八大時態(tài)：1. 一般現(xiàn)在時;2.一般過去時;3.現(xiàn)在進行時;4.過去進行時;5.現(xiàn)在完成時;6.過去完成時;7.一般將來時;8. 過去將來時。接下來將總結八大時態(tài)的結構及用法，供大家參考。

八大時態(tài)的結構

1、一般現(xiàn)在時：動詞＋原形

2、一般過去時：was/were；動詞變過去式

3、現(xiàn)在進行時：am/is/are＋doing

4、過去進行時：was/were＋doing

5、現(xiàn)在完成時：have/has＋done

6、過去完成時：had＋done

7、一般將來時：am/is/are/going to+do；will/shall+do.

8、過去將來時：was/were/going to+do；would/should+do.

八大時態(tài)的用法

一、 一般現(xiàn)在時：

1.概念：經(jīng)常、反復發(fā)生的動作或行為及現(xiàn)在的某種狀況。

2.時間狀語：always, usually, often, sometimes, every week (day, year, month...), once a week, on Sundays,

3.基本結構：動詞 原形 (如主語為第三人稱單數(shù)，動詞上要加(e)S)

4.否定形式：am/is/are+not;此時態(tài)的謂語動詞若為行為動詞，則在其前加don't,如主語為第三人稱單數(shù)，則用doesn't，通常還原行為動詞。

5.一般疑問句：把be動詞放于句首;用助動詞do提問，如主語為第三人稱單數(shù)，則用does，同時，還原行為動詞。

6.例句：It seldom snows here.

He is always ready to help others.

Action speaks louder than words.

二、 一般過去時：

1.概念：過去某個時間里發(fā)生的動作或狀態(tài);過去習慣性、經(jīng)常性的動作、行為。

2.時間狀語：ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.

3.基本結構：be動詞;行為動詞

4.否定形式：was/were+not;在行為動詞前加didn't，同時還原行為動詞。

5.一般疑問句：was或were放于句首;用助動詞do的過去式did 提問，同時還原行為動詞。

6.例句：She often came to help us in those days.

I 三、 現(xiàn)在進行時：

1.概念：表示現(xiàn)階段或說話時正在進行的動作及行為。

2.時間狀語：now, at this time, these days, etc.

3.基本結構：am/is/are+doing

4.否定形式：am/is/are+not+doing.

5.一般疑問句：把be動詞放于句首。

6.例句：How are you feeling today?

He is doing well in his lessons.didn't know you were so busy.

四、 過去進行時：

1.概念：表示過去某段時間或某一時刻正在發(fā)生或進行的行為或動作。

2.時間狀語：at this time yesterday, at that time或以when引導的謂語動詞是一般過去時的時間狀語等。

3.基本結構：was/were+doing

4.否定形式：was/were + not + doing.

5.一般疑問句：把was或were放于句首。

6.例句：At that time she was working in a PLA unit.

When he came in, I was reading a newspaper.

五、 現(xiàn)在完成時：

1.概念：過去發(fā)生或已經(jīng)完成的動作對現(xiàn)在造成的影響或結果，或從過去已經(jīng)開始，持續(xù)到現(xiàn)在的動作或狀態(tài)。

2.時間狀語：recently, lately, since…for…,in the past few years, etc.

3.基本結構：have/has + done

4.否定形式：have/has + not +done.

5.一般疑問句：have或has提前

6.例句：I've written an article.

It has been raining these days.

六、 過去完成時：

1.概念：以過去某個時間為標準，在此以前發(fā)生的動作或行為，或在過去某動作之前完成的行為，即“過去的過去”。

2.時間狀語：before, by the end of last year(term, month…),etc.

3.基本結構：had + done.

4.否定形式：had + not + done.

5.一般疑問句：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

七、 一般將來時：

1.概念：表示將要發(fā)生的動作或存在的狀態(tài)及打算、計劃或準備做某事。

2.時間狀語：tomorrow, next day(week, month, year…),soon, in a few minutes, by…,the day after tomorrow, etc.

3.基本結構：am/is/are/going to + do;will/shall + do.

4.否定形式：was/were + not; 在行為動詞前加won't，同時還原行為動詞。

5.一般疑問句：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.

八、 過去將來時：

1.概念：立足于過去某一時刻，從過去看將來，常用于賓語從句中。

2.時間狀語：the next day(morning, year…),the following month(week…),etc.

3.基本結構：was/were/going to do;would/should + do.

4.否定形式：was/were/not + going to + do;would/should + not + do.

5.一般疑問句：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 .