小学英语 句型转换(一变二找三换四移).ppt

浅尝辄止小学英语常见的几种句型转换,题型（一）变一般疑问句,be动词有三种形式，他们分别是：,isamare,be动词,Be动词的用法口诀I(我)用am；you(你)用are,is连着他(he)，她(she)，它(it)；单数名词要用is,复数名词全用are。,can（可以，能够）,will（将要）,should（应该）,情态动词,助动词,do（原形）did(过去式）does（三单）,否定形式:dont否定形式:didnt否定形式:doesnt,一般疑问句概念,简单地说，能用Yes/No(或相当于Yes/No)回答的疑问句叫一般疑问句。,一般疑问句的特点,1）由be动词(is,am,are)来开头eg:Issheyourteacher?2）由情态动词(如：canwill）来开头eg:Canyougivemeahand?3）由助动词（如：do，does）来开头eg:Doesheplaysportseveryday?,一般疑问句的回答:,一般疑问句常用Yes或No回答.肯定回答：Yes,主语be(情态动词、助动词)否定回答：No,主语be(情态动词、助动词)not,如何将一个肯定的陈述句改为一般疑问句,秘诀一：找be动词或情态动词,看句中有无be动词或情态动词，如有，把be动词或情态动词提到句首即可。,1.WecanspeakEnglish,CanyouspeakEnglish？,2.ThesingingcontestisinMay.,IsthesingingcontestinMay？,3.IamanEnglishteacher.,AreyouanEnglishteacher?,如果原句子没有be动词也没有情态动词，怎么办？,助动词（do/does）+主语+动词原形+其它？,不管用哪种秘诀，都不要忘记在句子最后打上哦！,秘诀二：请助动词来帮忙,即在句子前加助动词do或does来构成一般疑问句,例：Johnlikessummerbest.,Johnlikesummerbest?,打回原形,Does,1.TheycomefromShanghai.(改为一般疑问句)2.MissXionglivesinHuizhou.(改为一般疑问句),DotheycomefromShanghai?,DoesMissXiongliveinHuizhou？,加点难度试试？,3.Danielenjoysplayingcomputergames.(改为一般疑问句并分别做肯定、否定回答),DoesDanielenjoyplayingcomputergames?,Yes,hedoes.,No,hedoesnt.,Exercise,Now,youtry!,牛刀小试-将下列句子改为一般疑问句,1.Ioftengetupat7oclock.-(P2)2.Wefinishclassat1oclock.-(P4)3.Fridayisgoodatsports.-(P9)4.Icansleepallday.-(P12)5.Thecoloursareverypretty.-(P17),Doyouoftengetupat7oclock?,Doyoufinishclassat1oclock?,IsFridaygoodatsports?,Canyousleepallday?,Arethecoloursverypretty?,6.Therearebeautifulflowerseverywhere.(P18)7.Robinlikesthemall.-(P19)8.WellgototheGreatWall.-(P27)9.Thepartywillstartat7p.m.-(P29)10.TherewillbeamathstestnextMonday.(P31),Aretherebeautifulflowerseverywhere?,DoesRobinlikethemall?,WillyougototheGreatWall?,Willthepartystartat7p.m?,WilltherebeamathstestnextMonday?,题型（二）改为否定句,否定句：表示否定的意思,如：我不是一个医生。Iamnotadoctor.他不去上学。Hedoesnotgotoschool,如何将一个肯定句改为否定句,秘诀一：找be动词或情态动词,如果句子里有be动词(is/am/are）或者情态动词（如can/will）,就在这些词后加not构成否定句缩写形式：isnot=isntarenot=arentcannot=cantwillnot=wontamnot不能缩写,Youcannotpickapples.,例句：HeisTom.(改为否定句),HeisnotTom.,Youcanpickapples.,isnt,cant,如果原句子没有be动词也没有情态动词，怎么办？,秘诀二：找助动词的否定形式（dont/doesnt/didnt）帮忙,如果句子里的谓语动词不是be动词也不是情态动词，就在主语后面加dont/doesnt/didnt。注意：主语是第三人称单数用doesnt，其余用dont用了doesnt后，原句子的动词要打回原形。,Hedoesntswimeveryday.,例句：Ilikeautumn.(改为否定句),Idontlikeautumn.,Heswimseveryday.(改为否定句),打回原形,第三人称单数,Exercise,Now,youtry!,牛刀小试-将下列句子改为否定句,1.Ioftengetupat7oclock.