初一英語—現(xiàn)在進(jìn)行時(shí)

1、現(xiàn)在進(jìn)行時(shí)的講解與練習(xí)。（一）基本用法：（1）表示（說話瞬間）正在進(jìn)行或發(fā)生的動(dòng)作。I misiting my friends now.（2）也可表示當(dāng)前一段時(shí)間內(nèi)的活動(dòng)或現(xiàn)階段正在進(jìn)行的動(dòng)作或存在的狀態(tài)。He is always working hard.他總是非常努力地工作。（表示贊揚(yáng)）（二）謂語構(gòu)成：be （am/ is/ are） + v-ing （動(dòng)詞的現(xiàn)在分詞）【注意】be動(dòng)詞要與主語的人稱和數(shù)保持一致。如：I mwatching TV now.我現(xiàn)在正在看電視。They iplaying football. 他們正在踢足球。（三）現(xiàn)在分詞的構(gòu)成。（1） 一般情況下在動(dòng)詞詞尾加in

2、g。gotgoingask （問，詢問）宀askinglook 宀looking（2）以不發(fā)音的e結(jié)尾的動(dòng)詞，去掉 e加ing。have t havingtake t taking make （做，制造）t makingwrite （寫）t writ ing（3） 以一個(gè)輔音字母結(jié)尾的重讀閉音節(jié)，雙寫最后一個(gè)字母，再加-ing。get t gettingsit （坐） t sitting put （放） t puttingrun（跑）t runningswim t swimmingbegin （開始）t beginningshop t shopping（4）特殊形式 lie-lyingdie-

3、dying（四）現(xiàn)在進(jìn)行時(shí)態(tài)的肯定式、否定式、疑問式及簡略回答。（1）肯定式：主語 +be+ v-ing +其他He is running. 他正在跑。The stude nts are clea ning the room now .（2）否定式：主語 +be+ n ot+ v-i ng +其他He is not running.The students aren cleaning the room now.這些學(xué)生現(xiàn)在沒有在打掃房間。（3）一般問句：be動(dòng)詞提前?！?Be主語+v-ing+其他？ ”肯定答語Yes，主語+ be.否定答語 No，主語+ be not.Is he runnin

4、g?Yes, he is. No, he isnt.Are The stude nts clea ning the room now? Yes, they are. No, they arent.（4） 特殊問句式：疑問詞+be +主語+ v-ing +其他？ ”a. 對謂語動(dòng)詞進(jìn)行提問的：What + be +主語+ doi ng +其他？What is the old man doing under the tree? 那個(gè)老人正在樹下面做什么呢？b. 對其他成份進(jìn)行提問的，疑問詞+般疑問句？Where is the boy swimmi ng? 那個(gè)男孩正在哪里游泳？Who is she

5、 waiting for? 她正在等誰呢？五、現(xiàn)在進(jìn)行時(shí)與一般現(xiàn)在時(shí)的區(qū)別（一）現(xiàn)在進(jìn)行時(shí)表示動(dòng)作的暫時(shí)性，而一般現(xiàn)在時(shí)表示動(dòng)作的習(xí)慣性和經(jīng)常性I am watchi ng TV now.（暫時(shí)性）我現(xiàn)在在看電視。I watch TV every day.（經(jīng)常性）我每天都看電視。（二）現(xiàn)在進(jìn)行時(shí)可表示短暫性動(dòng)作，而一般現(xiàn)在時(shí)表示長久性動(dòng)作。Lucy is livi ng in Beiji ng.（短時(shí)間居?。┞段鲿簳r(shí)住在北京。Lucy lives in Beiji ng.（長久性居?。┞段髟诒本┚幼』蛏睢＃ㄈ┈F(xiàn)在進(jìn)行時(shí)表示的動(dòng)作可帶有感情色彩，而一般現(xiàn)在時(shí)所表述的動(dòng)作通常是事實(shí)。You

6、re always forgetting the most important things. （責(zé)備）你總是愛忘記最重要的事 情。He is always helpi ng others.（贊揚(yáng)）他一直都在幫助他人。He ofte n helps others.（事實(shí)）他經(jīng)常幫助別人。（四）有些動(dòng)詞不能用進(jìn)行時(shí)，know, understand, love, like, hate, wish, want, think, hope, have,believe, agree, hear, see, notica這些動(dòng)詞通常用一般現(xiàn)在時(shí)表示說話時(shí)發(fā)生的動(dòng)作。1）表示 擁有的動(dòng)詞。如have （ha

