be动词情态动词助动词

1、v1.0可编写可改正be动词，神态动词，助动词do/does的用法差别及练习由连系am，is，are组成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。变否认句时直接在am，is，are后边加not即可。比如：一定句:Heisastudent.一般疑问句:Isheastudent？否认句:Heisnotastudent.画线发问:对he发问:Whoisastudent？对astudent发问:WhatisheorWhatdoeshedo由神态动词can,may,should等组成的句子:变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否认句时直接在c

2、an,may,后边加not即可.比如:一定句:Shecanswim.一般疑问句:Cansheswim？否认句:Shecannotswim.画线发问:对she发问:Whocanswim？对swim发问:Whatcanshedo3.由行为动词组成的句子:需要加助词do或does.变一般疑问句时把do/does放在句子前面.变否认句时把dont/doesnt放在动词的前面。要注意察看动词的形式并对号入座。一般疑问句和否认句的动词三单式都要变回原型。play-doplays-does比如:一定句:Theyplayfootballafterschool.Heplaysfootballafterschoo

3、l.一般疑问句:DotheyplayfootballafterschoolDoesheplayfootballafterschool？否认句:Theydont(donot)playfootballafterschool.Hedoesntplayfootball1v1.0可编写可改正afterschool.画线发问:对they/he发问:Whoplaysfootballafterschool对playfootball发问:WhatdotheydoafterschoolWhatdoeshedoafterschool？对afterschool发问:WhendotheyplayfootballWhen

4、doesheplayfootball针对性练习按要求改写句子：knowtheanswer.(一般疑问句)_theanswer？canseesomebirds.(一般疑问句)_see_birds？designsclothes.(一般疑问句)_he_clothes？aresomeflowersontheteachersdesk.(一般疑问句)_flowersontheteachersdesk？aresomeapplesonthetree.(否认句)There_applesonthetree.thinkheisveryold.(否认句)I_thinkhe_veryold.colouritgreen.

5、(否认句)_colouritgreen.doctorsarehelpful.(变否认句)_.mayhavesomehotdogs.(一般疑问句)_.arentanypearsinthebox.(同义句)Thereare_pearsinthebox.2v1.0可编写可改正signmeans“Nosmoking”.What_thissign_？looksyoung.（改一般疑问句）_she_young？isyoung.（改为一般疑问句）_？pencilsareinthepencil-box.(对划线部分发问)_yourpencils？getupatsixeveryday.(对划线部分发问)_you

6、getupeveryday？liketowalkhome.(改为一般疑问句)_they_？arecars.(用buses改写成选择疑问句)Arethesecars_？plantisonemonthold.(就划线部分发问)_plant？boysareinourhouse.(改为therebe_twoboysinourhouse.planthastwogreenleaves.句型)_plant_？LigoestoHongKongbyplane.（同义句）MissLi_HongKong.22.Thewomenworkintheshoefactory.（就划线部分发问）_women_ishappy,

7、becauseheisgoingtotakeatriptomorrow._（就划线部分发问）fathercancookthemeals.3（就划线部分发问）v1.0可编写可改正_father_25.Youshouldaddwateroften.（一般疑问句）_wateroften一、变否认句时有关词的改变一定句变否认句时，除将谓语变成否认式外，句中其余词语也可能随之改变，如将some改为any，too和also改为either，already改为yet，and改为or等：Therearesomebirdsinthetree.树上有些鸟。Therearentanybirdsinthetree.树

8、上没有鸟。Helikesthegirl,too.他也喜爱这个女孩。Hedoesntlikethegirl,either.他也不喜爱这个女孩。Wehavealreadyseenthefilm.我们已看过这部电影。Wehavenotseenthefilmyet.我们没有看这部电影。Helikessinginganddancing.他喜爱唱歌和跳舞。Hedoesntlikesingingordancing.他不喜爱唱歌也不喜爱跳舞。二、部分否认与完整否认比较以下句子：Allofuslaughedwhenweheardit.听到这事时我们都笑了。(一定句)Allofusdidntlaughedwhenweheardit.听到这事时我们并未都笑。(部分否定)Notallofuslaughedwhenweheardit.听到这事时我们并未都笑。(部分否认)Noneofuslaughedwhenweheardit