现在完成时讲解(含讲解及习题)

现在完成时讲解(含讲解及习题)

现在完成时是表示过去某一动作对现在造成的影响或结果的一种时态。它的构成方式是：主语+助动词have/has+动词的

过去分词。过去分词的规则变化有四种情况，一般情况下直接加ed，以“辅音字母+y”结尾的动词把y变成i再加ed，以辅+

元+辅结尾且中读的动词要双写最后一个辅音字母再加ed，以

不发音的e结尾的动词只加d。过去分词不规则变化的情况需

要记忆。

现在完成时的用法是表示过去已经、曾经或从未发生的某一动作对现在造成的影响或结果。标志词包括already。never。ever。just。yet。before。once/twice/数字+times等。例如，I have XXX.表示我已经打扫了房间，房间现在是干净的，不需

要再打扫了。They have left.表示他们已经离开了，也就是说

现在他们人不在这里。I have never had a car表示我从未有过

汽车。I have been there XXX表示我去过那里两次。

标志词的使用有一些规则。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。

例如，He has already left here.表示他已经离开这里了。Has he already left here?表示他（真的）已经离开这里了吗？（表示加强语气）。XXX XXX.表示我的老师们还没有吃早饭。Have you written to your parents yet?表示你已经给你父母写过信了吗？

never是是否定词，表示“从来没有”，而XXX表示“曾经”。例如，We have never been to the Great Wall.表示我们从来没有

去过长城。Have you ever been to Canada?表示你们曾经去过加

拿大吗？

just用于句中，表示“刚刚”。

I have just finished breakfast。

What did they do recently。

Before can be used at the end of a sentence to mean "usly"。

I have XXX。

1.I have never seen him before。so I have no idea about him。

2.Jack has already finished XXX

3.--Have you ever seen the film。--No。I have never seen it。

4.---Has the bus left yet。---Yes。it has already left。

5.Would you like to go to the zoo with me。Yes。but I have already been there。

XXX difference een has gone to。has been to。and has been in:

gone to means someone went to a place and is still there。

Where is your father。

He has gone to Shanghai。

been to means someone went to a place and returned。and it is no longer there。+ Number of times。

XXX has been to Shanghai three times。

n: How many times has your father been to Shanghai。

been in means someone went to a place and is still there。+ Time d/ since + time point。

My father has been in Shanghai for two months/ since two months ago。

n: How long has your father been in Shanghai?

1.Have you ever been to Disneyland?

2.How many times have you been to Disneyland?

3.I have been in Nanjing since two years ago.

4.Mr。Li went to Hong Kong。And he'll come back in two days.

5.- How long have you been in Disneyland?

For three days。I went to the theme park last Sunday.

6.My father went to Hong Kong two weeks ago.

7.My father went to Hong Kong in 2005.

8.My father has been in Hong Kong since 2005.

9.XXX.

10.My father went to Hong Kong and he hasn't come back yet.

11.- Where's Lucy?

She has gone to a XXX.

12.Have you been to this park before?

13.I have only been there once this year.

14.She has gone to the shop to buy a XXX.

15.You're late。Lao Wang has gone to Guangzhou.

Rewritten:

1.Have you ever visited Disneyland before?

2.How many times have you been to Disneyland?

3.I have been living in Nanjing for two years now.