仁爱英语七下现在进行时课件.ppt

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1、语法专题现在进行时现在进行时一、含义：现在进行时表示现在（即说话人说话的时刻）正在进行的动作或正在发生的事情，现在进行时的标志性词语有now,look,atthemoment,listen等二、现在进行时基本结构主语+be动词+动词的现在分词IamHe/SheWe/You/Theyisarewriting.speaking.running.结构:be+doing(be要根据主语作人称和数的变化)用现在进行时完成下列句子:1.What______youdoing?2.I_____singinganEnglishs

2、ong.3.What_____shedrinking?4.He_____drivingacar.5._____youflyingakite?Yes,_______.6.____shesittingintheboat?7.______youaskingquestions?8.We_____playinggamesnow.areamisisAreIamIsAreExercisesare现在进行时现在分词的构成规则：1.一般在动词词尾加-ing，如：read-reading2.以不发音e结尾，去e加-ing，如：wr

3、ite-writing3.以重读闭音节结尾的动词，末尾只有一个辅音字母，应先双写这一字母，再加-ing。Eg：swim-swimmingrun-runningcut-cuttingshop-shoppingsit-sitting特殊变化：lie-lying平躺，die-dying死亡请写出下列动词的现在分词speakplaytalksinglistendowritedrivedancesitputswimputrunspeakingplayingtalkingsinginglisteningdoingwriti

4、ngdrivingdancingsittingputtingswimmingputtingrunning现在进行时现在进行时的四种句式：1.肯定句—主语+be+doingEg:Iamdoingmyhomework.2.否定句—主语+be+not+doingEg:Iamnotdoingmyhomework.3.一般疑问句—be提到句首（注意人称变化）Eg:Areyoudoingyourhomework?4.特殊疑问句：特殊疑问词+一般疑问句Eg:Whatareyoudoingnow?句型转换1.肯定句转换成否定句

5、,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?句型转换：1.Theyarecleaningthehouse.（一般疑问句）3.Tomissinging.（改为否定句）4.Kate

6、is______________________（划线提问）5.Sheissitting________________（划线提问）puttingonhernewskirt.nearthewindow.Aretheycleaningthehouse?Tomisnotsinging.WhatisKatedoing?Whereisshesitting?Someexercises.用现在进行时改写下列句子.1.Shesitsunderthetree.Sheissittingunderthetree.2.Ieataha

7、mburgerandsomefruit.Iameatingahamburgerandsomefruit.3.TheycleantheclassroomTheyarecleaningtheclassroom.1.Thechild__________thewindowsnow.(open)2.Theboy_________apicturenow.(draw)3.Look!She__________abook.(read)4.I___________ane-mailtomypenpalnow.(write)5.You

8、________yourhomeworkathomenow.(do)6.We___________atschoolnow.(run)7.They____________TVnow.(watch)isopeningisdrawingisreadingamwritingaredoingarerunningarewatchingFillintheblanks:用所给动词的适当形式填空1.Lo