一，现在完成时的用法
1、过去某时发生的动作到目前为止这个动作已经完成或刚刚完成。
如：
1) I have finished my homework.
我做完家庭作业了。
2) He has already come
他已经来了。
2. 表示动作发生在过去并延续到现在。
如：I Have studied English for six years.
我已经学了六年英语了。
注意：
1) 当表示一段时间，现在完成时可以用for 或since引导的状语。
例如：I‘ve known Li Li for 4 years.我认识丽丽已经4年了。
2) 当在肯定陈述句中含有already或just 时，在转换成否定句时，要把句中的already 或just 去掉，在句末加上yet.。
例如：I have already seen the film. ------ I haven’t seen the film yet.
二、现在完成时使用时注意事项1.“have/ has got “ 形式上是一种完成时，但和have/ has 为同一意思”有“。
如：Have you got pen-friends？Yes， I have.
你有笔友吗？是的，我有。
2.have/has gone to 、have/has been to 和have/has been in的区别have/ has gone to 去了，在去某地的路上或在某地，人还未回来
have/ has been to 曾经去过，人已经回来了
have/ has been in 已经在，常与一段时间连用
3. have/ has been to常和once， twice， never， ever连用；have/ has gone to则不可。
例如：─ Has Tom ever been to Paris？
汤姆去过巴黎吗？
4.非延续性动词不能用“现在完成时 表示一段时间的状语”的句型中。这类动词有：come， go， start， leave， die， buy， finish， join， borrow， stop等。它们能够用表示持续状态的相应的延续性动词替换句中的非延续性性动词。
三、现在完成时语法专项练习
Exercise: 用since和for填空
1. Jim has been in Ireland ______ Monday. 2. Jill has been in Ireland ______ three days. 3. His aunt has lived in Australia ______15 days.
4. Mary is in her office. She has been there ______ 7 o'clock.
5. India has been an independent country ______1974.
6. The bus is late. They've been waiting ______ 20 minutes.
7. Nobody lives in those houses. They have been empty ______ many years.
8. Mike has been ill ______a long time. He has been in hospital ______ October.
2）表示短暂意义的动词如arrive, leave, borrow, buy, begin, start, die等，在完成时当中不能和表示一段时间的状语连用，因为它们表示的动作不可能持续。因此，不能说：
He has come here for 2 weeks. ×
The old man has died for 4 months. ×
They have left only for 5 minutes. ×
以上三句话可以改为：
He has been here for 2 weeks.
The old man has ______ _______ for 4 months.
They have _____ _____ only for 5 minutes 2）have (has) been 和have (has) gone的区别：表示“曾到过某地”要用 “have (has) been”; 表示“已经去某地”要用 “have (has) gone”。试比较：
Where has he been? 他刚才到哪里去了？（已经回来了） Where has he gone? 他上哪儿去了？（人不在） They have been to Canada. 他们到过加拿大。（现在已经不在加拿大） They have gone to Canada. 他们到加拿大去了。（可能在路上和已经到加拿大）.
3）现在完成时不能和表示过去的时间状语连用，如yesterday, last year, in 1976, two days ago, just now, when I came in，但可以和already, yet, sometimes, always, often, before, lately, recently, once, twice, ever, never等连用。例如：
She has already come. 她已经来了。
I haven’t read it yet. 我还没读过这个。
I have met him before. 我从前曾见过他。
Ma Hong has always been a good student. 马红一直是个好学生。
I have often seen him in the street. 我经常在街上看见他。
They have never been to Yan’an. 他们从未去过延安。
I haven't seen him lately. 我近来没看到他。
Exercise:I. Fill in the blanks with the proper form.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. Where’s Li Ming ? He __________ (go) to the teacher’s office.
5. I __________ (work) here since I ______ (move) here 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, I'll go with you.
12. The students ____________ (read) English when the teacher came in.
13. Look! The monkey __________ (climb) the tree.
14. My mother __________ (come) to see me next Sunday.
15. I've lost my pen. _________ you ________ (see) it anywhere?
II. Choose the best answer.1. How long have you _______ here?
A. come B. got C. arrived D. been
2. My grandpa died _________.
A. at the age 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 been
4. 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. met B. have met C. had met D. will meet
6. --What a nice dress! How long _____ you _____ it? --Just 2 weeks.
