实他有罪, 就得假定他是清白的.> assumed adj [attrib 作定语] pretended; false 假装的; 假的:living under an assumed name使用假名字活着.6. regardless adv (infml 口) paying no attention to sb/sth 不加理会; 不顾:I protested, but she carried on regardless. 我极力反对, 但她置之不理仍一意孤行.regardless of prep paying no attention to (sb/sth); heedless of 不理会(某人[某事物]); 不顾: regardless of the consequences, danger, expense 不顾後果﹑危险﹑代价He continued speaking, regardless of my feelings on the matter. 他不顾及我在此事上的感情继续往下说.7. 关于cut的词组:cut down(a) cause sth to fall down by cutting it at the base (自基础部分)砍倒: cut down a tree砍倒一棵树.(b) reduce the length of sth; shorten sth 缩短某物; 删减某物: cut down a pair of trousers 把裤子改短(c) reduce the amount or quantity of sth; consume, use or buy less (of sth) 减少某事物的数额或数量; 减少消耗, 少用或少买(某物): cut down one's expenses 减少开支cut in(a) (of a vehicle or driver) move suddenly in front of another vehicle, leaving little space between the two vehicles (指车辆或司机)超车抢道:The lorry overtook me and then cut in (on me). 那辆卡车超越我的车後, 突然插入我前方的位置.(b)interrupt sb/sth 打断﹑打搅某人[某事物] cut in (on sb/sth); cut into sth:She kept cutting in on/cutting into our conversation. 我们谈话时她老是插嘴.cut off(a) cut sb off (a) (常用於被动语态) interrupt sb speaking on the telephone by breaking the connection 切断电话线路使某人通话中断:We were cut off in the middle of our conversation. 我们正交谈时, 线路被切断了.(b) cut sb/sth off (from sb/sth) (常用於被动语态) prevent sb/sth from leaving or reaching a place or communicating with people outside a place 切断某人[某事物]的去路或来路; 使某人[某事物]与外界隔绝:an army cut off from its base 与基地失去联络的军队The village was cut off (from the outside world) by heavy snow for a month. 村庄被大雪封住(而不能与外界联系)达一个月.cut out(a) (infml 口) leave sth out; omit sth 去掉或省略某事物:You can cut out the unimportant details. 你可以删掉不重要的细节.(b) (infml 口) stop doing, using or consuming sth 停止做某事; 停止使用或消耗某物:cut out sweets in order to lose weight为了减轻体重而戒食糖果.cut updivide sth into small pieces with a knife, etc 用刀等把某物分成小块; 切碎; 剪碎:cut up vegetables把蔬菜切碎.8.significance/ sɪgˈnɪfɪkəns; sɪɡˋnɪfəkəns/ n [U]meaning 意义; 意思: What is the significance of this symbol?这个符号是什麽意思?importance 重大意义; 重要性: a speech of great significance有重大意义的讲话Few people realized the significance of the discovery. 很少有人意识到这一发现的重要性.9. somehow/ ˈsʌmhau; ˋsʌmˏhaʊ/ (US also someway/ˈsʌmweɪ; ˋsʌmˏwe/) indef advin some way; by some means 以某种方式; 通过某种途径:We must stop him from seeing her somehow. 我们得想个办法不能让他再跟她来往.for a reason that is unknown or unspecified 由於未知的或未确指的原因:Somehow, I don't feel I can trust him. 不知什麽缘故, 我觉得不能信任他.10. fed up/ ˏfed ˈʌp; ˏfɛd ˋʌp/ adj [pred 作表语] ~ (with sb/sth) (infml 口) tired or bored; unhappy or depressed 厌倦; 厌烦; 不愉快; 沮丧:What's the matter? You look pretty fed up. 怎麽啦? 你显得那麽不高兴.I'm fed up with waiting for her to telephone. 我等她的电话都等得不耐烦了.11. wrinkle/ ˈrɪŋkl; ˋrɪŋkl/ n(usu pl 通常作复数) small fold or line in the skin, esp one of those on the face that are caused by age (皮肤上的)皱纹(尤指老人脸上的):She's beginning to get wrinkles around her eyes. 她眼角上开始出现皱纹了.raised fold in a piece of material, eg paper or cloth; small crease (材料上的)皱纹(如纸上或布上的; 小褶: She pressed her skirt to try to remove all the wrinkles. 她熨她的裙子, 想把褶儿都熨平.> wrinkle v (cause sth to) form wrinkles (使某物)形成皱纹或皱褶:The paper has wrinkled where it got wet. 这张纸湿的地方起皱褶了.12. pulse/ pʌls; pʌls/ n(通常作单数) regular beating of the arteries as blood is pumped through them by the heart, esp as felt at the wrist 脉搏: have a low, irregular, strong, weak, etc pulse 脉搏很慢﹑不规则﹑很强﹑很弱等[attrib 作定语] one's `pulse rate, ie the number of times per minute that one's heart beats, as felt at the wrist 脉率(按脉所得每分钟的心跳数).13. 关于look的词组:look ahead think about what is going to happen in the future 向前看; 为将来打算:Have you looked ahead to what you'll be doing in five years' time? 你是否想过五年後你要做些什麽?look forward to sth/doing sth anticipate sth with pleasure 欣然期待某事物:look forward to one's holidays, the weekend, a trip to the theatre 盼望放假﹑周末﹑去看戏We're so much looking forward to seeing you again. 