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丰义小学5B语法复习
(一)现在进行时
一、现在进行时的概念现在进行时表示现在正在进行或发生的动作,或者过去一段时间到现在持续发生的动作例如He isdoing hishomework now.他正在做他的家庭作业Look,they areflying kites.看,他们正在放风筝Listen,she issinging.听,她正在唱歌Its nineten.We arehaving anEnglish class.现在九点十分,我们正在上一节英语课
二、现在进行时的结构句式结构主语+助动词be(am,is,are)+现在分词(动词的ing形式)+其他成分
三、现在进行时的用法
1、助动词be应随人称的变化而变化第一人称单数用am,第二人称用are,第三人称单数用is,第
2、现在进行时常与一些标志性的词或词组连用,例如It5s+time现在....点,now现在,look看,listen听,at themoment止匕亥U......We arereading theEnglish booksnow.They areplaying footballat themoment.Its halfpast three.The boyis swimmingwith hisfriends.注意be动词之后加动词的ing形式
3、现在进行时的疑问句将be动词提前例如Are theysinging anEnglish song肯定回答Yes,they are.否定回答No,they arent.Is the boy runningafter thecat(theboy就相当于he)肯定回答Yes,he is.否定回答No,he isnt.Is your sister dancingnow(yoursister就相当于she)肯定回!答Yes,she is.否定回答No,she isnt.Hello,Helen.Are youreading astorybook(问句中的you表示你时,用I来回答)肯定回答Yes,I am.否定回答No,Tm not.Hi,Mike andJim.Are youmaking apuppet(问句中的you表示你们时,用we来回答)肯定回答Yes,we are.否定回答No,wearent
4、现在进行时的否定句式,在be动词的后面加否定词not例如I amnot playing the piano.=Im notplayingthepiano.You are not cleaning the bedroom.=You arentcleaningthebedroom.The boyis notdrawing the picture now.=The boyisnt drawingthepicturenow She is notsinging inthe musicroom.=She isntsinging inthe musicroom.They arenot growing the flowers.=They arentgrowingtheflowers.牢记以下缩写形式与完整形式Im=I amwere二we areyoure=you arethey9re=they arehes=heisshes二she isits=it isarent=arenotisnt=is not
四、固定搭配的词组like,likes,do some,go这些词的后面也要用动词的ing形式例如:I likesinging,but mysister likesdancing.Jim,your bedroomis dirty.Lets dosome cleaningand washing.Shall wego shoppingtomorrow
五、不规则动词的ing形式动词原形动词ing形式动词原形动词ing形式动词原形动词ing形式put puttinghave havinglie lyingcut cuttingmake makingsit sittingwrite writingget gettinggive givingjog joggingmove movingrun runningtake takingswim swimmingdance dancingbegin beginningclose closingshop shoppinglive livingplan planninguse usingforget forgettingcome comingskate skatingride riding。