A. will, buy B. did, buy C. are, having D. have, had
7.--Do you know Lydia very well?
--Yes, She and I _____ friends since we were very young.
A. have made B. have become C. have been D. have turned
8. The Smiths _______ in China for 8 years.
A. has lived B. lived C. have been D. live
9. --Hello, this is Mr. Green speaking. Can I speak to Mr. Black?
-- Sorry. He ______ the Bainiao Park.
A. has been to B. has gone to C. went to D. will go to
10. --____ you ever ____ to the US?
-- Yes, twice.
A. Have, gone B. Have, been C, Do, go D. were, going
III. Rewrite the sentences.1. I have been to Macau before. (改为否定句)
I _________ _________ been to Macau before.
2. 就划线部分提问) ______ _______ he come to school?
3. I bough a new bike just now. (用just改写) I ____ just ____ a new bike.
4. We began to learn English three years ago.(改为同义句)
We ____ ____English ____three years
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现在完成时时态讲解及练习题现在完成时
（1）构成：现在完成时由助动词have 过去分词构成，助动词have 有人称和数的变化。第三人称单数用has，其余用have.
现在完成时的否定式直接在助动词后面加上not、疑问式是把助动词提到主语之前。以study 为例，其否定式、疑问式和简单回答形式如下：
（2）用法：
1）现在完成时通常表示在或存在的状态。说话人强调的是该动作或状态对现在的结果或影响。
My daughter has just gone out. 我女儿刚出去。
I’m sure we’ve met before. 我肯定我们以前见过面。
She has arrived. 她到了。
2）表示持续到现在的动作或状态，往往和包括现在在内的表示一段时间的状语连用，如recently, already, just, lately, for…, since…,yet等。如：
I haven’t heard from her these days. 这些日子我没有收到她的信。
We haven’t seen you recently. 最近我们没有见到你。
They have been away for two years. 他们离开已经两年了。
She has been with us since Monday.
注意：
a) since和for的区别since后接时间点，如1993，last term, yesterday, the time I got there
for后接一段时间，表示“长达多久”，如ten years, a while, two days等。
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Exercise: 用since和for填空1. Jim has been in Ireland ______ Monday.
2. Jill has been in Ireland ______ three days.
3. His aunt has lived in Australia ______15 days.
4. Mary is in her office. She has been there ______ 7 o'clock.
5. India has been an independent country ______1974.
6. The bus is late. They've been waiting ______ 20 minutes.
7. Nobody lives in those houses. They have been empty ______ many years.
8. Mike has been ill ______a long time. He has been in hospital ______ October.
2）表示短暂意义的动词如arrive, leave, borrow, buy, begin, start, die等，在完成时当中不能和表示一段时间的状语连用，因为它们表示的动作不可能持续。因此，不能说：
He has come here for 2 weeks. ×
The old man has died for 4 months. ×
They have left only for 5 minutes. ×
以上三句话可以改为：
He has been here for 2 weeks.
The old man has ______ _______ for 4 months.
They have _____ _____ only for 5 minutes
2）have (has) been 和have (has) gone的区别：表示“曾到过某地”要用 “have (has) been”; 表示“已经去某地”要用 “have (has) gone”。试比较：Where has he been? 他刚才到哪里去了？（已经回来了）
Where has he gone? 他上哪儿去了？（人不在）
They have been to Canada. 他们到过加拿大。（现在已经不在加拿大）
They have gone to Canada. 他们到加拿大去了。（可能在路上和已经到加拿大）.
3）现在完成时不能和表示过去的时间状语连用，如yesterday, last year, in 1976, two days ago, just now, when I came in，但可以和already, yet, sometimes, always, often, before, lately, recently, once, twice, ever, never等连用。例如：
She has already come. 她已经来了。
I haven’t read it yet. 我还没读过这个。
I have met him before. 我从前曾见过他。
Ma Hong has always been a good student. 马红一直是个好学生。
I have often seen him in the street. 我经常在街上看见他。
They have never been to Yan’an. 他们从未去过延安。
I haven't seen him lately. 我近来没看到他。
Exercise:一、用括号内动词的正确形式填空 I. Fill in the blanks with the proper form.
