Lesson 126 Have to and do not need to不得不和不必要
一.Look,listen and repeat.
看图听录音，然后练习。
1
Do you have to go now?
Yes,I have to leave immediately.
2
Do you have to get up early tomorrow morning?Yes,I’ll have to get up at six o’clock.
3.Did you have to take a taxi?I’m afraid I had to.I couldn’t get a bus.
4.Hasn’t your friend arrived yet?How long have you had to wait?I’ve had to wait for two hours!
5.Do you have to water the garden?No,I don’t need to water it now.It’s going to rain.
6.Do we have to walk to the station?No,We don’t need to.We can catch a bus.
二.New words and expressions 生词和短语
immediately 立即地
三.Written exercises书面练习
A Write questions and answers.
模仿例句提问并写出相应的否定句。
Examples:
You have to leave early.
Do you have to leave early?
You don’t have to leave early.
She must leave early.
Must she leave early?
She needn’t leave early.
1.She has to decide immediately.
Does she have to decide immediately?
She doesn’t have to decide immediately?
2.She must decide immediately.
Must she decide immediately?
She needn’t decide immediately.
3.We have to take a taxi.
Do we have to take a taxi?
We don’t have to take a taxi.
4.We must take a taxi.
Must we take a taxi?
We needn’t take a taxi.
B Answer these questions.
用have to或has to回答问题。
Example:
I must go now.What about you?
I have to go,too.
1.I must telephone him.What about you?
I have to telephone him,too.
2.I must wait for him.What about Mary?
Mary has to wait for him, too.
3.I must meet her.What about Jim?
Jim has to meet her, too.
4.I must travel by ship.What about Tom and Mary?
Tom and Mary have to travel by ship,too.
C Write questions.
模仿例句改写句子。
Example:
I must go now.
Do you really have to go now?
1.I must telephone him.
Do you really have to telephone him?
2.Mary must wait for him.
Does Mary really have to wait for him?
3.Jim must meet her.
Does Jim really have to meet her?
4.Tom and Mary must travel by ship.
Do Tom and Mary have to travel by ship?
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