1、Unit4 Grammar:现在进行时 To learn how to use the grammar of the present continuous tense in this unit.Look at the above photo and answer the question “What is Cindy doing?” Key: She is doing her homework.一、教材经典句子：1. The children are playing in the park.2. We are staying at Peters house at the moment.现在进行
2、时的结构：am/is/are + 动词-ing.二、现在进行时：一般表示此刻正在进行的动作，也表示目前阶段一直进行的动作。三、用法：1. 现在进行时一般表示此刻正在进行的动作，常和now，right now，at this moment等时间状语连用，以及动词look，listen等。如：Look！She is cleaning my room now.【即学即练】1. Look! The boy _ (read) books quietly.2. Come on. They _ (leave) now.3. Listen! She _ in the classroom.A.is singin
3、gB. singsC. does singingKeys:1. is reading; 2. are leaving; 3. A2. 现在进行时表示目前阶段（短期内）一直进行的动作，但是说话时不一定正在发生，常和“these days，this week，at present”等连用。如：Is James working hard this term？四、现在分词的规律：主要动词-ing形式例子大多数动词加-ingfeel-feeling以-e结尾的动词去e ，加ingwrite-writing以-ie结尾的动词去ie，加-yinglielying, die-dying一些以一个元音字母+一个
4、辅音字母结尾的动词双写这个辅音字母，加-ingrunrunning, forget-forgetting【即学即练】写出下列动词的现在分词。stand _swim _skate _run _sleep _wash _do _listen _play _sing _have _write _sit _read _Key: standing/swimming/skating/running/sleeping/washing/doing/listening/playing/singing/having/writing/sitting/reading五、常用结构：1. 肯定句：主语+be（am，is，
5、are）+现在分词+其他 如：He is doing his homework.【即学即练】The workers are at work now. (同义句转换)The workers _ _ now.Key: are working2. 否定句：主语+be（am，is，are）+not+现在分词+其他 如：He is not (isnt) writing now？【即学即练】The baby is sleeping. (变成否定句)_Key: The baby is not (isnt ) sleeping.3. 一般疑问句：be（am，is，are）+主语+现在分词+其他？- Are y
6、ou singing？- Yes, I am.【即学即练】They are playing basketball now. (变成一般疑问句)_Key: Are they playing basketball now?4. 特殊疑问句：疑问词+be（am, is, are）+主语+现在分词+其他？- What are you doing? - I am doing my homework.【即学即练】They are watching TV. (对划线部分提问)_ _they_?Key: What are doing注意：1. 一些表示状态和意愿的动词，如be（是）, like（喜欢）, wa
7、nt（想要）, know（知道）, think（认为）, have（有）等，不能用于现在进行时态。 如:I want to go home now。【即学即练】You cant see her now. She _ (have) a bath(淋浴).Key: is having2. come，go，leave，stay，start，arrive等表示往返或位置转移的动词，可以用现在进行时表示将要发生的动作，这些动词可以与“tomorrow，next week”等表示将来的时间状语连用。【即学即练】Come on. They _ (leave) now.Key: are leaving.3.
8、现在进行时与always，often等词连用，也可表示习惯的、经常重复的动作。意为总是，老师。此时常常有埋怨、赞赏的色彩。 如：Mary is always talking about her son.【即学即练】1. He _ always _ (tell) lies.2. You _ always _ (make) troubles.Keys: 1. are, telling; 2. are, making综合练习一、写出下列动词的现在分词。1.play 2. run 3.swim 4. make 5. go 6. like 7.write 8.ski 9. read _10.have 1
9、1.sing 12.dance 13.put 14.see 15.buy 16.jog 17.live 18.take e 20.get 21.stop 22.sit 23.begin 二、用所给词的适当形式填空：1. The boy _ (draw) a picture now.2. Listen! Some girls _ (sing) in the classroom.3. My mother _ (cook) some nice food now.4. Tom _ (play) football on the playground at the moment.5. - Wheres M
10、ark?- He _ (run) on the grass.6. They _ (not, water) the flowers now.7. Look! The girls _ (dance) in the classroom.8. - What is our daughter doing?- She _ (listen) to music.9. Its 5 oclock now. We _ (have) supper now.10. - _ Helen _ (wash) clothes? - Yes, she is.11. Nancy and I are _ (make) a model
11、plane.12. I am _ (ride) a bike now. Look, Nancy _ (ride) a bike with me.13. - _ he _ (clean) the blackboard?- No, he isnt.14. Tom _ (play) football on the playground at the moment.15. Its nine oclock. My father _ (work) in the office.16. My parents _ (grow) older and older.17. Come on. They _ (leave
12、) now.解析：一、1. playing 2. running 3. swimming 4. making 5. going 6. liking 7. writing 8. skiing 9reading 10. having 11. singing 12. dancing 13. putting 14. seeing 15. buying 16. jogging 17. living 18. taking 19. coming 20. getting 21. stopping 22. sitting 23. beginning二、1. is drawing /2. are singing
13、/3. is cooking /4. is playing/ 5. is running /6. arent watering /7. are dancing/8. is listening/9. are having/10. is washing/11. making/12. riding, is riding /13. Is,cleaning/14. is playing/15. is working/ 16. are growing/17. are leaving 一、单项选择。1. - Where is your father?- He _ the World Cup in the l
14、iving room. (重庆中考)A. is watchingB. watchesC. watchedD. will watch2. - Alan, its late. Why not go to bed? - Jenny hasnt come back yet. I _ for her.A. waitedB. have waitedC. am waitingD. was waiting3. It _ hard outside. You have to stay at home.A. rainB. is rainingC. rainedD. will rain4. - What is Tom
15、 doing now? - He _ basketball over there.A.is playingB. will playC. has playedD. was playing5. Mr. Smith works with a mobile phone company, but he _ for this international meeting, since he is on holiday.A. worksB. is workingC. has workedD. had worked6. The girl _ with her grandparents for the momen
16、t because her parents are both very busy this month.A. livedB. is livingC. liveD. was living7. Dont turn on the TV. Grandma _ now.A. is sleepingB. will sleepC. sleptD. sleep8. Listen! She _ in the classroom.A.is singingB. singsC. does singing9. Jack and Kitty _ in the lake. Lets join them, shall we?
