四年级现在进行时讲解及练习

现在进行时态讲解：1.现在进行时：表示正在进行的或正在发生的动作。2.标志词：now,look,listen3.句子的结构如下：be+动词ing（be的三种形式：am,is,are）例如：1.Iamlisteningtothemusicnow.2.Thechildrenaredrawingpicturesnow.3.Listen!Sheissinging.4.Look!MrLiisplayinggames.肯定句：主语+be+动词ing+---例:Sheissinging否定句：主语+be+not+动词ing+---例:Sheisnotsinging一般疑问句：Be+主语+动词ing+---?例：Isshesinging?特殊疑问句：特殊疑问词+be+主语+动词ing+--?例：Whatisshedoing?4.动词的ing形式有如下方法：A.一般情况在动词后直接加ing:go—going;wash—washing;fly—flyingB．以不发音的e结尾，去掉e加ing:drive—driving;ride—ridingC.某些单词要双写词尾的字母：swim—swimming;run—runing下列单词要双写：get(得到)forget(忘记)put(放cut（切）sit(坐)skip（跳绳）shop（购物）stop（停）begin（开始）run（跑）swim（游泳）dig（挖）三、教学练习一）.写出下列动词的现在分词。1.play2.run3.swim4.make5.go6.like7.write8.ski9.read10.have11.sing12.dance二）.用所给动词的正确形式填空。1.Theboy(draw)apicturenow.2.Listen,somegirls(sing)intheclassroom.3.Mymother(cook)somenicecakesnow.4.Whatyou(do)now?5.Look!They(have)anEnglishclass.6.They(sit)onthechairnow.7.Look!Thegirls(dance)intheclassroom.8.Whatisourdaughterdoing?Sheis(listen)tomusic.9.It’s5o’clocknow.We(have)dinnernow.10.---Helen(wash)clothesnow?---Yes,sheis.能力提升三、单项选择.（）1.Lookattheboy,hebadminton.A.playingB.isplayC.isplaying()2.Thechildrenthenlongjump.A.isdoingB.aredoingC.aredo()3.Theycan’tbethewinner,theyrun.A.slowlyB.slowC.fast()4.Sallycan’tcatchJanet.A.forB.upC.to选择最佳答案。()1.Whatareyoudoing?A.No,sheis.()2.Whatisthemandoing?B.Yes,Iam.()3.Areyouplaying?C.Wearetalking.()4.Istheladydancing?D.He’scooking.()5.HappyBirthday.E.Heisfifteenyearsold.()6.Howoldisyoursister?F.Thankyou.()7.Howoldisyourbrother?G.Sheisthirteenyearsold.1、写出下列动词的现在分词1.put2.see3.buy4.love5.live6.take7.come8.get9.stop10.sit11.begin12.shop2.用所给词的正确形式填空1.Mr.Zeng(read)abooknow.2.Therabbits(jump)now.3.Look!TomandJohn(swim).4.Mybrotheris(read)abookinhisroomnow.5.Look!Thebuses(come).6.We(have)anEnglishclassnow.7.Look!Somegirlsare(skip).8.They(look)forabirdnow.9.He(do)hishomeworknow.10.They(fish)now.3.选择最佳答案()5.theyfastnow?A.Is---runningB.Are----runningC.Do---running()6.It’s12:00now.IwanttohaveA.breakfastB.dinnerC.lunch()7.Thechildrenarerunning.Don’tthefield.A.acrossB.crossC.run()8.Oh,theboyisfalling.A.inB.upC.over