时态,语态,情态动词用法小结

时态和语态

一、一般现在时（The Simple Present Tense）

1、结构

1）(Active) do; does

2）(Passive) is (am, are) done

2、主要用法

①表示经常发生的动作和存在的状态。 e.g. I often come to school early.

②表示主语的特征，性格和能力。 e.g. He is an engineer. He looks young.

③表示客观事实，或普遍真理。

e.g. The teacher told us that light travels faster than sound.

Practice makes perfect. 熟能生巧。

④表示按时刻表计划或安排好的动作。（只限于表示起始或移动意义的动词，

begin, come, leave, start, arrive, go, etc.）

e.g. I will find out when the train leaves.

The plane for San Francisco takes off at three p.m..

3、与一般现在时连用的时间状语：

every day, once a week, twice a week, always, usually, often, sometimes, seldom, never etc.

e.g. I go to the cinema once a week.

e.g. Sometimes we work until twelve o’clock.

4、主动变被动

1）Do you often clean your room?

Is your room often cleaned?

2）People speak English in many countries.

English is spoken in many countries.

二、一般过去时（The Simple Past Tense）

1、结构

1）(Active) did

2）(Passive) was/were done

2、主要用法

①表示过去的动作或状态。

He lived in Beijing when he was young.

②表示过去一段时间内经常或反复发生的动作。.

e.g. When he was free, he would go and help others.

3、一般过去时常与这些时间状语连用：

yesterday, before liberation, in 1960, two years ago, last month, in the past, the other day, etc.

e.g. I happened to meet him in the street the other day.

4、主动变被动

1）The tiger in the zoo frightened the little girl.

The little girl was frightened by the tiger in the zoo.

2）They gave him a medal for his wonderful work.

He was given a medal for his wonderful work.

三、一般将来时（The Simple Future Tense）

1、结构

1）(Active) will/shall do

2）(Passive) will/shall be done

2、主要用法：表示将来的动作和状态。

e.g. The farmers will begin to pick apples next Monday.

e.g. He will come to see us tomorrow.

3、表示将来的其他用法：

1）be going to + v. 表示打算、准备做的事，或根据迹象表明即将发生或肯定要发生的事。

e.g. How are you going to spend your holidays?

It’s going to snow.

There’s going to be a lot of trouble about this.

2）be about to + v.表示即刻要发生的动作。

e.g. I was about to go swimming when luckily our guide saw me and shouted at me “stop!”

3）be to + v. 表示安排或计划好的动作。

e.g. A new hospital is to be built in our district.

We are to meet at the school gate at five o’clock this afternoon.

4）现在进行时表示按计划安排要发生的事。限于某些瞬时动词，如：

leave, go, come, arrive, start, etc.

e.g. My uncle is arriving at 3:30p.m. tomorrow.

4、一般将来时常与这些时间状语连用：tomorrow, next week, in a moment, in the future, etc.

e.g. ---How soon will he be back?

---He will be back in two weeks.

5、主动变被动

1）People will laugh at you if you wear that dress.

You will be laughed at if you wear that dress.

2）They won't hold the meeting until next Friday.

The meeting won’t be held until next Friday.

3）The doctor will ask the patient some questions before he gives her medicine.

The patient will be asked some questions before she is given the medicine.

四、过去将来时（The Past Future Tense）

1、结构

1）(Active) would/should do

2）(Passive) would/should be done

2、用法说明

不能独立使用，通常用在宾语从句中，表示从过去某一点看，在将来发生的动作或存在的状态。

e.g. He told me that he would go to Beijing the next month.

At that time I did not know if he would be able to finish the work on time.

五、现在进行时（The Present Continuous Tense）

1、结构

1）(Active) is/am/are doing