内容正文:
中考英语
现在完成时
1
2
3
4
现在 将来
过去 过去将来
5
l 一般现在时
l 现在进行时
l 一般将来时
l 现在完成时
l 将来完成时
l 一般过去时
l 过去进行时
l 过去将来时
l 过去完成时
l 过去将来完成时
6
雨已经停了。
他已经在这里住十年了。
她吃过早饭了。
现在完成时
7
构成 have/has done
规则动词的过去分词和它的过
去式相同;不规则动词的过去
分词需要特殊记住。
I have learned English for three years.
Has she come back yet?
They haven't finished the work.
8
基本
用法
表示一个动作发生在过去,到现在已经完成了,并对
现在造成了一定影响。
过去 现在
---Would you like some bread?
---No, thanks. I have had my breakfast.
(对现在的影响:不饿)
表示一个动作从过去某个时间点开始,延续到现在,
并可能继续延续下去(谓语动词要用延续性动词)。
过去 现在
She has worked here for over twenty years.
9
时间状语
与副词already和yet连用。already一般用
于肯定句中,yet一般用于否定句和疑问句中。
We have already finished our homework.
They haven't finished their homework yet.
与ever “曾经”和never“从未”连用。它
们多用于否定或疑问句中。
Have you ever been to the Great Wall?
I have never been to Beijing.
10
与表示到说话为止的过去时间状语连用,如just(刚才),
before(之前), up to now(到目前为止), so far
(到现在为止), until now(直到现在),
in the past/last few years(在过去的几年里)等
I have seen her before, but I can not remember where.
He has been there three time