我们非常盼望再见到你.look into sth investigate or examine sth 调查或观察某事物:A working party has been set up to look into the problem. 已成立工作组调查该问题.His disappearance is being looked into by the police. 他失踪一事警方正在调查.look out (used in the imperative 用於祈使句) be careful; watch out 小心; 当心:Look out! There's a car coming. 小心! 有辆汽车来了.look up (a) raise one's eyes 仰视: She looked up (from her book) as I entered the room. 我进屋时, 她(放下书)抬眼看了看.(b) search for (a word or fact) in a dictionary or reference book(在词典或参考书中)查阅(词或资料):If you want to know how a word is used, look the word up in the Advanced Learner's Dictionary. 要想了解某词的用法, 查《高阶词典》.Look up the time of the next train in the timetable. 查一下火车时刻表中下一趟车的时间.14.accelerate/ əkˈseləreɪt; əkˋsɛləˏret/ vmake (sth) move faster or happen earlier; increase the speed of 使(某事物)加快; 促进(某事物); 加速: accelerating the rate of growth提高生长率.move or happen more quickly 加速; 加快:The car accelerated as it overtook me.那辆汽车一加速就超越了我.> acceleration / əkˏseləˈreɪʃn; əkˏsɛləˋreʃən/ n [U]1 making or being made quicker; increase in speed 加快; 促进; 加速:an acceleration in the rate of economic growth经济发展速率的增长.2 (of a vehicle) ability to gain speed (指车辆)加速性能: a car with good acceleration加速性能良好的汽车.15.arrest/ əˈrest; əˋrɛst/ vseize (sb) with the authority of the law 依法逮捕, 拘留, 扣留(某人):After the match three youths were arrested. 比赛过後有三个青年被捕.attract (sth) 吸引(某事物): An unusual painting arrested his attention. 一幅异乎寻常的画引起了他的注意.16. date back to/from... have existed since 自某时代存在至今;追溯到:This castle dates (back) from the 14th century, ie was built then. 这座城堡建於14世纪.Our partnership dates back to (ie We have been partners since) 1960. 我们从1960年就合伙了.。
单元尾核心要点回扣Ⅰ.重点单词1. v t .&v i .打断……讲话;打岔;暂时中断或中止→ n .打扰;中断(时间)2. v t .假定;设想→ n .假设;假定3. adj .有重大意义的→ n .意义;意思;重要性;重要意义4. v .(使)饿死→ n . 挨饿;饿死5. n .可能的选择adj .供选择的;其他的→ ad v .供选择地【答案】 1.interrupt ;interruption 2.assume ;assumption 3.significant ;significance 4.starve ;starvation 5.alternative ;alternativelyⅡ.重点短语1.⎩⎪⎨⎪⎧cut 切碎;使悲痛cut 切掉;删掉cut 抄近路;径直穿过cut 减少;砍倒cut 切断(气、电、水等的)供应;隔断 cut 插嘴,打断别人2.⎩⎪⎨⎪⎧(be ) fed up 受够了;饱受;厌烦 feed 反应,反馈feed sb./sth. sth. 用……喂养……feed sth. sb./sth. 喂……给……feed sth. (动物)以……为食,靠……活3.⎩⎪⎪⎨⎪⎪⎧look 向前看;打算look (on ) 回首,回顾look upon/on 看不起,歧视look forward (s ) 盼望,期望look 调查,研究look 快速查看;浏览look 往上看;查阅look 旁观【答案】 1.up ;out ;across ;down ;off ;in 2.with ;back ;on ;to ;on3.ahead ;back ;down ;to ;into ;through ;up ;onⅢ.重点句式1....as the botanical analyses have shown us(正如植物学的分析结果告诉我们的那样),all the fields around here used to be part of a large shallow lake. 2.If only (要是……就好了)she had looked ahead and planned better this year! 3.Abruptly she sat down ,only to be(却被) scooped up by her laughing ,shouting sister ,Luna.Ⅳ.回顾话题用本单元词汇或句式完成下列写作任务我们非常有幸到周口店洞穴参观。
Book8Unit5语法导学案(A)学习目标:知识目标:掌握十大常用时态的基本用法及其被动结构。
能力目标:能够总结现在完成进行时和现在完成时、一般过去时和现在完成时的区别。
情感目标:自主、合作、探究,激情展示,大胆质疑,分享成果。
激发学生对语法的学习热情。
学习重点:掌握十大常用时态的基本用法及其被动结构。
学习难点:能够总结现在完成进行时和现在完成时、一般过去时和现在完成时的区别第一部分:预习案一:动词时态语态基本知识:二.例句呈现:请同学们在括号内写出各句所使用的时态。
1. I always sleep with the window open.( )2. I was reading an interesting book at this time yesterday.( )will be having a gathering party with my friends at this time tomorrow.( ) saw the famous film Pearl Harbor yesterday evening.( )plane takes off at 5 o’clock.( )6. He will arrive in Beijing tomorrow.( )workers are building a garden these days.( )has taught Chinese for 20 years.( )told me that he had read the book twice.( )boy has been reading a book for almost two hours. ( )11. He told me that he would take an important exam the next week. ( )我的疑惑:_______________________________________ _________________ 我的收获:_____________________________________ _______________第二部分:探究案探究一:1) 观察下面两组句子,理解它们的语法形式和语意。