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. Where’s Li Ming ? He __________ (go) to the teacher’s office.
5. I __________ (work) here since I ______ (move) here 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, I'll go with you.
12. The students ____________ (read) English when the teacher came in.
13. Look! The monkey __________ (climb) the tree.
14. My mother __________ (come) to see me next Sunday. 15. I've lost my pen. _________ you ________ (see) it anywhere?
1. have, seen, saw 2. Has, finished 3. has, come 4. has gone 5. have worked, moved 6. have made 7. have, stayed 8. have, finished 9. goes 10. have, found 11. is 12. were reading 13. is climbing 14. is coming 15. Have, seen
二、选择最佳答案1. How long have you _______ here?
A. come B. got C. arrived D. been
2. My grandpa died _________.
A. at the age 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 been
4. It is ten years _____ I last saw her.
A. after B. since C. for D. that初中现在完成时专练。
5.--Who will go to the station to meet Lorry?
--I will. I _____ her several times.
A. met B. have met C. had met D. will meet
6. --What a nice dress! How long _____ you _____ it?
--Just 2 weeks.
A. will, buy B. did, buy C. are, having D. have, had
7.--Do you know Lydia very well? --Yes, She and I _____ friends since we were very young.
A. have made B. have become C. have been D. have turned
8. The Smiths _______ in China for 8 years.
A. has lived B. lived C. have been D. live
9. --Hello, this is Mr. Green speaking. Can I speak to Mr. Black?初中现在完成时专练。
A. has been to B. has gone to C. went to D. will go to
10. --____ you ever ____ to the US?
-- Yes, twice.
A. Have, gone B. Have, been C, Do, go D. were, going
三、按要求完成下列句子.1. I have been to Macau before. (改为否定句)
I _________ _________ been to Macau before.
2. He hasn’t come to school 就划线部分提问)
______ _______ he come to school?
3. I bough a new bike just now. (用just改写)
I ____ just ____ a new bike.
4. We began to learn English three years ago.(改为同义句)
We ____ ____English ____three years
5. He has never surfed, _______ _______? （改成反意疑问句） (对划线部分提问) _______ _______have they been here?
7. The old man _________ last year. He has _______ _______for a year. (die)
8. Miss Gao left an hour ago. (同义句转换)
Miss Gao has _______ ________ ________ an hour ago.
Ask the questions（提问题）：1) I have been there（ for two days）.
__________ _________ __________ you __________ __________?
2) My father has lived here（ since 2000）.
_________ _________ __________ your father _________ __________?
3）__________ ___________ they __________ a book?
（动词填空）Use “never, ever, already, just, yet, for, since” to fill in the blanks.1. I have _______ seen him before, so I have no idea about him.
2. Jack has _________ finished his homework.
3. Mr. Wang has taught in this school ________ ten years.
4. “Have you ________ seen the film?” “No, I have ________ seen it.”
5. “Has the bus left _______?” “Yes, it has _________ left.”
用适当的时态填空：1.She’s _____________ (live) here ever since she was ten.
2.Both of them ________________ (be) in Hongkong for ten days.
3.Both of them ____________ (come) to Hongkong ten days ago.
4. Half an hour __________ (pass) since the train __________ (leave).
5. Mary________(lose) her pen. ________ you _______(see) it here and there?
6. _________ you _____ (find) your watch yet?
7. ---Are you thirsty?
---No I _____just _____ (have) some orange.
8. We _____already _____ (return) the book.
9. ________ they _______ (build) a new school in the village?
10. I ______(not finish) my homework . Can you help me?
11. My father _____ (read) the novel twice.
12. I _________ (buy) a book just now.
13. I _________ (lost ) my watch yesterday.
14. My father ___________ (read) this book since yesterday.
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