高一英语宾语从句公开课教案
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课题:Grammar:Objective clause
I. Teaching aims:
A.Knowledge aims
By the end of the lesson, Ss will have a better understanding of the objective clause.Then Ss will grasp the usage of introductory words: that、if、whether,what etc, the tense and word order, etc.
B. Ability aims
Enable students to identify what is the objective clause and learn to use different kinds of introductory words
C. Affection aims
Develop students’ interest of learning grammar.
II. Teaching important points
Explain the three important aspects of the objective clause: the introductory words, tense and sentence order. Besides, explain the usage of 3 introductory words:that, if, whether.,what,etc
III.Teaching difficult points
How to choose the introductory words correctly and appropriately in the objective clause
IV. Teaching methods
1.task-based teaching and learing
2.summarizing, practicing,discussing
Teaching tools:
The multimedia and other normal teaching tools
V. Teaching procedures
Step 1 Greetings as usual(1min)
Step 2 Lead-in (5mins)
1. Give students two sentences and ask them to find out the sentence constituents of
each sentence. Then ask them what is the objective clause and its structure and meaning.
1)I know him. 2)I know that he likes maths
Structure: . Meaning: .
2.Read the following sentences and try to underline the object clauses.
1.We wonder how we shall do .
2.I don’t know that it can be fake.
3.I worry about whether he can pass the exam.
4 Pay attention to what the doctor said.
Conclusion:
Step 3 Presentation (25mins)
1. Definition
(1)The usage of the introductory words: that, if and whether,what,etc.
A.that 的用法
.当宾语从句是陈述句是时,由连词that引导,that在句中无意义且不做任何成分,一般可以省略。
Eg.He is a student..He says 。
宾语从句中不能省略that 的情况:
1.当一个谓语动词带两个或两个以上由that引导的宾语从句时,只能省略第一
个that.
She said (that )she c ouldn’t tell me and that I couldn’t understand
2.在主+谓+it (形式宾语) +宾补+that的句型中不省略
We made it clear that we would not give in.
B.当宾语从句由一般疑问句转化而来时由if/whether引导。译为“是否”有意义但不做任何成分且不可省略。
Eg.Is he a student?I ask him .(陈述句语序)
在宾语从句中,if/whether可以互换,但在以下几种情况中if不能替换whether 1.与or/or not 连用2.后面跟不定式to.3.宾从在介词后4当宾语从句至于句首。
C.特殊疑问句作宾语,引导词用what, who, whom, where, why, when, how等,该词有意义并充当相应的句子成分。
Who is he?I don’t know.(陈述句语序)
【填空练习】
1) Will you tell me _______ I can keep healthy?
2) He told me _________ his father had died and _________ he had to make a living alone.
3) I don’t know _________ there will be a bus or not.
4) His mother is satisfied with______ he has done.
5) I want to know _____________ she is looking after.
6) We think it necessary _____ we take plenty of hot water every day.
(2)从句的语序宾语从句必须用陈述句语序其结构为:主句+连接词+从句(主+谓+其他成分)
1. When will he go to the library?
His brother asks when the library。
2. What did he want to buy ?
I don’t know what buy .
注意:
当what, who在宾语从句中作主语时,语序不变:
What’s wrong? What’s the matter?
What has happened?Who is in the classroom?
1)I don’t know_________________ .2) Can you tell me _______________
(3)宾语从句的时态
1)当主句是现在的某种时态时,从句根据需要可以用任何时态;
I know that he once______( live) here .
Please tell me what you ___________( do)at this time yesterday.
2)当主句是过去的某种时态时,从句要用过去的某种时态;
He asked whether his father___________(come)back tomorrow.
He said that he __________(see) it already
3)当从句是客观事实或真理时,从句需用一般现在时。
He told me the earth _______ (move)around the sun.
4)从句中有具体时间状语,即使从句动作发生在主句动作前,仍用一般过去式。The teacher told me she _____ (be)born in 1960.
I heard that he ____ (go)to Paris last night.