初中现在进行时讲解与练习.ppt

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1、Thepresentcontinuoustense现在进行时基本用法1.表示现在正在进行的动作和发生的事eg:---Whatareyoudoing?---Iamreadingabook.2.有时表示现阶段正发生的事,但此刻动作不一定正在进行eg:Heisteachingattheschool.WearelearningUnit5thesedays.3.现在进行时的句子中常有now,或在句首常出现Look!Listen!等提示词eg:Listen!Dannyissingingintheroom.Heisdoinghishomeworknow.结构:be+doing(be要根据主语作

2、人称和数的变化)句型转换1.肯定句转换成否定句,要在be后加not构成eg:WearereadingEnglishnow.WearenotreadingEnglishnow.2.陈述句转换成一般疑问句,把be动词提到句首eg:Thestudentisdrinking.Isthestudentdrinking?3.陈述句转换成特殊疑问句,由“疑问词+一般疑问句”构成eg:Heisworking.Whatishedoing?现在分词的构成1.直接加–ingeg:looklooking2.如果动词末尾有不发音的e,则去e加-ing3.以动词闭音节结尾,且末尾只有一个辅音字母的,

3、应双写此字母,再加–ing.eg:sitsitting口诀教你学doing进行时很好记,be加动词-ing;直加双写去哑e,分词构成须仔细;别说be词无词义,主语和它最亲密;变疑问be提前,否定not再后添;何时要用进行时look,listen,now标志.训练集中营写出下列动词的分词形式talk________sleep_______watch________sit________listen_________make________laugh________lie________cry________sing________cut_________write________

4、talkingsleepingwatchingsittinglisteningmakinglaughinglyingcryingsingingcuttingwriting一.用所给动词的适当形式填空.1.Look!Thecat____________(run)upthetree.2.Thetwins__________(have)breakfast.3.----___he________(clean)theblackboard?----No,heisn’t.4.Tom__________(play)thepianointheroom.Pleaseaskhimtocomehere.

5、5.Listen!They____________(sing)intheclassroom.isrunningarehavingIscleaningisplayingaresinging汉译英1.我们正在看电视.2.他们正在打扫教室.3.汤姆正在吃早饭.4.那对双胞胎正在睡觉.WearewatchingTV.Theyarecleaningtheclassroom.Tomishavingbreakfast.Thetwinsaresleeping.5.男孩子们正在踢足球.6.她正在铺床.7.我正在玩电脑游戏.8.你们正在听磁带吗?Theboysareplayingsoccer.She

6、ismakingthebed.Iamplayingcomputergames.Areyoulisteningtothetape?二.选择填空.1.Mymotheris_____TV.A.lookingatB.seeingC.readingD.watching2.---____you____abook?---Yes,Iam.A.Do,readB.Are,readC.Are,readingD.Are,looking3.Kate_____,theothers_____.A.sing,listenB.issinging,islisteningC.sing,arelisteningD.is

7、singing,arelistening4.I___myeraser,butIcan’t______it.A.lookfor,findingB.amfinding,lookforC.amlookingfor,findD.find,lookfor选择适当的动词,用动词的适当形式填空watchhavetalktakecomecomb梳playgetsaylisten1.Lilysays”I_____threemarkers（记号笔）andmysister____one”2.Iwant