Unit 5 First Aid grammar
定义：为了避免重复,省 去句中的一个或几个成 分,这种现象称为省略.
1. 在I’m afraid, I think, I believe, I hope, I guess等开头的作答句中，后面跟so 与 not 分别用于代表肯定或否定的that从句。 --Do y
ou think it will rain? --I hope not. (= I hope that it will not rain.) -- Did you lose? -- I’m afraid so. (= I’m afraid that I lost.) -- Is that Peter? -- No, don’t think so /I think not.(=I don’t think that it is Peter.)
2.不定式后的省略： A: Would you like to come to the party? B: I’d love to (come to the party). The boy wanted to go out ,but his mother told him not to. A. Did you go to the party last night? would like to have （我本来想去 B. No, I_________________ 的）,but I was too busy. A. Are you a teacher ? but I used to be. (但曾经是） B. No, _________________ He doesn’t like fish now,(但曾经喜欢）
but he used to.
3.状语从句中的省略 You must study hard while (you are) young, or you will regret when (you are) old. I won’t go unless (I am) invited. While (I was) waiting, I was reading some magazines. Look out for cars when (you are) crossing the streets. If (it is) carefully done, the experiment will be successful. You can come to me whenever (it is) possible. 归纳： 1.主从句中的主语一致时省略掉从句中的主 _______________________________________ _______________________________________ 语和助动词或系动词。 2.从句中主、谓语为it is 时，省掉it is.
What a good boy (he is)! How clever a girl (she is)! How (fast) time flies! How (hard) he works!
How (much) I regret!
How nice (it is) of you to help me!
定语从句中的省略： The first book (that) I read this term was more interesting than the second. Tom (whom) you saw yesterday fell ill.( whom可以省) Tom, whom you saw yesterday ,fell ill. ( whom不可以省)
1)----Tomorrow is a holiday. Why are you doing your homework? -----I am doing these exercises now so that I won’t have _____ on Sunday. A. it B. them C. for D. to 2)----Shall I invite Ann to my birthday party tomorrow evening? ----Yes. It’ll be fine if you______. A. are B. can C. invite D. do 3)---- Aren’t you the manager? ---- No, and I______ A. don’t want to B. don’t want to be C. don’t want be D. don’t want
Choose the best answers.
4)---I’ll be away on a business trip. Would you mind looking after my cat? ---Not at all______. A. I’ve no time B. I’d rather not C. I’d like it D. I’d be glad to 5)---- Won’t you have another try?---- ___. A.Yes, I will have B. Yes, I won’t have C. Yes, I won’t D. Yes, I will 6)-----I won’t do it any more.-----_______? A. Why not B. Why don’t do any more C. Why not do D. Why don’t
7)----Do you think it will snow tomorrow? ----______? A.I don’t think B. No, I don’t think C. I don’t think so D. No, I don’t so 8)----Have you fed the cat? ----No, but______. A. I’m B. I am C. I’m just going D. I’m just going
9.Tom wanted to play football with his friends in the street, but his father told A A. not to B. not to do him_____. C. not do it D. do not to 10.—Do you think Jack is going to watch a A football match this weekend? —_____. A．I believe not B．I believe not so C．I don’t believe it D．I don't believe 11. Father advised me not to say anything C until_____at the meeting. A．asking B．to ask C．asked D．ask
12. —He hasn’t gone to the office up to now. —Well, he_____. D A．should B．ought to C．ought to go D．ought to have 13.—The war is very likely to break out in the near future. —I_____ D ，if the situation goes as it is. A．hope so B．hope not C．am afraid not D．am afraid so 14. ___he come, the problem would be settled. B A．Would B．Should C．Shall D．If 15. _____, C I will help you with your work. A．If am possible B．If it possible
16.—How are you getting on with your work? —Oh, I’m sorry. Things aren’t going C so well as_____. A．plans B．planning C．planned D．to plan 17.—Are you a Bvolunteer now? —No, but I _____. I worked for the City Sports Meeting last year. A．used to B．used to be