五年级英语下册 期中复习课件PPT 语法

期中复习语法现在进行时语法01概念和句型结构1.现在进行时态表示现在（说话瞬间）正在进行或发生的动作。例如：Thestudentsarelisteningtotheteacher.HeiswatchingTVnow.概念2.现在进行时态还可以表示当前一段时间内的活动或现阶段正在进行的动作。如：Weareworkingonafarmthesedays.Iamwritingabookthisyear.现在进行时是由be(am/is/are)+动词ing形式构成的。 肯定式结构：主语+be+动词ing形式+其他。否定式结构：主语+be+not+动词ing形式+其他。一般疑问句式结构：Be+主语+动词ing形式+其他？ 特殊疑问句式结构：疑问词+be+主语+其他？句型结构02动词的现在分词的构成010203一般情况下，直接在动词词尾加ing.以不发音的字母e结尾的动词,去e加ing.重读闭音节要双写结尾的辅音字母加ing.eg.read---readingsing---singingeg.dance---dancingwrite---writingswim---swimmingrun---runningsit---sittingcut---cuttingput----putting写出下列动词ing形式（动名词形式） help---come---swim---eat---give---see---helpingcomingswimmingeatinggivingseeing03句型转换1.肯定句变否定句在be动词后加not，some变any，其他部分照抄。amnot不能缩写   isnot=isn’tarenot=aren’tLilyiswateringsomeflowers.Lilyisn’twateringanyflowers.Myfriendsareplayinggames.Myfriendsaren’tplayinggames.2.肯定句变一般疑问句。be动词提至句首，首字母大写，第一人称变第二人称，some变any，句尾用问号声调朗读。Amyiswateringsomeflowers.IsAmywateringanyflowers?They’recleaningtheirdesk.Aretheycleaningtheirroom?肯定回答：Yes,人称代词 +be.否定回答：No,人称代词 +be+not.(常缩写)3.肯、否定回答。IshewatchingTVnow?Yes,heis.No,heisn\'t.Aretheycleaningtheroom?Yes,theyare.No,theyaren\'t.Areyoufishing?Yes,Iam.No,I\'mnot.04特殊疑问句Theyareplayingfootballatschool.Whataretheydoingatschool?Lucyisreadingabook.WhatisLucydoing?Tomisplayingfootball.Whoisplayingfootball?Hisfriendsareplaying.Whoareplaying?2.画线部分是主语。Who+be+其他?1.画线部分是动词或动词词组What+be+主语+doing?Peterisdoinghishomeworkathome.Whereisshesitting?3.画线部分是地点。Where+be+其他?Sheissittingnearthewindow.WhereisPeterdoinghishomework?课堂小测做一做1.—Whatareyoudoing?—I________.A.eatB.caneatC.eatingD.ameating2.Wewant________thisbooknow.A.readingB.amreadingC.readD.toread3.Ourteacheris________aredsweater.A.putingonB.putonC.wearingD.wear4.Thatboyisn’t________theteacher.A.listenB.listensC.listeningD.listeningtoDDDC5.It’seighto’clock.Jim’sfamily______TV.A.iswatchingB.arewatchingC.watchD.towatch6.Mymotheris______acake______mybirthday.A.making,toB.making,forC.doing,toD.doing,for7.Letme_______thesebooksinthebox.A.putsB.putC.toputD.putting8.—______you______thewindow?—Yes,Iam.A.Do,cleanB.Is,cleaningC.Are,cleaningD.Do,cleaningBBBCTHANKYOU