17、A. swimB. have swumC. are swimming10. Its six in the afternoon. The Greens _ lunch together.A. haveB. are havingC. is having11. Dont talk here. My mother _A.is sleepingB. are sleepingC. sleeping12. - When _ he _ back? - Sorry, I dont know.A. does; comeB. is; comingC. do; come13. Today Jim _ his whit
18、e shirt and brown trousers.A.is putting onB. wearC.is wearing14. - Whats the weather like? - Oh, it _ outside. Take an umbrella with you.A. rainsB. is rainingC. was raining15. It seems that the old man _ for something over there.A. looksB. lookedC. is looking16. - Hi, Wang Ning! Hows the weather in
19、Heze now? - Its terrible. It _ all the morning.A. rainsB. is rainingC. rained17. - Cathy, can you answer the door? I _ the room.A. cleanB. cleanedC. am cleaning18. - Alice, would you mind not playing the guitar? I _ on the phone. - Oh, sorry, mum.A. talkedB. talkC. am talking19. - Hey, Tom. Lets go
20、swimming. - Just a moment. I _ a message.A. sendB. sentC. am sending20. You _ Dont talk on the phone.A. will driveB. are drivingC. were drivingKey: 1-5: ACBAB 6-10: BAACB 11-15: ABCBC 16-20: BCCCB二、中考链接1. Its six oclock in the morning. Many people _ in the park.A. are dancingB. danceC. is dancingD.
21、dances2. - Where are you going, Bob? - To go hiking. Eric _ for me at the school gate!A. was waitingB. waitsC. waitedD.is waiting3. - May I speak to Mrs. Black? - Sorry, Mom cant come to the phone now. She _ a shower.A. hasB. hadC. is havingD. was having4. - Anita, where is your brother?A. playsB. p
22、layedC. is playingD. has played5. Please dont make so much noise. The baby _ now.A. sleepsB. sleptC. will sleepD. is sleepingKeys: 1-5, ADCCD三、句型转换。1. They are playing basketball now. (变成一般疑问句)_2. The baby is sleeping. (变成否定句)_3. They are watching TV.(对划线部分提问)_Key: 1. Are they playing basketball now
23、? 2.The baby is not sleeping. 3.What are they doing?二、现在进行时：一般表示此刻正在进行的动作，也表示目前阶段一直进行的动作。三、用法：1. 现在进行时一般表示此刻正在进行的动作，常和now，right now，at this moment等时间状语连用，以及动词look，listen等。如：Look！She is cleaning my room now。2. 现在进行时表示目前阶段（短期内）一直进行的动作，但是说话时不一定正在发生，常和“these days，this week，at present”等连用。如：Is James work
24、ing hard this term？四、现在分词的规律：主要动词-ing形式例子大多数动词加-ingfeel-feeling以-e结尾的动词去e ，加ingwrite-writing以-ie结尾的动词去ie，加-yinglielying, die-dying一些以一个元音字母+一个辅音字母结尾的动词双写这个辅音字母，加-ingrunrunning, forget-forgetting五、常用结构：5. 肯定句：主语+be（am，is，are）+现在分词+其他 如：He is doing his homework.6. 否定句：主语+be（am，is，are）+not+现在分词+其他 如：He
25、 isnt writing now?7. 一般疑问句：be（am，is，are）+主语+现在分词+其他？如：Are you singing？ Yes, I am.8. 特殊疑问句：疑问词+be（am，is，are）+主语+现在分词+其他？- What are you doing? - I am doing my homework.注意：1. 一些表示状态和意愿的动词，如be, like, want, know, think, have等，不能用于现在进行时态。 如:I want to go home now。2. come，go，leave，stay，start，arrive等表示往返或位置转移的动词，可以用现在进行时表示将要发生的动作，这些动词可以与“tomorrow，next week”等表示将来的时间状语连用。3. 现在进行时与always，often等词连用，也可表示习惯的、经常重复的动作。意为总是，老师。此时常常有埋怨、赞赏的色彩。 如：Mary is always talking about her son.学生易错点整理：
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