He has done some washing yesterday. (F) He did some washing yesterday. (T) 他昨天洗衣服了。
(8)过去将来进行时
should(would)+be+现在分词
He said that he would be working for us.=He said that he would work for us.
与现在完成的用法相同,只不过作为衡量基准点的时间点不同,现在完成时以现在作为衡量的基准点,而过去完成时则以过去某个时刻作为基准点。
(1)表示在过去某一时刻或动作之前完成了的动作,即“过去的过去”,常by, before引导的时间状语连用。如:
By the time he was ten, Edison had built a lab for himself.
到爱迪生10岁时,他已给自己建了一个实验室。
He had measured me before I could get in a word.我还没说话,他已把衣服量完了。
We had scarcely reached the school before it began to rain.
我们刚到学校天就下雨了。
(2)表示由过去某一时间开始,一直延续到过去另一时间的动作或状态。常与for和since引导的时间状语相连用。
She said she had worked in that hospital for 20 years.她说她已在那所医院工作20年了。
He said he had taught in the university since 1957.他说自从1957年他就在这所大学任教。(3)叙述过去发生的事情后,反过来又追叙或补述更早以前发生的动作时,常用过去完成时。 I knew nothing about this matter, for I had been away for six month.
对于此事我一无所知,因为我已离开6个月了。
Some people ran into the street. They had heard a loud noise.
有些人跑上了街,他们听到很响的嘈杂声。
现在完成时
状态。
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
2.时间状语:recently, lately, since…for…,in the past few years, etc.
3.基本结构:have/has + done
4.否定形式:have/has + not +done.
5.一般疑问句:have或has。
6.例句:I've written an article.
The countryside has changed a lot in the past few years.
基本结构:主语+have/has+过去分词(done) ①肯定句:主语+have/has+过去分词+其他 ②否定句:主语+have/has+not+过去分词+其他
③一般疑问句:Have/Has+主语+过去分词+其他
④特殊疑问句:特殊疑问词+一般疑问句(have/has+主语+过去分词+其他\\
He has worked for us for ten years.
Has he worked for us for ten years.
3.现在完成时(表示过去发生的动作对现在产生的影响或结果、表示从过去一直延续到现在的动作或状态) I have already played football. I haven?t played football yet. I have never played football before. I have played football before.
I have played football for three hours.
I have played football since I was ten years old.(主句用的是现在完成时,since引导的时间状语从句用的是一般过去时) I have played football since I came here.(同上)
I have played football sine 2003.(自从过去某个具体时间以来) I have played football since two years ago. (自从过去某个具体时间以来)
I have played football in the last fews years.(最近几年中) I have played football recently.(近来) I have played football lately.(同上)
过去完成时
1.概念:以过去某个时间为标准,在此以前发生的动
作或行为,或在过去某动作之前完成的行为,即“过去的过去”。
2.时间状语:before, by the end of last year(term, month…),etc.
3.基本结构:had + done.
4.否定形式:had + not + done.
5.一般疑问句:had放于句首。
6.例句:As soon as we got to the station, the train had left.
By the end of last month. We had reviewed four books
概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。