一、 现在进行时的定义
现在进行时是表示在现在某一时刻或某段时间正在进行的动作的时态。
二、 现在进行时的构成
现在进行时由“系动词（am，is，are） + 现在分词（动词加-ing形式）” 构成。现在以动词work为例，对现在进行时的肯定句、否定句、疑问句及简略答语列表说明： 肯 定 句 I am working. You are working. He/She/It is working. We/You/They are working. 疑 问 句 Am I working? Are we working? Are you working? 简 略 答 语 Yes, you are. No, you are not. Yes, we/ you are. No, we/ you aren’t. Yes, I am. No, I am not. Yes, we are. No, we are not. Is he/she it working ? Are they working?
三、 现在分词的构成
1. 一般在动词原形末尾加-ing。
stay --- staying do --- doing listen --- listening
Yes, he/she/it is. No, he/she/it is not. Yes, they are. No, they are not. 否 定 句 I am not working. You are not working. He/She/It is not working. We/You/They are not working. 2. 以不发音的字母e 结尾的动词，先去掉e，再加-ing。
make --- making ride --- riding give --- giving
3. 以一个辅音字母结尾的重读闭音节词，先双写这个辅音字母，再加-ing。
put --- putting sit --- sitting run --- running
4. 以ie 为重读音节结尾的单词，先去掉e，把i 变为y，再加 –ing。
lie --- lying die --- dying
四、 现在进行时的用法
1. 表示现在或说话时正在进行的动作，常和下列时间状语连用：now, at this
moment, at present, these days (years), this term … 有时也与look , listen 等连用。
例句：Look, what are the monkeys eating? 看，那些猴子在吃什么？
2. 表示当前一直或反复在进行的动作或难以终止的动作。
例句：They are running and jumping all the time.
他们一直在跑啊跳啊。
练习：
一、写出下列动词的现在分词形式
stay __________ work ________ do __________ spend _________ listen __________ look _________ suffer __________ make __________ refuse __________ put __________ close __________ sit __________
operate _________ die _________
run __________ tie __________
take _________ give _________ ride _________ please _________ win _________ begin _________ open _________ lie _________
二、用所给动词的适当形式填空
1. Mary and Lucy are ________ (dance) now.
2. Listen! Someone is _______ (play) the piano in the next room. 3. He is __________ (sweep) the floor at the moment.
4. Look ! The cat ________ ________ (eat) the fish on the table. 5. A: ______ you _______ (study) French ?B: Yes , I am. 6. She often ____________ (dance) after school.
7. My father and mother ______ ______ (swim) in the pond. 8. My sister is ________ (fly) a kite in the garden. 9. We are __________ (watch) TV now.
10. Be quiet ! The baby _____ ______ (sleep) now.
三、改错
11. We are cleanning our classroom. ______________________________ 12. She is sing in the next room. ______________________________ 13. What am you doing? ______________________________ 14. Mary is comeing back from Beijing.______________________________
15. He often flying kites on Sundays. ______________________________ 16. They is reading books now. ______________________________ 17. My brother is plays the guitar now. _______________________________ 18. Sally is danceing in the room. _______________________________ 19. I watching TV at home now. ________________________________ 20. Do you listening the radio now? ________________________________
答案：
一、 staying working taking doing spending giving listening looking riding suffering making pleasing refusing putting winning
closing sitting beginning operating running opening dying tying lying
二、 dancing playing sweeping is eating Are studying are swimming flying watching is sleeping 三、 cleaning singing are coming flies are playing dancing am Are
dances
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