Unit4Iusedtobeafraidofthedark.SectionAGF-3c我過去常常怕黑。Learningaims1’

1.學(xué)習(xí)usedto結(jié)構(gòu)的否定形式；在一般疑問句的應(yīng)用以及肯定&否定回答；在反意疑問句的應(yīng)用。1.usedtodo/be表示過去常常2.usedtodo否定句為didn'tusetodo

/usedn’ttodo3.usedtodo一般疑問句Did---usetodo?

/used....todo?Task1:Grammarfocus.6'Guide:Readfreely.3'Check:Readtogether.1'GrammarFocususedto結(jié)構(gòu)Iusedtorideabike.NowI’m

usedtodrivingacar.Steel(鋼鐵)isusedtomakeacar.usedto結(jié)構(gòu)Heusedtoplaybaseballafterschool.他過去放學(xué)后常打棒球。Shedidn’t

use

tohavelonghair.=Sheusedn’t

tohavelonghair.她以前沒留長發(fā)。Didyouuse

toplaytheguitar?=Usedyoutoplaytheguitar?你過去常彈吉他嗎？Heused

tosmoke,didn’t/usedn’t

he?他過去常吸煙，對(duì)嗎？usedto結(jié)構(gòu)與usedto相關(guān)的其他短語：拓展①be/getusedtodoingsth.表示“習(xí)慣于做某事”，其中to為介詞，后接名詞、代詞或動(dòng)詞-ing形式。e.g.Mysisterisusedtogettingupearly.我的妹妹習(xí)慣于早起。②beusedtodosth.表示“被用來做某事”，其中to為不定式符號(hào)，后接動(dòng)詞原形。e.g.Woodcanbeusedtobuildahouse.木頭可以用來蓋房子。Guide2:根據(jù)課本內(nèi)容，完成下列句子。3'

1.我以前是矮個(gè)子。I__________beshort.2.我以前在學(xué)校不受歡迎。I___________tobepopularinschool.3.保拉以前的確不愛說話。Paula_________bereallyquiet.4.她以前不喜歡小測驗(yàn)。She___________liketests.didn’tuseusedto

usedtodidn’tusetoMaryusedto________inthecountryside,butnowsheisusedto________inthecity.A.live;liveB.live;livingC.living;liveD.living;living可用固定搭配法解答本題。usedtodosth.“過去常常做某事”，beusedtodoingsth.“習(xí)慣于做某事”。

典例點(diǎn)撥BGrammarFocususedto結(jié)構(gòu)1.你以前很矮，不是嗎？

Youusedtobeshort,__________?

是的，我是。/不，不是。Yes,I_____./No,I_______.2.他以前戴眼鏡嗎？____he________wearglasses?

是的，他戴。/不，他不戴。Yes,he____./No,he_____.didn’tyouDidusetodiddidn’t

diddidn’t主語+usedto+動(dòng)詞原形

Iusedtosmokealot.Sheusedtoworkinashop.Tomusedtobeapoliceman.HeusedtowatchalotofTV.Sheusedtobemarried.Usedtodosth過去(常常做某事)usedto意為“過去常常”，用于表示過去習(xí)慣性的動(dòng)作或存在的狀態(tài)，強(qiáng)調(diào)與現(xiàn)在的對(duì)比，暗示現(xiàn)在不做了。to為不定式符號(hào)，后跟動(dòng)詞原形。usedto只用于一般過去時(shí)態(tài)，沒有人稱和數(shù)的變化。usedto的用法Languagepoints20'Writesentencesaboutthepastusingusedto.3a1.Grace/watchalotofTV/watchalotofmovies2.mymom/havecurlyhair/havestraighthair3.Jerry/readbooksonEuropeanhistory/readbooksonAfricanculture4.Sandy/teachBritishEnglish/teachAmericanEnglishGraceusedtowatchalotofTV.Shedidn’tusetowatchalotofmovies.Mymomusedtohavecurlyhair.Shedidn’tusetohavestraighthair.JerryusedtoreadbooksonEuropeanhistory.Hedidn’tusetoreadbooksonAfricancultureSandyusedtoteachBritishEnglish.Shedidn’tusetoteachAmericanEnglish.A)主語＋didnotuseto＋動(dòng)詞原形......Hedidnotusetoswiminthisriver,butheswimsherenow.否定句式：Jennyusedtoplaythepiano.用usedto句型說出與圖片情景相符的句子。JennyMikeusedtowearglasses.Mike,glassesPeterusedtoplaysoccer.Peter,soccerAmy,longhairAmyusedtohavelonghair.Markusedtolikeswimming.Mark,likeswimReviewIusedtobeshort.Ididn’tusetobepopularinschool.Paulausedtobereallyquiet.Shedidn’tusetoliketests.Youusedtobeshort,didn’tyou?Yes,Idid./No,Ididn’t.Didheusetowearglasses?Yes,hedid./No,hedidn’t.觀察下列句子，思考usedtodo的肯定和否定結(jié)構(gòu)。1.usedto的肯定和否定肯定：主＋used

