高中英语unit3 grammar and usage课件译林牛津版必修1.ppt

unit3grammarandusage 反意疑问句questiontags 反意疑问句的使用有以下几个问题需要注意 一 前后肯定否定形式的相异性如果前一部分用了肯定形式 后一部分通常用否定形式 反之亦然 youaregoingtonanjingnextmonth aren tyou hedidn tpassenglishtext didhe 二 前后be动词 助动词和情态动词的一致性反意疑问句前后所使用的be动词 助动词和情态动词必须保持一致 尤其是遇到缩略形式的时候更应该注意 healwaystellsthetruth doesn the he sneverbeenthere hashe he s是hehas的省略 you dratherstayathomeonsundays wouldn tyou you d是youwould的省略 you dliketogotobedearlier wouldn tyou he dbetterleaveearly hadn the he d是hehad的省略 三 反意疑问句的答语回答反意疑问句一般都用yes或no yes和no的确定是根据答语本身是肯定还是否定确定的 和问句的肯否定形式没有关系 youarenotgoingouttoday areyou 你今天不出去 是吧 no iamnot 是的 我不出去 yes iam 不 我今天出去 注意 英语和汉语表达上的不同 反意疑问句的几种特殊形式1 陈述部分含有no scarcely hardly never seldom few little 几乎没有 rarely nothing nobody neither none等否定词和半否定词时 疑问部分用肯定形式 mslineverpunishesherstudents doesshe itisimpossible isn tit heisunkindtohisclassmates isn the 注意 否定前缀 im un il dis 等 或后缀 less等 不能视为否定词 其反意疑问句仍用否定形式 2 陈述部分是省去主语的祈使句时 疑问部分一般用willyou don tbelatenexttime willyou writetomesoon willyou 注意 let s开头的祈使句 疑问部分用shallwe letus开头的祈使句 疑问部分用willyou 如 let sstartwiththesong shallwe letushelpyou willyou 3 陈述部分为带宾语从句的主从复合句时 疑问部分的主语和谓语一般和主句保持一致 如 hesaidhewantedtovisitbeijing didn the 但如果陈述部分是i don t think suppose believe imagine expect feel guess suspect 主语还可以是we 等时 疑问部分的主语和谓语却要和宾语从句保持一致 而且包括否定转移 idon tthinkheisclever ishe webelieveshecandoitbetter can tshe 1 itoldhimthatyouhadfinishedthework 2 youthinkhecomesfromjapan 3 hedoesn tguessyouareright 4 wedon timaginethathehasliedtous 5 idon tsupposeshewillhelphim 6 idon tthinkyouarewrong hashe doeshe don tyou didn ti practice willshe areyou 4 陈述部分的谓语是wish时 疑问部分要用may 主语 而且前后都要用肯定形式 如 iwishtogotobeijing mayi iwishtogohomenow mayi 5 陈述部分的谓语是usedto时 疑问部分用didn t 主语或usedn t 主语 如 heusedtobeabadboy didn the usedn the 6 陈述部分是i m 句型时 疑问部分要用aren ti 如 i manenglishteacher aren ti 7 陈述部分是感叹句时 疑问部分用be 主语 如 whatbeautifulhats aren tthey 8 陈述部分的主语是指示代词this that或不定代词 everything nothing anything something等 不定式 todo 动名词 doing 或从句时 疑问部分主语用it 如 thathehascomebackfromjapanistrue isn tit everythingisready isn tit toseeistobelieve isn tit 9 陈述部分主语是不定代词everybody anyone somebody nobody noone everyone等 疑问部分主语常用复数they 有时也用单数he 如 everyoneknowstheanswer don tthey doesn the nobodyknowsaboutit dothey doeshe noonewouldobject wouldthey wouldhe 10 当陈述部分有must时 若must作 必须 讲时 其反意疑问部分用needn t 当含有mustn t 不允许 禁止 时 其反意疑问部分用must 当must表示推测 作 一定 准是 讲时 反意疑问部分的动词形式根据must后边的动词形式确定 youmustgonow you youmustn tsmokehere you youmustbehungrynow you needn t must aren t 注意 若陈述部分中musthavedone表示对过去某一时间情况的推测 疑问部分用didn t 若musthavedone表示对现在完成动作或存在状态的推测 疑问部分用haven t hasn t youmusthavewatchedthatfootballmatchlastnight didn tyou hemusthavegotscholarshiplastterm didn the hemusthavegotscholarship hasn the practice 1 i mlate 2 ithinkeveryonewillbehere 3 you dplaymusicratherthanwatchtv 4 idon tthinkjohnwentbackhomeearlylastnight 5 he sagoodteacher 6 he dwrittentoyoubeforeyouphoned 7 let sgotothegymafterschool aren ti won tthey he wouldn tyou isn the didhe hadn the shallwe whatbeautifulhats comehere letusstartwiththesong iwishtogotobeijing you dbettergotherenow everythingisready heisunkindtohisclassmates aren tthey willyou won tyou willyou mayi hadn tyou isn tit isn the 1 whydoesshealwaysaskyouforhelp thereisnooneelseshecanturnto 2005 北京卷 a isthereb isitc canshed doesshe2 therewasaloudscreamfromthebackstageimmediatelyaftertheconcertended 2005 上海卷 a wasn tthereb wastherec didn titd didit a practice a 3 thereisnolightinthedormitory theymusthavegonetothelecture 2004上海春考 a didn ttheyb don ttheyc mustn ttheyd haven tthey4 bill saimistoinformtheviewersthatcigaretteadvertisingontvisillegal a isn titb isitc isn thed ishe d a 5 everyoneneedstobequestionedbeforeenteringthehall a needn theb needn ttheyc don ttheyd isn the 6 don thavethelightburning a haveyoub doyouc willyoud shallwe c c 7 it sthefirsttimethatshehasbeenhere a hasn tsheb isn tshec isn titd hasn tit 8 nothingthatcanbedoneisimportant a can ttheyb isn titc canitd isit c d 9 allofusseldomwenttothecinemaatthattime a didn ttheyb didwec didn twed didall 10 theymustbewaitingatthegate a mustn ttheyb aren ttheyc isn titd needn tthey b b 11 thereusedtobeatempleonthehill a wasn titb usedn ttherec wasn tthered didn tit 12 lifeng sunhappyatthenews a isn theb hasn thec doesh