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
七．句型变换。
1. The babies are crying in the room.
2. I'm having my breakfast now.
3. My sister is making a kite in her room.
4. Mary is cooking in the kitchen.
5. The students of Class Four are sweeping their classroom.
6. The twins are waiting for a bus.
八、按要求完成句子。
1. He is eating dinner. (对划线部分提问)
_____ is he _________?
2. They are reading in the library . (对划线部分提问)
_____________ ________they __________?
3、I’m doing my homework in my study. (对划线部分提问)
_________________________________________________
4、 Sue is sitting under the tree. (对划线部分提问)
_________________________________________________
5. she, the window ,open ,now.(用现在进行时连词成句.)
__________________________________________________
6. is, who, the window, cleaning?(连词成句)
_________________________________________________
7. She is closing the door now.(改成否定句)
___________________________________________________
8. You are doing your homework.(用"I"作主语改写句子)
__________________________________________________
9. they, the tree, sing, now, under.(用现在进行时连词成句.)
__________________________________________________
10. The Young Pioneers are helping the old woman.(改成一般疑问句)
______________________________________________________
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