to+動(dòng)原否定：主＋didn’tuse

to+動(dòng)原GrammarFocususedto的結(jié)構(gòu)

主語＋usednotto＋動(dòng)詞原形......

第一種否定句型，就是把used當(dāng)作實(shí)義動(dòng)詞來看，所以變否定句要用助動(dòng)詞did；第二種否定句是把used當(dāng)作情態(tài)動(dòng)詞，變否定句直接在used后面加not即可，usednot可以縮寫成usedn’t或usen’t。美式英語通常用A種形式，英式英語常用B種形式。例如：

Youdidn'tusetodrink.Didn’tusetodosthusednottodosthIusedtosmokealotIdidn’tusedtosmokealot.Iusednottosmokealot.Usedto的否定形式2.否定句式：主語+usednottodosth.=主語+didn'tusetodosth.usedto“過去常常”,表示過去習(xí)慣性的動(dòng)作或存在的狀態(tài)，強(qiáng)調(diào)與現(xiàn)在的對(duì)比，暗示現(xiàn)在不做了。to為不定式符號(hào)，后跟動(dòng)詞原形。usedto只用于一般過去時(shí)態(tài)，沒有人稱和數(shù)的變化。1.肯定句式：主語+usedtodosth.3.疑問句式：Did+主+useto+動(dòng)原+其他?=Used+主+to+動(dòng)原+其他?4.反義疑問句：主語+usedtodosth,+did/didn’t+主語?used/usedn’t+主語?Thereusedtobe…5.Therebe結(jié)構(gòu)：Summary3bListenagain.Whatdothegirlandtheboysayaboutthingsinthepastannow?Fillinthechart.InthepastNowGirlIdidn’tusetolike____.Idon’tworryabout____.Weusedtowear_________________toschool.Wecanwear________________toschool.BoyWeusedto____everydayafterschool.We_____allthetime.Iusedtohate_________.I____P.E.class.teststestsplaystudyP.E.classlovetheschooluniformwhateverwelikeCompareyourselfwithyourpartner.A:

Iusedtobenervousabout

tests

allthetime.

Whataboutyou?B:Yes,metoo.AndIusedto…Mymomusedtohavecurlyhair.Shedidn’tusetohavestraighthair.4cWritesentencesaboutthepastusingusedto.2.Mymom/havecurlyhair/havestraighthair1.Grace/watchalotofTV/watchalotofmoviesGraceusedtowatchalotofTV.Shedidn'tusetowatchalotofmovies.A)Did＋主語＋useto＋動(dòng)詞原形...？B)Used＋主語＋to＋動(dòng)詞原形...？美式英語通常用A種形式，英式英語用B種形式。例如：

Didyouusetogoswimmingintheriverwhenyouwereyoung?疑問句式：Inthepast,didyouusetodosomethingnotverygood?Anddoyoudoitbetternow?Thinkaboutsomechangesinyourlifeandwritedownyourownsentences.PastNowIusedtoforgetmymom’sbirthday.Ikissmymomandsay“Iloveyou”onherbirthday.Iusedtospitinthestreet.Ibecomeavolunteerinanenvironmentgroup.…

……

……

……

…Sheusedtosmokealot.Didsheusetosmokealot?Usedshetosmokealot?Didyoursisterusetobequiet?Usedto的一般疑問句形式2.Sandy/teachBritishEnglish/t