Scene 1 (A girl complained to the boy who hurried up near to her breathlessly.)G: I have been waiting here for ages.B: I have been hurrying here all the wayScene 2 (You plan to play basketball with friends, but the rain is on and on.)Y: It has been raining all the morning2) 从38页课文中找出使用现在完成进行时的句子并理解其意义。
_____________________________________________________________________________________ _____________________________________________2. 用法归纳现在完成进行时的基本表达式_______ ______现在完成进行时表达的意义(一)表示从过去某时开始一直持续到_______的动作,并且还将持续下去。
The Chinese have been making paper for two thousand years.中国有2000年的造纸历史。
(动作还将继续下去)I have been learning English since three years ago.自从三年前以来我一直在学英语。
(动作还将继续下去)(二)表示在说话时刻之前到现在____________的动作。
We have been waiting for you for half an hour.我们已经等你半个钟头了(人还没到,如同在电话里说的,还会继续等) 3)注意事项(1) 不能用现在进行时的动词,如be, have, like, love, know, see, hear等,也不能用现在完成进行时里,而应用现在完成时。
例如:The poor child has been ill for a long time.译:___________________________________Have you seen her parents these days译:______________________________________探究二:现在完成进行时与现在进行时比较:现在完成进行时强调某动作从过去一直延续到现在;而现在进行时只指目前正发生的动作。
试比较:Susan has been reading that storybook since last night.译:_________________ _ _______Susan is reading a storybook now.译:___________________________________ _______(3) 现在完成进行时和现在完成时比较:1)有些动词(如:work, study, live, teach等)用现在完成进行时与现在完成时意思差不多。
试比较:The teacher has been teaching at this school for ten years.The teacher has taught at this school for ten years.2)英语中的多数动词在这两种时态中表示不同的含义。
现在完成时如果不带表示一段时间的状语,就只能表示动作的完成,而现在完成进行时则表示动作的延续。
试比较:They have built a new lab.他们建了一座新实验室。
(表示动作的完成)They have been building a new lab (these years).这些年他们一直在建一座新实验室。
(表示动作还在继续)探究三:例句呈现:have taught in the school since 1989.taught in the school in 1989.wrote a letter just now.have written a letter.同学们你能根据例句总结现在完成进行时和现在完成时的区别吗(学法指导:从重复性、持续性、感情色彩、时间状语等方面分析)_________________________________________________________________________________________________________________________________________________第三部分:训练案一:用所给动词的正确形式完成下列句子1. A: --- I am sorry I _________ (keep) you waiting so long.B: --- It is all right. I ________________ (read) the newspapers.2. The CCTV ____________________ (broadcast) English programmers ever since 1977._______ (feel) better when you __________ (take) the medicine.4. She said we __________ (may keep) the book as long as we _____ (like).5. Please wake me up if I ___ still _______ (sleep) when you _____ (come).6. My sister _______ (learn) English since she ____ (be) a child. She ___ (speak) English fluently now.7. My uncle ________ (come) to see us. He _______ (arrive) here a few days ago. I _________ (start) for Sydney tomorrow morning.8. He _____ (break) his glasses when he ___________ (play) in a football match.二:下列各句均有一处错误,请指出并改正。
The water has been run the whole night.2. Hello, Tom. I have looking for you all morning. Where have you been3. His cool expression suggested that he want to leave.4. He tried to harm other people, only to ruining himself.5. If only I can speak several foreign languages!6. We can all leave together —assumed that the others aren’t late.7. Paul is very tired. He had been working very hard all morning.三:语法填空It’s important for us to have good health. It can enable us to enjoy our life and achieve ___1___ we hope for in our career and ___2___ the contrary, poor health leads to nothing, ___3___ if we want to keep good health, we must do the following.Firstly, it is very important for us to have some fruit and vegetables ___4___ they can provide vitamins, and we have to keep a ___5___ (balance) diet. We should avoid eating food ___6___ high sugar and fat. Secondly, we’d better do some exercises every day to ___7___ (make) our body strong and alsowe have to avoid too much work ___8___ (press). Finally, we have to get rid of those bad habits ___9__ damage our health, such as drinking and smoking.In ___10___ (conclude), if we stick to the advice given above and keep a good mood, we will keep in good health.。