现在进行时

现在进行时用法

1、现在（说话的瞬间）正在进行或发生的动作，强调“此时此刻”。E.g. He is reading. They are talking now.

2、当前一段时间内的活动或现阶段正在进行的动作。E.g. They are working these days.

3、某些动词的现在进行时，表预定的计划或即将发生的动作。E.g. I am coming.

★其结构为be+现在分词. 现在分词的变法有:

1、一般在动词词尾加上-ing ,E.g. jump

2、以不发音字母e结尾的动词，先去e，再加-ing. E.g. have \ write

3、.以重读闭音节末尾只有一个辅音字母结尾的词，它前面是单个元音字母时要先将词尾的辅音字母双写，再加上-ing. E.g. sit put

★其句式变换都在be上做文章。

E.g. He is buying a bike.

Is he buying a bike?

He isn’t buying a bike.

★一般由look, listen, now, at this moment等时间状语做标志。

练习题

A. 基础篇

（一）、单选

1、Look! He _____their mother do the housework.

A. is helping

B. are help

C. is help

D. is helpping

2、_____are the boys doing ? They are singing in the room.

A .Who

B .How C.What D.Where

3、D on’t talk here. My mother _____.

A. is sleeping B .are sleeping C. sleeping D .sleep

4、Danny ______. Don’t call him.

A. is writeing B .is writing C.writing D .writes

5、–When_____he_____back?

–Sorry, I don’t know.

A. does,come

B.are coming

C.is come

D.is coming

（二）、填空

1、It’s ten o’clock. My mother _____ (lie)in bed.

2、What____he _____(mend) now?

3、We _____(play) games now.

4、What ____you____(do) these days?

5、____he ___(clean) the classroom?

6、Who____(sing) in the next room?

7 、The girl____(like)wearing a sweater. Look! She ____ (wear)a red sweater today.

(三) 、写出下列动词的现在分词形式

1. work___________ sing__________ play__________ study________

2.dance__________ have__________ write__________ take______

3.run__________ sit__________ shop__________ swim________

4.lie__________

(四)、写出下列动词的第三人称单数形式

1.work__________read__________ clean__________ write______

2.teach__________wash__________ guess__________ watch_____

3.go__________ do___________ photo__________

4.study__________fly__________ cry__________ play________

5.have__________

B.中等篇

一将下列句子改成现在进行时

1. Tom speaks Chinese.

2. We have four lessons.

3. I watch TV every day.

4. She works in a hospital.

5. Do you like this book?

6. Kitty and Ben have lunch at about twelve.

7. His father can help them.

8. Danny, open the door.

9. They watch TV in the evening.

二. 按要求改写句子

1. The boy is playing basketball.

否定句：____________________________

一般疑问句：_________________________

肯定回答：__________________________

否定回答：__________________________

对“is playing basketball”提问：__________________________

对“ The boy”提问：__________________________

2. They are singing in the classroom.

否定句：____________________________

一般疑问句：_________________________

肯定回答：__________________________

否定回答：__________________________

对“are singing ”提问：__________________________

对“ in the classroom”提问：__________________________