Unit 3 Discovering useful structures 课件 2022-2023学年高中英语人教版（2019）必修第一册

Sportsandfitness“DiscoveringUsefulStructures”Iwishtohaveabite,mayI?Youarehungry,aren’tyou?反意疑问句（Tagquestion）概念：又称附加疑问句，主要用于口语，由陈述句加简短附加问句构成，其作用是说话人向对方验证自己的陈述或者判断，也可以用于祈使句表示请求或者建议。

反意疑问句（Tagquestion）---Jimlikesplayingbasketball,__________?---Yes,he_______.---Hecan’tswim,_______?---No,he_________.

doesn'thecanhecan’tdoesSheisnotweak,？_______---isshe附加疑问句的结构：陈述部分，助动词do/does/didhave/has/hadbe动词情态动词+主语附加疑问句的组成规则:前肯后否，前否后肯Tagquestions(反义疑问句）2.反义疑问句的主语问题3.反义疑问句动词选择1反义疑问句的两种形式4.反义疑问句的回答形式陈述句+疑问句口诀：前肯后否，前否后肯1.肯定式陈述部分+否定式疑问部分例：Helookslikehisfather,doesn’the﹖

Shewasillyesterday,wasn’tshe?2.否定式陈述部分+肯定式疑问部分例：Hedoesn’tneedtoworksolate,doeshe？

Hecan’trideabike,canhe?

形式3.陈述部分含有seldom,

hardly,

never,

few,

nothing等否定词，其疑问部分要用肯定式He

has

few

friends

here,

?

She

said

nothing,

?

Youseldom

goclimbing,

?doeshedid

shedoyou

形式4.

若陈述部分含有带否定前缀的词，疑问部分仍用否定式

It

is

unfair,

?

You

dislike

singing,

?She

disagreed

withyou,

?

isn’t

itdon’tyoudidn’tshe回答口诀：肯定Yes,否定No.在回答反义疑问句时，事实是肯定的，就用Yes;事实是否定的就用No.例：---Helikesplayingfootball,doesn’the?他喜欢踢足球，不是吗？---Yes,hedoes./No,hedoesn’t.是的，他喜欢。/不，他不喜欢。回答前否后肯时，回答yes或no与汉语的意思正好相反。这种回答时，yes要翻译为“不”，no翻译为“是”例：---Lucydidn'tattendthemeeting,didshe?露西没有参加会议，是吗？---Yes,shedid./No,shedidn’t不，她有参加。/是的，她没参加。主语1.陈述部分主语是he,she或某人,疑问句主语为he,she等代词例：You/He/Tomcanplaybasketballwell,can’tyou/he?

That

is

a

new

car,

?That

isn’tyourteacher,

?These

areyourfriends,

?

isn’t

itishe/shearen’tthey2.当陈述部分主语是指示代词this,that/these,those指物时，疑问部分主语用it/they；指人时，疑问句主语用相应的人称代词主语3.陈述句的主语是nobody,noone,everyone,somebody，someone，all，both等不定代词时，反意疑问部分的主语多用he/they4.陈述句的主语是something,nothing,anything,everything等不定代词时，反意疑问部分的主语多用it。例：Nobodysaysawordabouttheaccident,

﹖

Everythingseemsallright,

﹖

dotheydoesn’tit主语5.陈述句如果是therebe结构时，疑问部分仍用there。例：TherewasamannamedSaintNicholas,wasn’tthere?

6.陈述部分为I(We)think(believe,suppose,consider)+that从句时，反意疑问句部分的动词及主语与that从句内的动词和主语保持一致。例：Ithinkthathehasdonehiswork,

?

Wethinkthatmathisveryuseful,

?

Idon’tthinkthatyoucandoit,

?hasn’theisn’titcanyou动词

1.基本原则：当陈述部分含有情态动词时，疑问部分通常会重复前面的情态动词We

should

helphim,

shouldn’t

we?Youcan

drivethere,can’t

you?当祈使句为Let’s时,表建议，疑问部分用shallwe?当祈使句为Letus时,表建议，后用shallwe?；表请求，后用willyou?Let’sgooutforawalk,

?Letusgoshoppingtogether,

?Letustakealook,

?shallweshallwewillyou含其他情态动词的反意疑问句陈述部分疑问部分例句maymightn’t/can’tTheymaycomefromShanghai,mightn’t/can’tthey?Usedtodidn’t/usedn’tHeusedtotakepicturesthere,didn'the?/usedn'the?Oughttoshouldn’t/oughtn’tHeoughttoknowwhattodo,oughtn'the?/shouldn'the?hadbetterhadn’tHe’d

better

leave

here,

hadn’t

he?

have/has/hadtodon’t/doesn’t/didn’tWehavetogetupearly,don’twe?基本原则：若陈述部分为祈使句，疑问部分通常用will/won’t

you?Closethedoor,will/won’tyou?Don’tmakeanoisehere,

willyou?陈述部分为祈使句的反意疑问句当祈使句为Let’s时,表建议，疑问部分用shallwe?当祈使句为Letus时,表建议，后用shallwe?；表请求，后用willyou?Let’sgooutforawalk,

