英语常见句型的变换规则英语常见句型的变换规则(适用于5.6.7年级学生)教学目的:让学生掌握英语句型变换的基本方法。教学重点:了解并学会句型变换的一般规律.教学难点:对动词的理解和运用。一.四个常见句子及其变换方式。要求:(1)写出下面每个句子的否定句,(2)变成一般疑问句,(3)对一般疑问句作肯定和否定回答,(4)对划线部分提问1.LucyandLilyareathome.2.Meimeiisdoing herhomework.3.Tonnycansingeight Englishsongs.4.Tom’sparentswillvisithismathteacherthisevening.(注:此项任务由学生独立或讨论完成,让会做的学生口头说出
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和变换的方式,方法。)二.和学生一起总结规律:当句中有be动词(am,is,are,was,were),助动词(do,does,did,will,shall,have,has,had)或者情态动词(can,may,must,need,would,should等)时,(1)直接在这类词后面加not变成否定句。(注意把some改为any,其他不变)。(2)直接把这类词提前到句首变成一般疑问句。(注意大写首字母,第一人称变成第二人称,some改为any,句末加问号)。(3)对一般疑问句作肯定回答,形式为:Yes,主语(代词)be动词∕助动词∕情态动词。(4) 否定回答形式为:No,主语(代词)be动词∕助动词∕情态动词not.(5)对划线部分提问时,先选择正确的疑问词代替划线部分放到句首,后接一般疑问句式。(划线部分不能再出现在句中)三.再次演练,巩固加强,熟练掌握上述方法。1.Kitty’sEnglishbookisoverthere.2.IaminClass3,Grade7.3.Youmaygivethemsomemoney.4.Weshalltakethesubwaytothezootomorrow.四.三个常见句子及其变换方式。要求:(1)写出下面每个句子的否定句,(2)变成一般疑问句,(3)对一般疑问句作肯定和否定回答,(4)对划线部分提问1.Thestudentshavelunchattheschooltwiceaweek.2.Hisfatherworksinasupermarket.3.Theboyinyellowboughtaninterestingtoy.(注:此项任务由学生独立或讨论完成,让会做的学生口头说出答案和变换的方式和方法。)五.和学生一起总结规律:当句中有实义动词(have,works,bought等)时, (1) 在这类词前面加助动词的否定式(don’t,doesn’t或者didn’t)变成否定句。(注意把实义动词改为原形,some改为any,其他不变)。(2)直接在句首加助动词(do,does或did)变成一般疑问句。(注意大写首字母,把实义动词改为原形,第一人称变成第二人称,some改为any,句末加问号)。(3)对一般疑问句作肯定回答,形式为:Yes,主语(代词)助动词(do,does或did).(4)否定回答形式为:No,主语(代词)助动词(do,does或did)not.(5)对划线部分提问时,先选择正确的疑问词代替划线部分放到句首,后接一般疑问句式。(划线部分不能再出现在句中).六.再次演练,巩固加强,熟练掌握上述方法。1.Shedoesherhomeworkat6:00intheevening.2.IgotoworkbybusfromMondaytoFriday.3.Mr.WangtaughtusChinesetwoyearsago.参考答案一.1. (1)LucyandLilyarenot∕(aren’t)athome.(2)AreLucyandLilyathome?(3)Yes,theyare.∕No,theyarenot.∕(aren’t).(4)WhereareLucyandLily?2. (1)Meimeiisnot∕(isn’t)doingherhomework.(2)IsMeimeidoingherhomework?(3)Yes,sheis.∕No,sheisnot.∕(isn’t).(4)WhatisMeimeidoing?3.(1)Tonnycannot∕(can’t)singeightEnglishsongs.(2)CanTonnysingeightEnglishsongs?(3)Yes,hecan.∕No,hecannot.∕(can’t).(4)HowmanyEnglishsongscanTonnysing?4.(1)Tom’sparentswillnot∕(won’t)visit hismathteacherthisevening.(2)WillTom’sparentsvisit hismathteacherthisevening?(3) Yes,theywill.∕No,theywillnot.∕(won’t).(4)WhowillTom’sparentsvisitthisevening?三.1.(1)Kitty’sEnglishbookisnot∕(isn’t)overthere.(2)IsKitty’sEnglishbookoverthere?(3)Yes,itis.∕No,itisnot.∕(isn’t).(4)WhoseEnglishbookisoverthere?2. (1)Iamnot inClass3,Grade7.(2)AreyouinClass3,Grade7?(3)Yes,Iam.∕No,Iamnot.(4)Whatclassareyouin?3. (1)Youmaynotgivethemanymoney.(2)MayIgivethemanymoney?(3)Yes,youmay.∕No,youmustn’t(4)WhatmayIgivethem?4. (1)Weshallnottakethesubwaytothezootomorrow.(2)Willyoutakethesubwaytothezootomorrow?(3)Yes,weshall.∕No,weshallnot.(4)Whenwillyoutakethesubwaytothezoo?四.1.(1) Thestudentsdon’thavelunchattheschooltwiceaweek.(2)Dothestudentshavelunchattheschooltwiceaweek?(3)Yes,theydo.∕No,theydon’t(4)Howoftendothestudentshavelunchattheschool?2.(1)Hisfatherdoesnot∕doesn’tworkinasupermarket.(2)Doeshisfatherworkinasupermarket?(3)Yes,hedoes.∕No,hedoesn’t.(4)Wheredoes his fatherwork?3.(1)Theboyinyellowdidn’tbuyaninterestingtoy.(2)Didtheboyinyellowbuyaninterestingtoy?(3)Yes,hedid.∕No,hedidn’t..(4)Whichboyboughtaninterestingtoy?六.1.(1)Shedoesn’tdoherhomeworkat6:00intheevening.(2)Doesshedoherhomeworkat6:00intheevening?(3)Yes,she does.∕No,shedoesn’t..(4)Whattimedoesshedoherhomeworkintheevening?2.(1)I don’tgotoworkbybusfromMondaytoFriday.(2)DoyougotoworkbybusfromMondaytoFriday?(3)Yes,Ido.∕No,Idon’t.(4)HowdoyougotoworkfromMondaytoFriday?3.(1)Mr.Wangdidn’tteach usChinesetwoyearsago.(2)DidMr.Wangteach youChinesetwoyearsago?(3)Yes,hedid.∕No,hedidn’t..(4)WhendidMr.Wangteach youChinese?(一点体会:注重知识的归纳和整理,注重教给学生做题的方法。具体做练习时,绝不包办代替。)