现在进行时用法
现在进行时，用来表示正在进行或发生的动作。
结构是：be (am, is, are)+动词现在分词形式。
动词加ing的变化规则：
1.一般情况下，直接加ing，如：cook-cooking
2.以不发音的e结尾，去e加ing，如：make-making, taste-tasting
3.如果末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping
关键词：look(看)、listen(听)、now(现在)，经常出现在句子中。如：
Look! Jack is swimming.看！杰克正在游泳。
Listen! She is singing.听！她正在唱歌。
I am cleaning my room now.现在我正在打扫房间。
现在进行时专项练习
一．用所给的动词的正确形式填空：not ready to make nice
1. The boy __________________ ( draw)a picture now.
2. Listen .Some girls _______________ ( sing)in the classroom .
3. My mother _________________ ( cook )some nice food  now.
4. What _____ you ______ ( do ) now
5. Look . They _______________( have) an English lesson .
6. They ____________(not ,water) the flowers now.
7. Look! the girls ________________(dance )in the classroom .
8. What is our granddaughter doing She _________(listen ) to music.
9. It’s  5  o’clock now. We _____________(have)supper now
10. ______Helen____________(wash )clothes Yes ,she is .
二．写出下列动词的-ing形式
run             swing              jump         
write             do               answer         
read             draw               cook        
make            talk               answer        
wash             go               fly         
三．选择填空
(    ) 1. What are you _______ now      A. doing    B. do    C. does   
(    ) 2. It’s _______ English book.   A. a    B. an    C. the 
(    ) 3. I like English ________.     A. very    B. much    C. very much 
(    ) 4. I’m ________ an e-mail.    A. writing    B. writeing    C. writting   
(    ) 5. Tom is reading _________.  A. book    B. a books    C. a book
(    ) 6. Kate is _______.          A. runing    B. running    C. run   
(     ) 7.  Can the rabbit          A. jumping    B. jump    C. jumps   
(    ) 8. Ducks are swimming  _______ the river.  A. on    B. under    C. in   
(    ) 9. We’re listening _______ music.    A. to    B. at    C. of   
(    ) 10. What _______ they doing now    A. is     B. am     C. are   
(    )  _____ you doing          A. is  B. are    C. do
(    )12. ______ is your brother doing  A. Who    B. What’s  C. What
(    ) 13. I am talking ____ you.  A. for      B. to      C. on
(    )14. Mom is ______ a letter.  A. writing    B. write    C. writing
(    )15. What is ________ doing  A. she  B. her  C. your
四．根据上下文补上所缺的单词的ing形式，使短文完整。
(write  do  cook  clean  wash  answer  listen  draw  read  work)
Everybody is very busy. Grandpa is _______ a letter. Grandma is _______ a book. Dad is ______ in the study. Mom is _______ dinner in the kitchen. Brother is _______ to music. Sister is _______ the room. I am _______ pictures. Uncle is ________ the phone. Aunt is ______ clothes. Cousin is _____ homework.