第四章 動詞和時態(tài),第三節(jié) 現(xiàn)在進(jìn)行時,知識梳理,一、現(xiàn)在進(jìn)行時的用法 現(xiàn)在進(jìn)行時表示現(xiàn)在正在進(jìn)行或正在發(fā)生的動作，也可以表示當(dāng)前一段時間內(nèi)的活動或現(xiàn)階段正在進(jìn)行的動作。句型結(jié)構(gòu)是： be+ving形式（現(xiàn)在分詞）。 標(biāo)志時間詞：now，look，listen，over there，look at，Its+時間等。,二、現(xiàn)在分詞的變化規(guī)則 1一般情況下，在動詞詞尾加ing。 如：gogoing, playplaying, eateating 2. 以不發(fā)音的字母e結(jié)尾的動詞，去e再加ing。 如：writewriting, comecoming, taketaking 3. 以重讀閉音節(jié)結(jié)尾，且詞尾只有一個輔音字母的動詞，雙寫最后這個輔音字母再加ing。 如：runrunning, swimswimming, shopshopping 4. 以ie結(jié)尾的動詞，將ie改為y, 再加ing。 如：diedying, lielying,三、現(xiàn)在進(jìn)行時的句型結(jié)構(gòu) 1肯定句： 主語+be動詞(am / are / is)+ving+其他. 如：I am washing my hands now. Look！ Jack is listening to music. Tom and his brother are doing their homework. It is nine oclock. The children are having class. 2. 否定句：主語+be動詞(am / are / is)+not+ving+其他. 如：I am not (Im not) washing my hands now. The children are not(arent) playing over there. Its six past ten. Tom is not (isnt) having dinner.,3.一般疑問句：Is / Are / Am+主語+ving+其他？ 如：Are you watching TV now? Yes, I am. / No, I am not. Is the girl playing the piano? Yes, she is. / No, she isnt. Are the children swimming in the river? Yes, they are. / No, they arent. 4. 特殊疑問句： 特殊疑問詞+一般疑問句？ 如：I am watching TV now. What are you doing now? Uncle Wang is drinking tea in the living room. Where is Uncle Wang drinking tea?,考點(diǎn)精析,考點(diǎn)1 考查現(xiàn)在進(jìn)行時的用法 【例1】 用所給動詞的適當(dāng)形式填空。 1. She (draw) a map now. 2. Listen! The boys (sing). 解析:本題考查填動詞的適當(dāng)形式，必須要弄清楚句子的時態(tài)。第1小題中的時間詞now，第2小題中的Listen 都表示動作正在發(fā)生，都要用現(xiàn)在進(jìn)行時；同時，注意ving 之前一定要根據(jù)主語的形式加上相應(yīng)的be動詞。 答案：1. is drawing 2. are singing,舉一反三 1. 寫出下列動詞的現(xiàn)在分詞形式。 (1) sing _ (2) dance _ (3) write _ (4) shop _ (5) put _ (6) die _ 2. 單項(xiàng)填空。 ( )(1) Mum and I housework now. A. doingB. am doingC. are doing ( )(2) All the people a football match. Everybody is excited. A. watch B. is watching C. are watching ( )(3) they their stamps at the corner？ A. Does； show B. Are； showing C. Do； showing,dying,singing,dancing,writing,shopping,putting,C,C,B,考點(diǎn)2 考查有關(guān)現(xiàn)在進(jìn)行時句子的句型轉(zhuǎn)換 【例2】按要求改寫下列句子。 1. Sarah is answering the phone. (改為否定句) _ 2. They are riding a bike. (就畫線部分提問) _ 3. She cleans her desk in the classroom.（改為現(xiàn)在進(jìn)行時） _,解析:本題考查現(xiàn)在進(jìn)行時的句型轉(zhuǎn)換，要以be動詞為中心進(jìn)行變化。第1小題改否定句，只要在be動詞之后加not; 第2小題是對進(jìn)行時狀態(tài)下的活動提問，用“What doing?”，注意be動詞要與主語的數(shù)保持一致。第3小題要將原句中的謂語動詞換成“is+現(xiàn)在分詞”，因?yàn)檫@才是現(xiàn)在進(jìn)行時的正確形式。 答案：1. Sarah is not (isnt) answering the phone. 2. What are they doing？ 3.She is cleaning her desk in the classroom.,舉一反三 按要求改寫下列句子。 1. Kenny often plays the guitar on the weekend. (用now 改寫句子) _ 2. We are watching cartoons on TV now. (改為否定句) _ 3. My grandpa is writing a letter. (就畫線部分提問) _ 4. 我正在和父母親談?wù)撐业纳铡?（漢譯英） _,Kenny is playing the guitar now.,We arent watching cartoons on TV now.,What is your grandpa doing?,Im talking about my birthday with my parents.,過關(guān)檢測,一、寫出下列動詞的現(xiàn)在分詞形式。 1. play _ 2. look _ 3. study _ 4. watch _ 5. fight _ 6. wait _ 7. sing _ 8. paint _ 9. go _ 10. wash _ 11. cut _ 12. run _,playing,looking,studying,watching,fighting,waiting,singing,painting,going,washing,cutting,running,13. sit _ 14. begin _ 15. put _ 16. get _ 17. shop _ 18. swim _ 19. take _ 20. make _ 21. write _,sitting,beginning,putting,getting,shopping,swimming,taking,making,writing,二、單項(xiàng)填空。 ( )1. Look！I _ a red hat now. A. wearing B. am wearing C. is wearing ( )2. Tom _ TV in the room now. A. are watching B. is watching C. is watch ( )3. Look!Jane _ housework. A. is do B. doing C. is doing ( )4. Some of the girls _. A. sing B. is singing C. are singing,B,B,C,C,( )5. Hes _ basketball now. A. play B. is playing C. playing ( )6. They _ birds in the sky now. A. are looking at B. look at C. looking at ( )7. “Dont talk in class，”the teacher _. A. is speaking B. is saying C. says ( )8. _ you _ ball games with your friends now? A. Is; playing B. Are; playing C. Do; play,C,A,C,B,三、用所給動詞的適當(dāng)形式填空。 1. My mum _(cook) dinner for us now. 2. Sam _(not listen to) English. He is listening to music. 3. _they _(sleep) now? Yes, they are. 4. Listen!Who _(read) English? 5. Look at those old people. They are _(sing) and _(dance). 6. The children _(swim) in the lake now. 7. Look!Kate and Mary _(clean) the windows now. 8. Joan likes _(paint) very much.,is cooking,isnt listening to,Are,sleeping,is reading,singing,dancing,are swimming,are cleaning,painting,四、按要求改寫下列句子。 1. They are making dumplings. (改為一般疑問句) _ 2. Tom is listening to the teacher. (改為否定句) _ 3. He is drinking tea under the tree. (就畫線部分提問) _,Are they making dumplings?,Tom isnt listening to the teacher.,What is he doing under the tree?,4. Is Ken climbing the tree in the garden? (作肯定回答) _ 5. Tom is reading a book in his room. (就畫線部分提問) _ 6. I am waiting for a bus. (就畫線部分提問) _,Yes, he is.,Where is Tom reading a book?,What are you doing?,五、漢譯英。 1.湯姆正在寫一封信。 _ 2.我正在游泳。 _ 3.他們正在聽音樂。 _ 4.小貓正在跑。 _ 5.媽媽正在看書。 _,Tom is writing a letter.,Im swimming.,They are listening to music.,The cat is running.,My mother is reading a book.,