句型转换肯定句变否定句及一般疑问句一、肯定句变否定句1、含有be动词的否定句规则:在be动词后+not.(isnot可缩写成isn’t;arenot可缩写成aren’t但am与not不可缩写)eg:(1)肯定句:Iamastudent.我是一名学生否定句:Iamnotastudent.我不是一名学生(2)肯定句:Sheismysister.她是我的妹妹。否定句:Sheisn’tmysister.她不是我的妹妹。(3)肯定句:Theyaremyparents.他们是我的父母否定句:Theyaren’tmyparents.他们不是我的父母活学活用将下列句子变为否定句1.Thekeysareonthetable.______________________________________2.Thisismysister.____________________________________________3.Acomputergameisintheschoollibrary.___________________________________4.IaminChinanow.________________________________________2、含情态动词的否定句规则:在情态动词后+not,必要时可缩写。(比如:cannot可缩写成can’tmustnot可缩写成mustn’t)eg:(1)肯定句:Icanspell“English”.我能拼写English”。否定句:Ican’’tspell“English”.我不能拼写English”.(2)肯定句:Imustfindit.我必须找到它否定句:Imustn’tfindit.我禁止找到它。活学活用将下列句子变为否定句1.Youcaneatwellforbreakfast.________________________________2.IcangotoschoolonMonday.__________________________________3.ShecanwatchTVonSaturday.__________________________________3、含有实义动词的句子的否定句构成(1)第三人称单数做主语。(he、she、it或表示单个人或物的第三人称名词)规则:要在行为动词前加上助动词doesn’t,然后将动词恢复原形。eg:肯定句:Hehasasoccerball.他有一个足球。否定句:Hedoesn’thaveasoccerball.他有一个足球。(2)其它人称做主语规则:在行为动词前加don’t,句子中的行为动词用原形。eg:肯定句:Theylikebananas.他们喜欢香蕉。否定句:Theydon’tlikebananas.他们不喜欢香蕉。注:(1)在变否定句时,如遇some应变anyHerearesomebooks.Herearen’tanybooks.活学活用将下列句子变为否定句1.Ihavesomebasketballs.______________________________________________2.Welikebananas.______________________________________________3.Tomhasavolleyball.____________________________________________4.Iknowyou’reyourname.___________________________________________5.Shewantstobuyahat.___________________________________________二、肯定句变一般疑问句1、含有be动词的句子变一般疑问句规则:把be动词提至句首,第一人称变第二人称,句末句号变问号。(I/we变成youMy/our变成your)(1)肯定句:Iamastudent.我是一名学生一般疑问句:Areyouastudent?你是一名学生吗?(2)肯定句:Sheismysister.她是我的妹妹。一般疑问句:Issheyoursister?她是你的妹妹吗?(3)肯定句:Theyaremyparents.他们是我的父母一般疑问句:Aretheyyourparents?他们是你的父母吗?活学活用将下列句子变为一般疑问句1.Thekeysareonthetable.______________________________________2.Thisismysister.____________________________________________3.Acomputergameisintheschoollibrary.___________________________________4.IaminChinanow.________________________________________2、含有情态动词的句子变一般疑问句规则:把情态动词提至句首,第一人称变第二人称,句末句号变问号。(I/we变成youMy/our变成your)eg:(1)肯定句:Icanspell“English”.我能拼写English”。一般疑问句:Canyouspell“English”.你能拼写English”吗?(2)肯定句:Imustfindit.我必须找到它一般疑问句:Mustyoufindit?你必须找到它吗?活学活用将下列句子变为一般疑问句4.Youcaneatwellforbreakfast.________________________________5.IcangotoschoolonMonday.__________________________________6.ShecanwatchTVonSaturday.__________________________________3、含有行为动词的句子变一般疑问句变法(1)第三人称单数做主语规则:如果主语是单数第三人称,那么变成一般疑问句时,须在句首加助动词does,然后将动词恢复原形;eg:肯定句:Hehasasoccerball.他有一个足球。一般疑问句:Doeshehaveasoccerball?.他有一个足球吗?(2)其它人称做主语如主语是其它人称,则须在句首加助动词do,动词仍是原形。eg:肯定句:Theylikebananas.他们喜欢香蕉。一般疑问句:Dotheylikebananas?他们喜欢香蕉吗?注:(1)如句中有some,变成一般疑问句时应变成any。(2)如果句中有第一人称的词,变成一般疑问句时须变成相应的第二人称。比如:I变成you,we变为you,my变为your,our变成your。eg:Ihaveanewbook.Doyouhaveanewbook?Herearesomeapples.Arehereanyapples?(3)一般疑问句的回答有肯定回答、否定回答两种,回答时用人称代词。eg:构成:be动词/be动词+notYes/No,人称代词+情态动词/情态动词+not助动词do或does/don’t或doesn’tIsheateacher?Yes,heisCanheplaybaseball?Yes,hecanNo,hecan’tDoeshewatchTVeveryday?Yes,hedoes.No,hedoesn’t.活学活用将下列句子变为一般疑问句1.Ihavesomebasketballs.______________________________________________2.Welikebananas.______________________________________________3.Tomhasavolleyball.____________________________________________4.Iknowyou’reyourname.___________________________________________5.Shewantstobuyahat.___________________________________________同义句转换1.Thisisaredsweater.=Thiscoatissweater.这是一件红色的毛衣。2.Thatisherruler.=Thatrulerishers.那是他的尺子3.MyfavoritesubjectisEnglish=Englishismyfavoritesubject=IlikeEnglishbest我最喜欢的科目是英语4.What’syourfavoritesubject(food,fruit,sport,color)?=Whatsubject(food,fruit,sport,color)doyoulikebest?你最喜欢什么学科?5.Mymotherbuysmeadictionary.+Mymotherbuysadictionaryforme.我的妈妈给我买了一本词典6.MylastnameisGreen=MyfamilynameisGreen.我姓Green.7.What’syourphonenumber?=What’syourtelephonenumber?你的电话号码是什么?8.Mathisdifficult.=mathisnoteasy.数学很难。9.It’sboring=It’snotinteresting\fun.它很无聊10.Howmucharethetrousers?=What’sthepriceofthetrousers?裤子的价格是多少?11.Whatabout=Howabout12.Thanksforyourhelp.=Thankyouforhelpingme.感谢你的帮助13.CanIhelpyou?=WhatcanIdoforyou?我能帮助你吗?14.I’mOK=I’mfine.我很好15.I’mGina=MynameisGina.我是吉娜。【模拟试题】(答题时间:15分钟)一.把下列句子变成否定句。1、WeareinShenyang._____________________________________2、Theycanplayfootball._____________________________________3、Heplayssoccerballwell._____________________________________4、Iamanewteacher._____________________________________5、Tomisatschool._____________________________________6、Therearesomenewbooks._____________________________________二.把下列句子变为一般疑问句。1、HecanspeakEnglish.(并否定回答)_____________________________________2、Tomisanewstudent.(并肯定回答)_____________________________________3、Sheplaysthepianowell.(并肯定回答)_____________________________________4、WeareChinese.(并否定回答)_____________________________________5、Theylikesinging.(并肯定回答)_____________________________________三、同义句转换1.IamOK.Thankyou.I’m_______.2.I’mGrace.________________