7、s）等。例句：I have a nice bike now.（我現(xiàn)在有一輛漂亮的自行車。）不能說成 ：I am having a nice bike now.2）有些表示感覺的感官動(dòng)詞。如：see, find, look （看起來），hear （聽見）等。例句：We see him.（我們看見他。）不能說成： We are see ing him.但是，有些表示感覺的動(dòng)詞，如：listen to, look at等可用現(xiàn)在進(jìn)行時(shí)。女口： They are listening to the teacher.（他們在聽老師講課。）3）表示 喜歡厭惡的動(dòng)詞。如：like, love, hate （討

8、厭）等。例句：We love our country.（我們熱愛祖國。） 不可說:We are loving our country.4）表示知識(shí)或腦力的動(dòng)詞。如：think, know, forget等。例句：I think you are right.（我認(rèn)為你是對的。） 不能說成：I am thinking you are right.5）表示狀態(tài)的be動(dòng)詞是”例句：She is at home.（她在家。） 不能說成： She is being at home.6）表示希望”、愿望” 心愿”等的動(dòng)詞。如：want等詞。例句：I want to see her now.（我現(xiàn)在就想見到她

9、。）不能說成：I am wan ti ng to see her now.【典型例題】一、寫出下列動(dòng)詞的現(xiàn)在分詞形式work sing play studyhave dance write takerun sit shop swimlie die begi n get二、用括號(hào)內(nèi)所給單詞的適當(dāng)形式填空。1. Look! There(be) a lot of people over there. Whatthey(do) now?2. Whatyour mother(do)? She is a teacher.3. It(rai n) heavily outside now. You must

10、stay at home.4. Don t sing. The baby(sleep).5. My brother(no t like) play ing basketball, but he(like) play ing football.6. Whatyou usually(do) on Sun day?I usually(stay) at home and(do) my homework.7. Liste n! The girls(sing) in the n ext room.8. My sister(wa nt) to be a teacher.9. It s seven ocloc

11、k now. The Greens(have) supper.10. He often(swim) on Sun days. Look! He(swim) at the pool.三、單項(xiàng)選擇1.1 wa nthomework now.A. doingB. to doC. to do myD. do my2. It s timeA. go to schoolB. play gamesC. to go homeD. to do my homeworks3. The boy isto his teacher.A. say ingB. speak ingC. talki ngD. telli ng4

12、. I ma book in the room.A. watch ingB. see ingC. readi ngD. looki ng5. Wherehefrom?A. is, comeB. do, comeC. does, comeD. is, froi6. Do they have a new car? Yes,A. they areB. they haveC. they don tD. they do7. He ofte nsupper at 6:00 in the evening.A. haveB. hasC. is havi ngD. is eati ng8. It s 6 ocl

13、ock in the morning. HeA. get upB. gets upC. is geti ng upD. is gett ing up9. What are you doing? I mTVA. watchB. watchesC. to watchD. watch ing10. Weany Chin ese classes on Friday.A. are hav ingB. aren t havingC. don t haveD. are have11. Toman En glish class now.A. is havi ngB. hasC. havi ngD. have1

14、2. Are you playi ng basketball? No, we.A. isn t B. aren tC. notD. don t四、按要求改寫句子1. The boy is play ing basketball.否定句：一般疑問句：肯定回答：否定回答：對“The boy提問：2連詞成句1）read .a new book.2）clea n the blackboard.3）she, the window, open, now.（用現(xiàn)在進(jìn)行時(shí)連詞成句.）4）The birds are singing in the tree.（就戈U線部分提問）5）is,who,the windo

15、w, cleaning?（連詞成句）6）The children are playing games near the house.（就劃線部分提問 ）7）She is closing the door now.（改成否定句 ）8）You are doing your homework.（用 T 作主語改寫句子 ）9）they, the tree, sing, now, un der.（用現(xiàn)在進(jìn)行時(shí)連詞成句.）10）The Young Pioneers are helping the old woman.（改成一般疑句 ）11）Look! Lily is dancing.（改為一般疑問句）12）Kate is looking for her watch.（改為否定句）13）Mrs White is watching TV.（劃線部分提問）14）I am doing homework.（改為否定句）15）They are waiti ng f