学习必备欢迎下载初中英语句型转换一、肯定句改的方法——一步法1.有be动词(isareamwerewas)/情态动词(can,could,will,would,shall,should,must,may)的。在be动词/情态动词后后加not。2.无be动词/情态动词,一般现在时在动词前加don’t第三人称单数前doesn't/一般过去式didn’t。3加doesn't/didn’t的句子注意,句子动词要变成原型。二、肯定句改一般疑问句的方法——三步法1.有be动词/情态动词:be动词/情态动词提到句首,其余照抄,(some改成any,第一人称变为第二人称my改成your,I改成you,we改成you,our改成your)句末用问号。2.无be动词/情态动词,在句首加Do/Does/Did,其余照抄,(some改成any,第一人称变为第二人称my改成your,I改成you,we改成you,our改成your)句末用问号。3.加Does、did的句子注意,句子动词要变成原型。例如陈述句:Theyareinthepark.Hecanplaytheguitar.Helikesthedogs.否定句Theyarenotinthepark.Hecannotplaytheguitar.Hedoesn'tlikethedogs一般疑问句:Aretheyinthepark?Canheplaytheguitar?Doeshelikethedogs?把下列句子变成一般疑问句和否定句1.Iamlisteningtomusic._______________________________________2Tomlikeslisteningtomusic________________________________________3.Sarahcancleantheclassroom.________________________________________4.Iputabookonmyhead.________________________________________5.Thereweresomeflowersinthevase.________________________________________6.WeplaybasketballonSundays._________________________________7Igotoseemyparentsonceamonth._________________________________8.Sheneedssomemasks._________________________________9.Theylikemakingthepuppet.______________________10.SuHaiandSuYanglivedinanewhouse.____________________________________________特殊疑问词的用法意思用法例句who谁问人的身份,姓名等HeisLiLieWhoishe?Heismybrother.Whoishe?whom谁问人的身份,姓名等(问宾语)Icanaskhimthequestion.Whomcanyouaskthequestion?what什么问人的职业或事物是什么Heisaworker.Whatishe?Hehasabook.Whatdoeshehave?学习必备欢迎下载which哪一个问一定范围内特指的人或物Thebigboxismine.Whichboxisyours?ThegirlatthedoorisAnn.WhichgirlisAnn?whose谁的问所属关系Thisisherbook.Whosebookisthis?Thisbookishers.Whoseisthisbook?whatcolor什么颜色问颜色(表语)Myskirtisred.Whatcolorisyourskirt?Whattime几点问点时间Weplaygamesatfiveintheafternoon?Whattimedoyouplaygames?when什么时候问时间Weplaygamesintheafternoon?Whendoyouplaygames?where什么地方问地点(状语)WeplaygamesathomeonSunday?WheredoyouplaygamesonSunday?why为什么问原因Heisn'tatschooltodaybecauseheisill.Whyisn'theatschooltoday?how怎样问健康状况、做事的方式等Heisfine/strong.Howishe?Igohomebybike.Howdoyougohome?howold多大几岁问年龄Heisten.Howoldishe?howmany多少跟复数名词,问数量Therearethirtyboysinmyclass.Howmanyboysarethereinyourclass?howmuch多少跟不可数名词问数量或价钱Thereissomemilkinthebottle.Howmuchmilkisthereinthebottle?howfar多远问路程It'sfivekilometersawayfromhere?Howfarisitfromhere?howsoon多久问in+一段时间Hecanfinishitinhalfanhour.Howsooncanhefinishit?howlong多久问一段时间,问物体的长短Hehaslivedhereforayear.Howlonghashelivedhere?Thedeskisonemeterslong.Howlongisthedesk?howoften多久(一次)问频率Igotoseemyparentsonceamonth.Howoftendoyougotoseeyourparents?How的疑问句辨析一、howmany和howmuch的区别howmany用来询问可数名词的数量,它的句式是:Howmany+复数名词+一般疑问句+?howmuch用来询问不可数名词的数量,也可询问价格。二、howlong,howoften,howsoon的区别1、howlonghowlong有以下两个主要意思:1.表示多长时间,主要用来对一段时间(如threedays,fourweeks等)提问。如:A:Howlongdidhestayhere?他在这儿呆了多久?B:Abouttwoweeks.大约两个星期。2.表示某东西有多长。如:A:Howlongistheriver?这条河有多长?B:About500km.大约500千米。2、howoften指每隔多久,主要用来对频度副词(如:alway,usually,often,sometimes,never等)或状语(如:onceaweek,threetimesamonth等)提问。如:A:Howoftendoeshecomehere?他(每隔)多久来一次?学习必备欢迎下载B:Onceamonth.每月一次。3、howsoon指再过多久,主要用来对表示将来的一段时间(如:inanhour,intwoweeks等)提问。如:A:Howsoonwillhebeback?他要多久才回来?B:Inanhour.1小时以后。三、howfar表示“多远”对距离的提问,如:A:Howfarisyourhomefromschool?你家离学校有多远?B:Myhouseisthreemilesfromschool.我家里学校有三英里对画线部分提问,除了要注意选择正确的疑问词外,还要注意语序的运用。1、对句子的主语提问,其语序是:疑问词+谓语+其他成分?(整个句子是陈述句语序)Sheistheirteacher.Whoistheirteacher?主语谓语主语谓语2、对句子主语的定语部分提问,其语序是:疑问词+主语(即定语所修饰的名词)+谓语+其他成分?(整个句子是陈述句语序)Mybookisoverthere.Whosebookisoverthere?主语的定语主语谓语疑问词主语谓语以上两点方法都是:用正确的疑问词代替画线部分,再把句号改为问号,其余部分一般不做改变3.对表语或宾语的定语部分提问,其语序是:疑问词+表语或宾语(画线部分所修饰的名词)+一般疑问句(省略画线部分和它所修饰的名词)I'mlookingformywatch..Whosewatchareyoulookingfor?宾语的定语宾语疑问词宾语一般疑问句(省略掉mywatch)4、对表语、宾语或状语提问,其语序是:疑问词+一般疑问句(省略掉画线部分)?HelivesinBeijing.Wheredoeshelive?状语疑问词一般疑问句(省略掉画线部分inBeijing)5、对谓语和宾语提问,其语序是:疑问词(What)+一般疑问句(其中谓语动词要用do的相对应形式代替,省略掉宾语)HewatchesTVintheeveningWhatdoeshedointheevening?HewatchedTVyesterdayevening.Whatdidhedointheevening?HeiswatchingTVnow.Whatishedoingnow?HewaswatchingTVatthattime?.Whatwashedoingatthattime?HeisgoingtowatchTVthisevening.Whatishegoingtodo?Hehasseenthefilm.Whathashedone?学习必备欢迎下载综合练习:1.Thechildrenhaveagoodtimeinthepark.否定句:___________________________________一般疑问句:___________________________________2.Thereareaboutninehundredpeopleattheconcert.(音乐会)否定句:_________________________________一般疑问句:________________________________________对划线部分提问:____________________________________3.Thereisonlyoneproblem.否定句:__________________________________________一般疑问句:________________________________________肯定/否定回答:____________________________________4.Anndoesherhomeworkeveryevening.否定句:__________________________________________一般疑问句:________________________________________对划线部分提问:____________________________________5.IreadanEnglishbookeveryday.否定句:__________________________________________一般疑问句:________________________________________肯定/否定回答:____________________________________对划线部分提问:____________________________________6.Mybrotherisintheparknow.否定句:__________________________________________一般疑问句:___________________________________