初中英语语法系列.ppt

ReviewOfTenses,现在进行时态,1.含义：表示现在正在进行或一段时间正在进行的动作标志词：now,look,listen等。2.构成：be+V-ing,现在进行时的含义与构成,Heisreadingabook.,3.V-ing变化规则：1）一般加ing.如:play-playingwatch-watching以不发音的e结尾,去e加ing.如:take-takingcome-coming元+辅结尾,且是重读闭音节的单词,双写辅音字母+ing.如:run-runningswim-swimming,练习1.写出下列动词的ing形式.1.help_e_3.swim_4.eat_5.give_6.find_7.sit_8.write_,Whatishedoing?Heisplayingbasketball.,Whatistheboydoing？Heissinging.,-Isthewomanwriting?-No,sheisnt.Sheisreadingabook.,-Whatretheydoing?,-Theyreswimming.,-Aretheyswimming?,-Yes,theyare.,-Aretheysinging?-No,theyarent.Theyarentsinging.Theyaredancing.,Arethey_abook?No,they_._arethey_?Theyre_.,reading,arent,What,doing,writing,Isthegirl_(get)up?No,she_.What_she_?She_.,getting,isnt,is,doing,issleeping,2.否定句：直接在be后加not.如：Iamwriting.Iamnotwriting.,现在进行时的句式,1.肯定句:主语+be+v-ing+其它.如:Iamreadingabook.,3.一般疑问句及回答:问句,直接把be提前,肯定回答:Yes,主语+be否定回答:No,主语+be+not-Areyoudrawing?-Yes,Iam./No,Imnot.,达标训练,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,heisnt.4.Tom_(play)thepianointheroom.Pleaseaskhimtocomehere.5.Listen!They_(sing)intheclassroom.,isrunning,arehaving,Is,cleaning,isplaying,aresinging,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.,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.issinging,arelistening4.I_myeraser,butIcant_it.A.lookfor,findingB.amfinding,lookforC.amlookingfor,findD.find,lookfor,三.句型转换1.Iamwateringtheflowers.(否定句)2.Shesjumpingnow.(一般疑问句)3.Theboysareplayingcards.(划线提问)4.Heisdoinghishomework.(复数句),Iamnotwateringtheflowers.,Isshejumpingnow?,Whataretheboysdoing?,Theyaredoingtheirhomework.,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.,Sheismakingthebed.,Iamplayingcomputergames.,Areyoulisteningtothetape?,1、我的妈妈正在做早饭。Mymotherismakingbreakfast.2、我正要和我的朋友去看电影。Iamgoingtomovieswithmyfriend.3、他正在弹吉他吗？Isheplayingtheguitar?4、她不在拉小提琴。Sheisntplayingtheviolin.5、她们在干什么？正在打篮球。Whataretheydoing?Theyareplayingbasketball.6、Lucy和Mary正在打排球。LucyandMaryareplayingvolleyball.,过去进行时态,1.意义：,2.构成：,3.标志词：,表示在过去某一时刻正在进行的动作。,was/were+doing,否定式：,was/werenot+doing,疑问式：,Was/Weredoing?,atthis/thattimeyesterdayat9:00lastnightwas/weredoingwhen.did.,cookameal,atthistimeyesterday,Hewascookingamealatthistimeyesterday.,rideahorse,atninelastSunday,HewasridingahorseatninelastSunday.,playfootballatfouroclocklastFriday,HewasplayingfootballatfouroclocklastFriday.,thistimeyesterday,cleantheclassroom,Shewascleaningtheclassroomthistimeyesterday.,attenoclockyesterdaymorning,sweepthefloor,yesterdayafternoon,haveaclass,atfiveoclockplayfootball,playbasketballwhentheteachercamein,readabookyesterdayafternoon,swimatthistimeyesterday,writealetterwhenhermothercamehome,一用所给动词的适当形式填空1What_you_(do)atnoonyesterday?2)I_(watch)TVwhenmymother_(come)in.3)He_(do)hislessonsattenyesterdaymorning.,were,doing,waswatching,came,wasdoing,4)Thechildren_(play)footballatfouryesterdayafternoon.5)Thebaby_(sleep)whenthemothercameback.,wassleeping,wereplaying,二.完成下列句子1）LiLei_(在读英语）atthistimeyesterday.,wasreading,2)They_(在扫地）afterschoolyesterday.3）Theboysandgirls_(在唱歌）lastnight.4)You_（在打篮球)yester