2014年秋人教版九年级英语第十单元语法知识(be supposed to do)

第十单元语法知识 be supposed to do sth 的用法：

be supposed to do sth = should do sth = be expected to do sth (译为“应该做某事”） 人称，时态和句式的变化在be动词上体现

（注意：be expected to do sth还可以表示为“被期待做某事”， 根据句意翻译） 1、肯定句：

eg: I am supposed to look after my sister. He is supposed to work hard. They are supposed to sleep at nine.

2、否定句：

eg: I am not supposed to look after my sister. He isn’t supposed to work hard. They aren’t supposed to sleep at nine.

3、一般疑问句：

eg: Are you supposed to look after your sister? Is he supposed to work hard? Are they supposed to sleep at nine?

4、特殊疑问句：

eg: What are you supposed to do? What is he supposed to do? What are they supposed to do ?

Yes, I am. No, I am not. Yes, he is. No, he isn’t. Yes, they are. No, they aren’t. 用法：

1）be supposed to do sth: 当主语是人时，译为“应该做某事”，可以用来表示劝告、建议、义务、责任等

eg: You aren’t supposed to play football in the classroom.

2) 当be supposed to do sth 的主语是物时，表示“本应该做某事”，用来表示“某事本应该发生而没有发生”

eg: The train was supposed to arrive half an hour ago. (火车本该在半小时前到，但是没到）

3) be supposed to +have+过去分词：主语为人时， 译为“本应该做某事而没有做”，含有责备，失望之意

eg: He is supposed to have arrived an hour ago. (他本应该一小时前就到了，含有责备之意）

1. People in China are supposed to shake hands when they meet their friends. (提问）

__________ _________ people in China _________ __________ _________ when they meet their friends? 1. She is supposed to arrive at 7a.m. （一般疑问句）

_____________ she _____________ ____________ arrive at 7a.m.?

2. 你不应该在这里打电话。 You are ____________ _____________ ____________ make a call here. 3. 人们不可以在这里抽烟。 People __________ ___________ ______________ _________ smoke here. 4. 我在晚饭餐桌上犯了一个错误，我应该问问你该怎么办的。

I made a mistake at the dinner table. I should have asked you what I _________ _______ ________ ________. 5. You should greet your classmates by saying “ Hello”. （同义句）

You ___________ ____________ _____________ greet your classmates by saying “ Hello”. 6. What are you supposed to do? Do you know? （合并为宾语从句）

Do you know _____________ ____________ ______________ ______________ to do? 7. You were supposed to win the game. （否定）

You ________________ ________________ __________________ to win the game. 8. You should come here on time next time. （同义句）

You _______________ ______________ ________-______ come here on time next time. 9. My parents suppose me to be a sportsman. （被动语态）

I ___________ _____________ _____________ ____________ sportsman ________ _______ ________. 10. English can be spoken by a lot of people in China now.（主动语态）

A lot of people in China ______________ ______________ ________________ now. 11. Did he break the window yesterday? （被动语态）

_____________ the window _____________ _____________ _______________ yesterday?

12. 晚上你应该在九点睡觉吗？ ____________ you ____________ _____________ _________ at nine? 13. 在周末你应该做什么？ ___________ ___________ you __________ ________ _______ on weekends? 14. 她应该准时到这儿。 She ___________ _____________ _____________ ________ here on time.

15. 你不应该在公共场合吸烟。You _____________ ____________ ___________ _______ in public places.

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