现在完成时的用法和构成总结

现在完成时的构成和用法

❖ 1.概念：过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。

❖ 2.时间状语：yet,already,just,never,ever,so far,by now,since+时间点，for+时间段，recently, lately, in the past few years, etc.

❖ 3.基本结构：主语+have/has +p.p（过去分词）+其他

❖ 4.否定形式：主语+have/has + not +p.p（过去分词）+其他

❖ 5.一般疑问句：Have / Has + 主语+ 过去分词+ 其他

❖ 6. 特殊疑问句：（疑问词+）Have / Has + 主语+ 过去分词+ 其他？

❖7.例句：I've written an article.

The countryside has changed a lot in the past few years.

❖8.have been 与have gone 的用法比较

have been to a place 意思是“到过，去过”，表示曾经到过某处，但现在人不在那儿。have gone to 意思是“去了”，表示已经去了某地，现在人可能在去的途中或已在那儿了。

Has she ever been to Nanjing? 她曾去过南京吗？

You have never been there, have you? 你以前从未去过那儿，是吗？

I have been to Guiling ,I went there last year. 我去过桂林，我去年去的。She has gone to Nanjing. 她已经去南京了。

现在完成时专项练习

一．单项选择。

1.–Where is Mr. Liu? -----He _______the library.

A. has been to

B. has gone to

C. has been in

2.The students have cleaned the classroom, ________?

A. so they

B. don’t they

C. have they

D. haven’t they

3.I like Hainan. I ________there three times.

A. went

B. go

C. have been

D. have gone

4.We came to Nanjing three years ago, so we ________ here for three years.

A. have been to

B. have been in

C. have been

D. have gone

5. - How long ______you_______ your dictionary? - About two months.

A. did; buy

B. have; get

C. have; had

D. have; bought

6.He tells me he________ China for over five years. A. has been

B. has been in

C. has been to

D. has gone to

7.______has Mr White been a member of Greener China since he

_______ to China?

A.How soon, comes

B. How often, got

C. How long, came

D. How far, arrived

8.His uncle________ for more than 9 years.

A.has come here

B. has started to work

C. has lived there

D. has left the

university

二、按要求改写句子。

9.He has never surfed, __________(改成反意疑问句）?

10.They have been here since 2000 . (对划线部分提问) __________ have they been here?

11.The old man _________last year. He________ for a year.(die)

12.This factory opened twenty years ago.(改写句子，句意不变) This factory _________ for twenty years.

13.Miss Gao left an hour ago. （改写句子，句意不变）Miss Gao___________ an __________hour ago.

14.The Green Family moved to France two years ago. （改写句子，句意不变）_________ two years________ the Green family moved to France.

15.The bus has arrived here. It arrived ten minutes ago. （改写句子，句意不变）_____________________________________________.

三、动词填空：

1._____ you ________(clean) the room? Yes, we __________(do) that already. When _______ you ______(do) it? We _______(do) it an hour ago.

2.______ he ______(see) this film yet? Yes. When _____ he