现在进行时,过去进行时和过去将来时

一、现在进行时

（一）结构

由Be(am／is／are) ＋动词—ing 构成。

（二）用法

1、表示说话时刻正在进行的动作及行为，或者包括说话时刻在内的一段时间正在进行的动作。常用时间状语及标志词：now( at the moment ) , listen , look , this week , this evening , these days 等。

Listen , Someone is playing the piano in the next room .

2、表示一种渐进的过程。

My younger brother is becoming more and more interested in English .

3、与always , all the time , forever等连用，表示说话人某种强烈的情感，如：赞许、批评；喜欢、厌恶等。例如：

He is always thinking of others , not of himself . （表示赞许）他总是为他人着想，而不为自己。

She is often doing well at school. （表示满意）她在学校学习挺不错的。

Are you feeling better today? （表示亲切）你今天觉得好一些吗？

One of my roommates is constantly leaving things about.（表示不满）我的一个室友老是乱扔东西。

Some sellers are often knocking at our door and promoting their products to us .（表示不喜欢）有些推销员老是敲我家的门,向我们推销他们的产品。

4、表示移位的动词，如go,come,leave,start,arrive等，其现在进行时可表将来。

She is leaving for Beijing next weak .

My friend is coming for dinner .

（三）句型

1、肯定句：主语+ be(am／is／are) ＋动词—ing +其他。

I am studying now .

2、否定句：主语+ be +not+动词—ing +其他。

I am not studying now .

3、一般疑问句：Be+主语+动词—ing +其他？

Is she studying now ? Yes ,she is ./No,she isn’t .

4、特殊疑问句：特殊疑问词+ Be+主语+动词—ing +其他？

What are you doing now ?

（四）动词的现在分词形式构成的几种方法：

1、一般在动词原形结尾直接加-ing 。

read-reading ，go-going ，visit-visiting

2、以不发音字母e结尾的动词，去e再加-ing。

live-living, write-writing，make-making,take-taking

3、以重读闭音节结尾且末尾只有一个辅音字母的词，双写这个字母再加-ing 。

sit-sitting,begin-beginning,get-getting,run-running,

put-putting

4、少数几个以ie结尾的动词，变ie为y再加-ing。

die-dying, lie-lying, tie-tying

h )clothes? Yes ,she is

现在进行时态练习题

一、写出下列动词的现在分词形式：

wait live grow

play have sleep

fly sing come

go read get

rain draw put

二、根据句意，用所给动词的适当形式填空：

1. Listen, Mr. Wu on the phone (talk).

2. I soccer now. I’m walking (not play)

3. ---Is your father at home?

---Yes, he is .He a TV show. (watch)

4. They to go to the shop now. (want)

5. --- you for your friends? (wait)

---No, I’m not.

6. Steve is very busy. He a letter (write)

7. Don’t speak! My father(sleep).

8. It’s twelve o’clock. The students(have) lunch.

9. Don’t go out! It outside. (rain)

10. ---Why are you standing here , Dave？

---I for Scott. (wait)

11. The boys (help) their mother in the kitchen now.

12. The sky is blue and the sun (shine).

13. What those people (do) now? They (look)

at the pictures.

14. Look, Sam (dig) in the garden.

15. Are you (think) about your English lesson?

16. The children (listen) to the music.

17. he (run) on the playground?

18. Jim and Pat (read) right now?

19. What are they doing? They (swim) in the sea?

20. What are you doing? I (play) the piano.

三、按要求改写句子。

1.The children are making a model. (否定句)

2. Tim is eating an apple. (一般疑问句)

3. Are you doing your homework now? (作肯定和否定回答)

4. They are studying at home. (at school) (改为选择疑问句)

they at home at school?