急！初中英语的八个时态及例句

一般现在时
1.概念：经常、反复发生的动作或行为及现在的某种状况。
2.时间状语： always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays,
3.基本结构：动词 原形 （如主语为第三人称单数，动词上要改为第三人称单数形式）
4.否定形式：am/is/are+not;此时态的谓语动词若为行为动词，则在其前加don't,如主语为第三人称单数，则用doesn't，同时还原行为动词。
5.一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。
6.例句：. It seldom snows here.
He is always ready to help others.
Action speaks louder than words..

[编辑本段]二、 一般过去时
1.概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。
2.时间状语：ago, yesterday, the day before yesterday, last week,last(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.
3.基本结构：be动词；行为动词 的过去式
4.否定形式：was/were+not;在行为动词前加didn't，同时还原行为动词。
5.一般疑问句：was或were放于句首；用助动词do的过去式did 提问，同时还原行为动词。
6.例句：She often came to help us in those days.
I didn't know you were so busy.

[编辑本段]三、 现在进行时
1.概念：表示现阶段或说话时正在进行的动作及行为。
2.时间状语：now, at this time, days, etc. look . listen
3.基本结构：be+doing
4.否定形式：be+not+doing.
5.一般疑问句：把be动词放于句首。
6.例句： How are you feeling today?
He is doing well in his lessons.

[编辑本段]四、 过去进行时
1.概念：表示过去某段时间或某一时刻正在发生或进行的行为或动作。
2.时间状语：at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。
3.基本结构 s+was/were+doing
4.否定形式：s+was/were + not + doing.
5.一般疑问句：把was或were放于句首。(第一个字母大写）
6.例句：At that time she was working in a PLA unit.
When he came in, I was reading a newspaper.

[编辑本段]五、 现在完成时
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状态。
2.时间状语：yet,already,just,never,ever,so far,by now,since+时间点，for+时间段，recently, lately, 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.

[编辑本段]六、 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
基本结构：主语+had+过去分词(done)
①肯定句：主语+had+过去分词+其他
②否定句：主语+had+not+过去分词+其他
③一般疑问句：Had+主语+过去分词+其他
④特殊疑问句：特殊疑问词+一般疑问句
[编辑本段]七、 一般将来时
1.概念：表示将要发生的动作或存在的状态及打算、计划或准备做某事。
2.时间状语：tomorrow, next day(week, month, year…),soon, in a few minutes, by…,the day after tomorrow, etc.
3.基本结构：主语+am/is/are+going to + do；will/shall + do.
4.否定形式：am/is/are not going to do ；will/shall not do。
5.一般疑问句：be放于句首；will/shall提到句首。
6.例句：They are going to have a competition with us in studies.
It is going to rain.
[编辑本段]八、 过去将来时
1.概念：立足于过去某一时刻，从过去看将来，常用于宾语从句中。
2.时间状语：the next day(morning, year…),the following month(week…),etc.
3.基本结构：was/were+going to + do；would/should + do.
4.否定形式：was/were/not + going to + do;would/should + not + do.
5.一般疑问句：was或were放于句首；would/should 提到句首。
6.例句：He said he would go to Beijing the next day.
I asked who was going there .
[编辑本段]九、将来完成时
1.概念：在将来某一时刻之前开始的动作或状态
2.时间状语：by the time of;by the end of+时间短语（将来）;by the time+从句（将来）
3.基本结构：be going to/will/shall + have done
4例句:By the time you get back,great changes will have taken place in this area.
[编辑本段]十、现在完成进行时
1.概念：表示从过去某一时间开始一直延续到现在的动作。这一动作可能刚刚开始，也可能仍在继续，并可能延续到将来。
2.基本结构：have/has +been+doing
3.时间状语：since+时间点，for+时间段等。
4.例子：I have been sitting here for an hour.
The chirdren have been watching TV since six o'clock.
[编辑本段]十一、 一般过去时与现在完成时的转换
在现在完成时中，延续性动词能与表示一段时间的状语连用，瞬间动词却不能。但是，可用别的表达方式：①瞬间动词用于“一段时间 + ago”的一般过去时的句型中；②瞬间动词可改成与之相对应的延续性动词及短语，与一段时间连用；③瞬间动词用于“It is + 一段时间 + since + 一般过去时”的句型中，表示“自从……以来有……时间”的意思，主句一般用it is来代替It has been;④瞬间动词用于“Some time has passed since + 一般过去时”的句型中。请看：
A. He joined the League two years ago.
B. He has been in the League for two years.
C. It is two years since he joined the League.
D. Two years has passed since he joined the League.
[编辑本段]十二、 一般现在时与现在进行时的转换
在一般现在时中，at加上名词表示“处于某种状态”，如at work（在工作）, at school（上学、上课）等。此短语可与进行时态转换。请看：
Peter is at work, but Mike is at play.
Peter is working, but Mike is playing.
[编辑本段]十三、 现在进行时与一般将来时的转换
在现在进行时态中go, come, leave, start, arrive等动词常与表示将来的时间状语连用表示将要发生的动作。如：I am coming, Mum! 意为“我就来，妈妈！”请看：
The train is leaving soon.
The train will leave soon.
八种时态 主动语态 被动语态
一般现在时 (经常,反复,爱好,特点,条件,真理) do; does am;is;are done
一般过去时 (过去发生的事,不强调现在的结果) did; -ed was;were done
一般将来时 (将要发生的事) will do will be done
现在进行时 (现在正在发生的事) am;is;are doing am;is;are being done
过去进行时 (当时正在发生的事) was;were doing was;were being done
现在完成时 (过去发生的事,强调现在的结果) have;has done have;has been done
过去完成时 (过去完成的事；过去以前发生的事) had done had been done
过去将来时 (过去将要发生的事) would do would be done

1.一般现在时
I like living in the suburbs.
Mum goes to the supermarket once a week.
There aren’t any shops or restaurants.
2. 现在进行时
Now we are living in the new neighbourhood.
Tom is playing football on the playground.
3. 一般将来时
I’ll go to the estate agency tomorrow.
It is going to rain this afternoon.
4. 一般过去式
We went to the cinema yesterday.
When we lived in the city centre, we got up late and walked to school.
5. 过去进行时
What were you dong this time yesterday?
I was doing homework that time.
Where was he standing when the teacher came in?
6. 现在完成时
Kitty has just moved to Water Bay.
I have already finished my homework.
His mother hasn’t promised to buy him a present.
7.过去将来时
I would/should go abroad.
I was going to look the book when I finished housework.
She were(about) to go to the centre.
8.过去完成时
How many English words had you learned by the end of last term?
I had finished the work by that time.
Tom said he had read this book twice.

一般现在时：I like swimming./He has a cat./She speaks English.
现在进行时：I'm running./He is reading./She is dancing.
将来时：I'm going to the park./He wil buy a present for hismother./She
will go shopping tommrrow.
过去时：I saw a plane yesterday./He went to a farm last sunday./ She was happy yesterday.

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