?Letus

goshoppingtogether,

?Letus

takealook,

?祈使句为Let’s或Letusshallweshallwewillyou动词2.若陈述部分用must表示“必须”，疑问部分用

mustn’t

或needn’t;若陈述部分有mustn’t表示“禁止”时，疑问部分只用must.但是，当must表示推测时，反意疑问部分多与must之后的动词形式和时态与句子主语保持一致。Wemust

setoffearly,mustn’t/needn’t

we?People

mustn’t

smokehere,must

they.Shemusthavereadthenovel,hasn’tshe？3.陈述部分谓语为have、has、hadA.表示“拥有”,反意疑问句的谓语用have或do的相应形式都可以。

不表示“拥有”，用do的相应形式。例：Theyhaveahouseinthetown,haven’tthey/don’tthey?

Hehaslunchatschool,doesn’the？B.陈述句的谓语动词是情态动词have(has)to(必须)时，疑问部分用do的相应形式。例：Theyhavetogothere,don’tthey？Hehastoleaveearly,doesn’the？动词4.陈述部分的谓语是hadbetter(最好)时,疑问部分用hadn’t。例：You’dbetterhaveagoodrest,hadn’tyou？5.陈述句中的谓语动词是wish时，疑问部分常用may。例：Youwishtogohome,mayyou﹖6.陈述部分用usedto+主语时，问句部分用didn’t+

主语？或usedn’t+主语？例：Heusedtoliveinthecountry,didn’the?/usedn’the?Theyusedtobegoodfriends,didn’tthey?/usedn’tthey?(6)陈述部分情态动词must表“必须”时,疑问部分用mustn’t或needn’t例:Youmustworkhardnextterm,mustn’t/needn’tyou?Imustanswertheletter,mustn’t/needn’tI?但是，当must表示推测时，反意疑问部分多与must之后的动词形式和时态与句子主语保持一致。例：Hermothermustbeateacher,isn’tshe？Shemusthavereadthenovel,hasn’tshe？7.陈述部分Iam时，疑问部分要用

aren'tI/amInot.I'mastallasyoursister，aren'tI?8.反意疑问句的陈述部分主语是否为第一人称A.主语是第一人称（注意否定转移），且含有think,believe,expect,imagine,suppose等引导的宾语从句：Idon'tthinkheisbright,ishe?Webelieveshecandoitbetter,can'tshe?B.如果主语不是第一人称则疑问部分与主句相对应构成反意疑问句Hethoughtyouwerewrong,

didn'the?不能说weren'tyou?I’mafraidhewon’t

finishittoday,

?will

he9.当陈述部分是I’m

sure

that,；we

are

sure；I’m

afraid

that；We

are

sure

that等，后面跟宾语从句时，反意疑问句与宾语从句保持一致。Readtheconversationsbelowandunderlinethetagquestionsandtheiranswers.Whatfunctionsdothetagquestionshave?1.Amy:It'snotarealsport,?ShenQi:.2.Adam:Thatsoundsinteresting,?Julie:Sure,.3.LinTao:Hi!It'sabeautifulday,?HanJing:.I'mgoingtoplaysoccer.Canyoucomealongandjoinus?LinTao:Sorry,Ican't.I'vegottomeetmyadviser.Bytheway,ourschoolsoccerteamwonatlast,?HanJing:.It'stoobad.Function:tomakecomfirmationFunction:askingforopinionFunction:askingforopinionFunction:tomakecomfirmationisitYes,itisisn'titdoesn'tititdoesYes,itisdidn'ttheyNo,theydidn'tIt

is

a

real

sport.It

sounds

interesting.a

beautiful

day.won.DiscoveringUsefulStructures1.Lindaatenothingthismorning,___________?2.There'shardlyanymilkinthebottle,___________?3.Hehasneverriddenahorsebefore,__________?4.Heseldomcamehere,___________? 5.Everythingseemsallright,____________?6.Noonefailedintheexam,____________?7.Theyhavenotimetovisitthemuseum,____________?8.Hedislikesthetwosubjects,____________?didsheistherehashedidhedoesn'titdidhedotheydoesn'the1.

There’slittlemeatleftinthefridge,isthere?_________________.I’llgetsomeonmywayhome._________________.Westillhavemuchmeat.2.

It’sherbirthdaytomorrow,isn’tit?_____________.Let’shaveasurprisepartyforher._____________.Itshouldbeinnextmonth.3.

YourfatherneverwatchesthedramaseriesonTV,doeshe?______________.Hethinksthedramaseriesareboringanddull.

______________.Helikesthedramaseriesverymuch.No,thereisn’t

Yes,itisNo,hedoesn’tYes,thereis.