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现在进行时
1. 定 义：现在进行时表示正在发生或进行的动作。结构是：be (am, is, are)+动词现在分词形式。 （简写： be +动词-ing） A、陈述句(肯定句)
主语＋be (am, is, are)+现在分词，如：
I am reading English.我正在读英语。He is writing.他正在写字。 B、一般疑问句
Be(Am, Is, Are)+主语＋现在分词， 如：Are you singing?你正在唱歌吗？ C、特殊疑问句
疑问词＋be (am, is, are)＋主语＋现在分词
What are you doing? 你正在干什么 -I am doing my homework.我正在做作业。 2.标志词：(1) 时间状语 now 、at the moment
(2) 句前有提示词look 、listen 、look at …
3.动词-ing的构成规则
（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 （4） 以ie 结尾的动词，先把ie变成y 再加-ing。 lie- lying tie -tying die-dying 注意： see-seeing draw-drawing listen-listening 现在分词构成口诀
现在分词很好记，动词后缀-ing。 直接加、去e加、双写加。 还有一点要注意ie要用y来替。 现在进行时用法口诀
主语在前be在后，现在分词跟着走，其他成分不可丢。
变一般很简单，把be 提到句子前，否定句也不难，be后要把not添。 还有一点要注意，动作提问doing替。
现在进行时态练习题
一、 将下列动词变成ing形式
help_______ come_______ swim_______ eat _______ give_______ find _______ sit _______ write_______ tie_______ make _______ play_______ clean _______ catch_______ walk_______ ride _______ run_______ draw_______ listen_______ begin _______ dance_______ watch_______ sleep_______ see_______ have _______
二．用所给词的适当形式填空。
1.Look ! The boy (read) books. 2.The girls_________(have) breakfast now. 3. — he (clean) the blackboard? — No, he isn’t. 4.Tom (play) football on the playground at the moment . 5.Listen! They (sing) in the muisc room. 三．汉译英。
1.我们正在看电视。We TV.
2.Tom 在图书馆看书。 Tom books in the library. 3.康康在操场上打篮球。 Kang kang basketball . 4.他此刻正在睡觉。He is sleeping .
5.玛利亚在做什么？What Maria now? 6.你在做作业吗？ You your homework ? 四．将下列句子改成现在进行时
1. I watch TV every day. I _________________TV now. 2. She works in a hospital. She _________________ in hospital. 3. Do you read this book? ____ you ________ this book. 4.Tom and Sam have lunch at about twelve.
Kitty and Ben ______________ lunch at about twelve.
5. They clean the room in the evening. They ______________the room now. 6. They don’t play computer games. 7. Do they swim ?
8. Does she write a letter ? 9. What do they look at ? 10.He talks to a friend.
五．完成下列现在进行时的句子
1. The students _____ ______ (listen) to the teacher now. 2. Li Lei______ ________ (watch) TV now.
3. She____ _______ (look) at a nice picture now. 4. Look! The boys______ ________ (play) basketball. 5. Listen! They____ _________ (sing) a song. 6. A cat _____ ________ (run) up the tree now. 7. I ____ ________ (get) up now.
8. Her mother_____ _________ (wash) the dishes now. 9. He ______ _______ (go) to the park now. 10. They _____ ______ (sit) in the park.
11. My mother ________ ______ (clean) the room now. 12. She ______ ______(drink) some milk.
13. A cat_______ _______(sleep) behind the door. 14. Billy and Bob_______ ________(play) football. 15. They_____ _______ (have) fun together. 六、选择填空。
( ) 1.What are you doing? I’m_____ an interesting book.
A. looking B. seeing C. reading
( ) 2. What ___ your sister doing? She _____ cleaning the floor.
A. are, is B does, is C. is, is
( ) 3. Kate is ___ her green dress now .
A. putting on B puts on C wear
( ) 4. Is she___ her homework? No, she___.
A． do, doesn’t B does, isn’t C doing, is D doing, isn’t
( ) 5. Look! The cousins _____ new sweaters.
A. are wearing B. wearing C. are wear D. is wearing
( ) 6. Don’t talk here. My father and mother _____.
A. is sleeping B. are sleeping C. sleeping D. sleep
( ) 7 Listen! The birds ___ in the tree .
A sing B singing C is singing D are singing
( ) 8. Who _____ over there now?
A. drawing B. is draw C. is drawing D. draw
( ) 9. The students _____ an English class.
A. have B. having C. is having D. are having
( ) 10. Listen! The baby _____ in the room.
A. crying B. cried C. is crying D. cries
( ) 11.I am____ to the radio.
A. am listening B. listening C. am listen
( ) 12.She _____ the piano.
A is playing B are playing C playing
( ) 13..We ____ on the chair.
A. is sitting B. are siting C. are sitting
( )14.Lily _____ on the playground.
A. am running B. running C. is running
( )15. They ____ in the pool.
A. are swimming B. are swiming C. swimming