现在完成时讲义及练习(共3页).doc

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1、精选优质文档-倾情为你奉上Grammar语法:simple present tense 现在完成时A表示过去发生或已经完成的某一动作对现在造成的影响或结果 I am doing my homework. I have done my homework.B表示动作或状态从过去某一时刻开始，一直延续到现在，而且可能还要继续下去。Ive known Alice for three years.现在完成时的构成：主语+have/has +动词的过去分词. I have done my homework.1.否定：have, has后面加not . I have not done my homework

2、.2.一般疑问句：have, has提到主语前 Have you done your homework?区别：has gone to:表示某人已去了某地，而没有回来(去了没回)has been to :表示去过某地(去过已回来)has been in/at(in表示相对大一些的地点;at表示相对小一些的地点):表示一直呆在某地,常与时间段搭配.since+时间点=for+时间段since+一般过去时态的时间状语从句=since+时间点+ago现在完成时往往同表示不确定的过去时间状语连用already(肯定句中)，yet(否定，疑问，句末)，just(刚刚), before(之前), recen

3、tly(最近), still, lately, never等:I have already finished my work.I havent finished my work yet.(否定句)Have you finished your work yet?(一般疑问句)动词过去式和过去分词的变化相同一般在动词词尾直接ed. 如：pick picked picked; wish wished wished; stay stayed stayedA-A-A: let let let; put put put; read read read, cutcutcutA-B-B: lend lent

4、lent; build built built; send sent sent buy bought bought; bring brought brought; A-B-C: choosechosechosen dodiddone seesawseen drinkdrankdrunk gowentgone taketooktakenA-B-A: runranrun comecamecome练习一.选择1. How long have you _ here? A. come B. got C. arrived D. been 2. My grandpa died _.A. at the age

5、 of my 2 B. for 2 years C. when I was 2. D. my age was 6.3. Jane has _ to BeiJing. She will come back tomorrow. A. been B. gone C. went D. never been4. It is ten years _ I last saw her. A. after B. since C. for D. that 5.-Who will go to the station to meet Lorry? -I will. I _ her several times. A. m

6、et B. have met C. had met D. will meet二.用所给词的适当形式填空1. I_ already _ (see) the film. I _ (see) it last week.2. _ he _ (finish) his work today? Not yet.3. My father _ just _ (come) back from work. He is tired now.4. Wheres Li Ming ? He _ (go) to the teachers office.5. I _ (work) here since I _ (move) h

7、ere in 1999.6. So far I _(make) quite a few friends here.7. How long _ the Wangs _(stay) here ? For two weeks.8. I _ just _ (finish) my homework.9. He _ (go) to school on foot every day.10._ you _ (find) your science book yet?11. If it _ (be) fine tomorrow, Ill go with you.12. The students _ (read)

8、English when the teacher came in. 13. Look! The monkey _ (climb) the tree.14. My mother _ (come) to see me next Sunday.15. Ive lost my pen. _ you _ (see) it anywhere?二对划线部分提问1. Nancy has broken the glass. _2. Maria and Jane have waited at the airport for two hours. _3.They have visited the Great Wall before._4. My brother has watched Prison Break three times . _5.The Hands have gone to Chongqing ._专心-专注-专业