急需英语基本时态(包括一般过去、现在、将来、现在进行、过去进行、

急需英语基本时态(包括一般过去、现在、将来、现在进行、过去进行、现在完成、过去完成、完成进行)的基本定义,以及用法、结构、时间状语以及例句。分值好说~请大家帮帮忙,多写几个例句,谢谢…

一。一般现在时
1)一般现在时表示经常发生或习惯性的动作或状态及客观现实和普遍真理。
一般现在时常以动词原形表示,但当主语是第三人称单数时,动词词尾加-s或-es。
2)句型结构:主语+V.(包括be动词)+宾语+…
She is an engineer.
He has breakfast at 6:00every day.
3)注意:
a)一般现在时通常与always , often , usually , every day , sometimes , once a week 等时间状语连用。
I always watch TV at 8:00 in the evening .
They go home once a week .
We usually do our homework at home .
b)表客观现实或普遍真理。
The sun always rises in the east
The light travels faster than the sound .
二。一般过去时
1)一般过去时表示发生在过去的动作或存在的状态,通常与表示过去的时间状语yesterday, last night ,some years ago, in 1990,in those days.等连用。
I was a student 6years ago.
I went to Beijing last year.
They saw a film last night .
2)句型结构:主语+V.过去时+宾语+…
三。一般将来时
1)表示将来发生的动作或存在的状态,常与表将来的时间状语tomorrow, the day after tomorrow, next Sunday, soon, in a few days等连用。
2)句型结构:主语+will/shall+V.原形+…(第一人称用shall)
I shall go to Shanghai tomorrow.
They will have a meeting next week.
----She will be 20 years old.
----Will she be 20 years old?
----Yes, she will./ No, she won’t .
3)主语+will/shall+V.原形+…
be(am, is, are)going to
They will have a meeting next Sunday.
(will=are going to )
----What will they do next Sunday ?
----When will they have a meeting?
4) be about to+V.原形
I am about to leave school.
不能与表示时间的副词连用。
They are about to set out.(√)
They are about to set out soon.(×)
四。过去将来时
1)过去将来时是立足于过去某时,从过去的观点看将要发生的动作或状态。主要用于宾语从句中。
2)基本结构:主语+would/should was/were going to +V.原形+…
He said that he would have a meeting next week.
(He says that he will nave a meeting next week.)
They said we should leave school tomorrow.
(They say we shall leave school tomorrow.)

五。现在进行时
1)现在进行时表示现在或现在这段时间正在进行的动作。通常与now, at present 等时间状语连用。
2)基本结构:主语+be(am, is, are)+ v-ing +…
You are listening to me carefully now.
She is writing a letter this year.
Look! They are dancing.
We are studying English at present .
It’s raining hard now.
六。过去进行时
1) 表示过去某一时刻或某阶段时间正在进行的动作, 通常与 at 6:00 yesterday, at this/ that time yesterday, when 引导的时间状语等连用。
2) 基本结构 主语+be (was/were) +v- ing +…
1. It was raining at 7:00 the day before yesterday.
2. They were building a reservoir at this time last winter.
3. We were reading when the teacher came in.
We weren’t reading…
Were you reading…
What were you doing when the teacher came in.
七。现在完成时
1) 1. 表示过去发生的动作对现在造成的影响
2.表示过去某时间已经开始一直持续到现在的动作或状态
通常与下列时间状语连用 up to now, in the past, recently, by… , for 5 years, since 1994, so far, already, yet, ever, just…
2) 基本结构 主语+ have/has + P.P(动词过去分词)
1. I’ve finished this work.
2. He has ever been to Australia.
3. I have not heard from her recently.
4. I have already read this book.
Have you read…?
Yes, I have. No, I haven’t.
What have you read?
八。过去完成时
1) 表示动作发生在过去某一时间之前已经完成的动作或状态, 强调“过去的过去”, 常与 by the time, by the end of…,before , by 等引导时间的状语连用。
2) 基本结构 主语+ had + 动词过去分词 + …
When I got to the cinema yesterday the film had begun already.
昨天当我到达电影院时电影已经开始了。
He had learned English before he came here.
他来这儿之前已经学会英语了。
He had aught this class for 3 years by the time I left the school.
当我离开这个学校为止 他已教这个班级三年了。
By the end of last term I had learned 2000 English words.
到这学期末我已学会了2000 个英语单词。
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第1个回答  2012-07-31
急需,跪求各位高手帮帮忙,字数能有80字就可以了,谢谢啦!! 。。!···你的题目还没有给···汗···
第2个回答  2012-07-31
我也要,有的给我一份谢谢![email protected]