现在完成时讲解及练习(附答案)-名师精讲

现在完成时讲解及练习(附答案)-名师精讲

现在完成时

先看几个例句：

1. I have cleaned my room. 我已打扫了房间。

2. He hasn’t finished his homework. 他还没完成作业。

3. Have you read this novel ? 你看过这本小说吗？

: make--- hurry---watch---

swim--- be--- talk---

want--- study--- stop---

take--- see--- like---

二、用法：1.表示过去发生的某一动作对现在造成的影响或结果。

I have cleaned my room. 我已打扫了房间(房间现在是干净的，不需要打扫了)

They have left. --他们已经离开了,也就是说现在他们人不在这里

I have had my lunch.--我已经吃过午饭了,也就是说我现在不饿

2.表示过去已经开始, 持续到现在的动作或状态,

I have learnt English for more than ten years.我已经学了10多年的英语。

She has swum since half an hour ago.我已经游泳了半个小时

3表示人曾有过或到目前为止从未有过的经历.

I have never had a car (我从未有过汽车。)

I have been there twice.

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 _____(see) it?

He ______ it last week.

3. How many times _____you______(be) there?

三、标志词

◆常与①already, ②never, ③ever,

④just,

⑤yet, ⑥before, ⑦up to now,

⑧so far,

⑨for the last few weeks ⑾since ⑿for a

long time/for

标志词的区别

1.for +一段时间

Eg. I have been here for 5 weeks.

He’s studied English for 3 years.

2. since +(表示过去某一时间的)时间点/单词/词组/ 从句(一般过去时)

Eg. I have been here since 2000.

I have been here since 5 years ago.

I have been here since I graduated in 2000.

注2): 对for或since引导的时间状语提问必须用how long, 决不能用when.

How long have you lived here?

Eg. I have lived here for 10 years.

注3): 短暂性动词不能和for或since引导的时间状语连用, 当然也不能用于how long引导的问句中

Eg.(误)I have left there for 5 years.

(正)I have been away there for 5 years.

选用for和since填空:

1.We haven’t seen each other ______ a long time.

2.His father has been in the Party ______ 10 years ago.

3.The film has been on ______ 20 minutes.

4.Mr Green has worked here ______ he came to China.

5.His grandparents have been dead ______ several years.

6. It’s five years _______ we met last time.

a）already 往往用于肯定句，用在疑问句时表示强调或加强语气；yet 用于否定句和疑问句。

•He has already left here.

他已经离开这里了。

•Has he already left here?

他（真的）已经离开这里了吗？（表示加强语气）•My teachers haven’t had breakfast yet.

我的老师们还没有吃早饭。

•Have you written to your parents yet?

你已经给你父母写过信了吗？

b）never 是否定词，表示“从来没有”，而ever 表示“曾经”

•We have never been to the Great Wall.

我们从来没有去过长城。

•Have you ever been to Canada?

你们曾经去过加拿大吗？

c. just用于句中, 表示“刚刚”

Eg. I’ve just had breakfast.

What have they just done?

d. before在现在完成时中的用法

用于句末, 表示“以前”

Eg. I’ve seen it before.