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1、第四章第四章 動詞和時態(tài)動詞和時態(tài)第三節(jié)第三節(jié) 現在進行時現在進行時 知識梳理知識梳理一、現在進行時的用法現在進行時表示現在正在進行或正在發(fā)生的動作，也可以表示當前一段時間內的活動或現階段正在進行的動作。句型結構是：be+ving形式（現在分詞）。標志時間詞：now，look，listen，over there，look at，Its+時間等。二、現在分詞的變化規(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結尾的動詞，去e再加ing。如：writewriting,comecoming,taketaking 3.以重讀閉
2、音節(jié)結尾，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結尾的動詞，將ie改為y,再加ing。如：diedying,lielying三、現在進行時的句型結構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 ar
3、e 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 i
4、s./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?考點精析考點精析考點考點1 考查現在進行時的用法考查現在進行時的用法【例1】用所給動詞的適當形式填空。1.She(draw)a map now.2
5、.Listen!The boys(sing).解析:本題考查填動詞的適當形式，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，都要用現在進行時；同時，注意ving 之前一定要根據主語的形式加上相應的be動詞。答案：1.is drawing 2.are singing舉一反三 1.寫出下列動詞的現在分詞形式。(1)sing _ (2)dance _ (3)write _(4)shop _ (5)put _ (6)die _ 2.單項填空。()(1)Mum and I housework now.A.doingB.am doingC.are doin
6、g()(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 dyingsingingdancingwritingshoppingputtingCCB考點考點2 考查有關現在進行時句子的句型轉換考查有關現在進行時句子的句型轉換【例2】按要求改寫下列句子。1.Sarah is answering the phone.(改
7、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.（改為現在進行時）_ 解析:本題考查現在進行時的句型轉換，要以be動詞為中心進行變化。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動詞要與主語的數保持一致。第3小題要將原句中的謂語動詞換成“is+現在分詞”，因為這才是現在進行時的正確形式。答案：1.Sarah is not(isnt)answering the phone.2.What are they do
8、ing？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.我正在和父母親談論我的生日。（漢譯英）_Kenny is playing the guitar now.We arent watching cartoons on TV n
9、ow.What is your grandpa doing?Im talking about my birthday with my parents.過關檢測過關檢測一、寫出下列動詞的現在分詞形式。1.play _ 2.look _ 3.study _ 4.watch _ 5.fight _ 6.wait _ 7.sing _ 8.paint _ 9.go _ 10.wash _ 11.cut _ 12.run _playinglookingstudyingwatchingfightingwaitingsingingpaintinggoing washingcuttingrunning13.s
10、it _ 14.begin _15.put _ 16.get _17.shop _ 18.swim _19.take _ 20.make _21.write _sittingbeginningputtinggettingshoppingswimmingtakingmakingwriting二、單項填空。()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 _
11、housework.A.is do B.doing C.is doing ()4.Some of the girls _.A.sing B.is singing C.are singingBBCC()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._
12、you _ ball games with your friends now?A.Is;playing B.Are;playing C.Do;playCACB三、用所給動詞的適當形式填空。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).
13、6.The children _(swim)in the lake now.7.Look!Kate and Mary _(clean)the windows now.8.Joan likes _(paint)very much.is cookingisnt listening toAresleepingis readingsingingdancingare swimmingare cleaningpainting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)
14、_ 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.
小升初英語總第四章 動詞和時態(tài) 第三節(jié) 現在進行時
