新目标七年级英语时态汇总
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新目标七年级英语时态汇总
作者:佚名文章来源:网络点击数:142 更新时间:2013-2-5 0:02:29
一般现在时
【定义】
一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作。即描述我们日常生活中的衣食住行等活动。
【用法】(1) 在实际应用中,一般现在时常与以下时间状语联用:
always, usually, often, sometimes, every week (day, year, month, once a week, on Sundays ……
例句:He usually plays football on Sundays.
(2)没有时间状语,可以分以下四种类型:A.be型
这一类型由be动词+名词、形容词、副词、代词、数词或介词短语等一起构成谓语,表示主语的个性、特征或状态。如:
①I am a student.(主语+be动词+名词) ②They are hungry.(主语+be动词+形容词)
③He is out.(主语+be动词+副词) ④That pen is mine.(主语+be动词+代词)
⑤I am fifteen.(主语+be动词+数词) ⑥The bike is under the tree.(主语+be动词+介词短语)
B.do型
do型由行为动词充当谓语,表示经常性或习惯性的动作,其构成为“主语+动词原形或动词第三人称单数形式”。如:①I know it. ②He believes me.
C.there be型
there be型句子表示“某地存在…”,其构成为“there be+主语+其他”,表示客观事实。用法遵循“就近原则”,即主语是单数或并列主语中的第一个主语是单数,则用there is;主语是复数或并列主语中的第一个主语是复数,则用there are。如:
(1)There is an eraser on the teacher's desk.(主语an eraser是单数)
(2)There is an orange,five apples and eight bananas in the bag.(并列主语中的第一个主语an orange是单数)
D.情态动词型
情态动词型句子的构成为“主语+情态动词+动词原形”,情态动词和动词原形一起构成谓语,表示说话人对所叙述的动作或状态的看法。如:
①He can speak a little English.(can+speak)
②May I have a book, please?(may+have)
练习】
一般过去时
【定义】
一般过去时表示过去某个时间发生过了的动作或存在过的状态。即描述已经发生过了的事情。
【时间标志性词】 yesterday,the day before yesterday, in 2010, (three days) ago, last (night, month, year, weekend), just now, 另一般过去时也表示经常或反复发生的动作,常和often, always等表示频率的时间状语连用。例如: I always went to school on foot last year. 去年我通常走路去上学。
【用法】
A.be型这一类型由be动词(was和were)+名词、形容词、副词、代词、数词或介词短语等一起构成谓语,表示主语以前或过去的个性、特征或状态。如:
①I was a student ten years ago.(主语+be动词+名词) ②They were hungry just now.(主语+be动词+形容词)③The bike was under the tree yesterday.(主语+be动词+介词短语)④It was rainy last Sunday. ⑤They were very happy at Kangkang’s birthday party.
B.did型did型由行为动词过去式充当谓语,表示以前做过的某事,其构成为“主语+动词过去式动词”。如:①I knew him when I was young. ②He believed me at that time .
C.there be(was/were)型
there be型句子表示“某地曾经存在…”,其构成为“there be(was/were)+主语 +其他”。用法遵循“就近原则”,
D.情态动词型情态动词型句子的构成为“主语+情态动词过去式could+动词原形”,情态动词过去式和动词原形一起构成谓语,表示主语过去或曾经能做的事情。如:
①He could speak a little English last year.(could+speak)
②What could she do when he was ten.
【练习】一、用所给词的适当形式填空。(Be动词)
1. I __________(be) a little girl at that time.
2. When __________(be) you born?
3. Maria __________(be) born in Cuba.
4. The weather yesterday __________(be) very cold.
5. They __________(be) very happy at Kangkang’s birthday party yesterday.
6. What __________(be) the date the day before yesterday?
7. __________(be) you at home a moment ago?