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师梦圆初中英语教材同步人教版八年级下册Section A Grammar focus 4a—4c下载详情
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官邸

He visited the White House on October 03,2015.

Have you ever heard of Andy Murray?

Have you ever been to the White House?

Andy Murray?is a British tennis?player currently ranked?world No. 1.?

The?White House?is the?official residence?and workplace of the?President of the United States

Simple past tense一般过去时

Present perfect tense现在完成时

Simple present tense一般现在时

Simple past tense一般过去时

Present perfect tense现在完成时

VS

一般过去时用来表示________某一特定时间发生的事情或动作,因此,句中常有表示过去某一时刻的短语。请注意以下句子中斜体的表示时间的短语。

I wrote to him last month.

I bought this car last year.

He came to see me this morning.

I saw him ten minutes ago.

过去

现在完成时用来表示发生在_______但对________仍有影响的一个动作。在现在完成时的句子中常有一些表示时间的词和短语。请注意一下句子中斜体的时间状语

The train has just left the station.

I’ve already seen that film.

He has been abroad for six months.

Have you ever met him before?

I have never met him before.

I have not finished work yet.

There have been a great number of accidents lately.

Up till now he has won five prizes.

They have been to Beijing twice.

过去

现在

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