八年级下期unit8及现在完成时练习.doc

1、Unit 8 一)现在完成时1.过去某一时间点发生的动作对现在产生影响。2.过去某一时间点发生的动作持续 到现在或还将持续下去。二)基本结构have / has + done 三)关键词1. already 用于肯定句，yet 用于疑问句和否定句中A: _ your brother _ his homework yet? (finish) B: Yes, hes already done it.2. ever 曾经 用于疑问句中 never 从不 带有否定意义A: _ you ever _ to the park? ( be ) B: No, never. 3. just 刚刚(与现在完成时连

2、用) 一般置句中 just now 刚才 与一般过去时连用I _ just _ the desk, you can take it to your classroom . (mend )4. since +过去时间或有一般过去时的句子Tom _ in the factory since he left school ten years ago. (work )5. for + 一段时间A: How long _ you _ in this school? (teach )B: For 6 years. 6. so far We _ only _ 100 trees so far. (plant

3、 ) 四)短暂性动词转换成延续性动词buy- have/has had leave-have/has been away borrow - have/has kept begin -have/has been on finish-have/has been over die -have/has been dead join-have/has been in come to / go to / get to - have/has been in五)have gone to 去了某还没回来不与只用于第三人称have been to 去过某地已经回来常与ever, never, once, twic

4、e连用 have been in一直留在某地与for / since连用how long 提问一、 用所给词的适当形式填空1. I already (finish) doing the work.2. she (see) the movie So Young yet?3. They just (decide) to go to Beidaihe on vacation.4. Jack (read) Robinson Crusoe before?5. - Mr Black (leave) Tianjin? - No, not yet.6. _ you _(be) to Hong Kong ? Y

5、es, I _ (be) there twice .7. He _ just _ (finish) his homework.8. _ each of you _(read) Gone with the wind yet?9. They _ ever _ (eat) fish and chips.10. I _ just _ (lose) my science book.11. Has Tom _ (finish) his work?12. I have already _ (read) this book。13. I (tell) him about it two days ago, but

6、 he (not decide) what to do yet.14. Mr. Brown (teach) her French for a month, but she still cant speak French well.15. The singer (become) famous last year and he (have) several concerts since then.16. - When they (leave) Guangzhou?-This morning. They (be) away for about three hours.17. We (get) to

7、London yesterday, but we (not start) to work yet.18. What time did you (actual) leave?19. They didnt achieve great (succeed) in life.20. The foreign visitors will travel in some (south) states of the USA.21. Wow! The house is always full of (laugh).22. The rich man gave away (million) of dollars to

8、those poor areas.23. My sister likes winter very much because of the _ (beautiful) of the snow.24. Dictionary is _ (use) among all the learning tools.二、单选1、Both his parents look sad . Maybe they _what happened to him . knew . have known . must know . will know2、He has _ been to Shanghai , has he ? .

9、 already . never .ever . Still3、Have you met Mr. Li _？. just . ago .before . a moment ago4、The famous writer _ one new book in the past two years . is writing .was writing .wrote . has written5、- Our country _ a lot so far . - Yes . I hope it will be even _ . has changed ; well . changed ; good . ha

10、s changed ; better . changed ; better6、Zhao Lan _already _in this school for two years . was ; studying . will ; study . has ; studied . are ; studying7、We _ Xiao Li since she was a little girl . know . had known . have known . Knew8、Harry Potter is a very nice film .I_ it twice . will see . have se

11、en . Saw .see9、-These farmers have been to the United States . -Really ? When _ there ?. will they go . did they go . do they go . have they gone 10、-_ you _ your homework yet ? -Yes . I_ it a moment ago . Did ; do ; finished . Have ; done ; finished . Have ; done ; have finished . will ; do ; finis

12、h11、His father _ the Party since 1978 . joined . has joined . was in . has been in12、-Do you know him well ? -Sure .We _ friends since ten years ago . were . have been . have become . have made13、- How long have you _ here ? - About two months . been . gone . come . arrived14、Hurry up! The play _ for ten minutes . has begun . had begun . has been on . began15、 It _ ten years since he left the army . . is . has . will . was16、Miss Green isnt in the office . she_ to the library .