-(P2)2.Wefinishclassat1oclock.-(P4)3.Fridayisgoodatsports.-(P9)4.Icansleepallday.-(P12)5.Thecoloursareverypretty.-(P17),Idontoftengetupat7oclock.,Wedontfinishclassat1oclock?,Fridayisnotgoodatsports.,Icannotsleepallday.,Thecoloursarenotverypretty.,isnt,cant,arent,6.Therearebeautifulflowerseverywhere.(P18)7.Robinlikesthemall.-(P19)8.WellgototheGreatWall.-(P27)9.Thepartywillstartat7p.m.-(P29)10.TherewillbeamathstestnextMonday.(P31),Therearenotbeautifulflowerseverywhere.,Robindoesntlikethemall.,WewillnotgototheGreatWall.,Thepartywillnotstartat7p.m.,TherewontbeamathstestnextMonday.,arent,wont,wont,题型（三）就划线部分提问,特殊疑问句特点：用疑问词开头，常用来对句子的某一成分进行提问因为是提问具体的人或事、时间、地点、原因等，因此不能用yes或no来进行简单回答。,例如：Whatclassareyouin?(你在哪个班？)IminClassFour,GradeFive.(我在五年级四班。),特殊疑问句其实就是用疑问词引导的疑问句它的结构就是：,特殊疑问句=特殊疑问词+一般疑问句！,常用的特殊疑问词：,What-问“什么”When-问“什么时候”Where-问地点“哪里”Which-问“哪一个Why-问“原因”Who-问人物“谁？”Whatcolour-问“颜色,How-问“怎样”Howold-问“年龄”Howmany-问“多少”,如何对划线部分进行提问,一变：先将句子变为一般疑问句；二找：审句意，找出特殊疑问词；三换：用特殊疑问词代替划线部分；四移：把特殊疑问词移到句首。,做道题试试吧！,Wehaveafewfunthingsinspring.,一变：先将原句子变为一般问句,二找：提问什么事情或事物用what,三换：用what代替划线部分,四移：将特殊疑问词what放在句首,Doyouhaveafewfunthingsinspring?,Doyouhavewhatinspring?,Whatdoyouhaveinspring?,再来一道简单的！,Sheismysister.,一变：先将原句子变为一般问句,二找：提问人用疑问词who,三换：用who代替划线部分,Sheiswho.,四移：把who移到句子开头(大写,Issheyoursister?,Isshewho?,Whoisshe?,再来一道难点的！,一变：将原句子变为一般疑问句,二找：问颜色用whatcolor,三换：用whatcolor代替划线部分,Thejacketisred.,四移：把whatcolor移到句子开头（注意大写）,Isthejacketred？,Isthejacketwhatcolor？,Whatcoloristhejacket?,再来一道更难的！,Thebooksareunderthebed.,一变：将原句变为一般疑问句,二找：问地点用where,三换：用where代替划线部分,四移：把where移到句子开头（注意大写）,Arethebooksunderthebed?,Arethebookswhere?,Whererethebooks?,再来一道更难的！,Theboyis10yearsold.,一变：将原句变为一般疑问句,二找：对年龄提问用howold,三换：用howold代替划线部分,四移：把howold移到句子开头，大写,Istheboy10yearsold?,Istheboyhowold?,Howoldistheboy?,再来一道更难的！,Theyoftengoshoppingontheweekend.,一变：将原句子变为一般疑问句,二找：提问做什么事情用Whatdo,三换：用whatdo代替划线部分,四移：把what移到句子开头，do不动。,Dotheyoftengoshoppingontheweekend?,Dotheyoftenwhatdoontheweekend?,Whatdotheyoftendoontheweekend?,Exercise,Now,youtry!,1.Thatisabike.2.TreePlantDayisinMarch.3.HeisRobin.4.Weeatlunchathome.5.Thebikeisblack.6.Wefinishclassat1oclock.,Whatisthat?,WhenisTreePlantingDay?,Whoishe?,Whatshisname?,Wheredoyoueatlunch?,Whatcoloristhebike?,Whendoyoufinishclass?,Whatsthat?,7.Thebookisinthebag.8.Hegetsupat6oclock.9.Iwillvisitmygrandparentsnextweekend.10.Hewillgoonapickatthepark.11.Ilike