unit-4-i-used-to-be-afraid-of-the-dark知識(shí)點(diǎn)整理

1、Unit4Iusedtobeafraidofthedark.知識(shí)點(diǎn)1Unit4Iusedtobeafraidofthedark.語(yǔ)法語(yǔ)法usedto的用法的用法1.“usedtodosth”意為“過(guò)去常常做某事”，表示過(guò)去的習(xí)慣動(dòng)作或狀態(tài)，現(xiàn)在已不發(fā)生或不存在。Sheusedtobethinbutnowsheisfat.Theyoungmanusedtowearglassesbutnowhedoesn’twearglasses.2.帶u

2、sedto的句子的各種句式的構(gòu)成：(1)肯定句的構(gòu)成是:主語(yǔ)usedtodosth.Heusedtoplaybasketballafterschool.(2)否定句的構(gòu)成是:主語(yǔ)didn’tusetodosth.Shedidn’tusetohavelonghair.(3)一般疑問(wèn)句構(gòu)成是:Did主語(yǔ)usetodosth肯定回答是：Yes主語(yǔ)did否定回答是：No主語(yǔ)didn’tDidheusetoplaythepianoYeshedid

3、Nohedidn’t(4)反意疑問(wèn)句的構(gòu)成是：didn’t主語(yǔ)？Sheusedtobeverythindidn’tshe3.妙用異同(1)usedtodosth.表示過(guò)去習(xí)慣性的動(dòng)作或經(jīng)常性的狀態(tài).Heusedtosmokedidn’the(2)beusedtodoingsth表示“習(xí)慣于做某事”Myparentsareusedtogettingupearly.(3)beusedtodosth=beusedfdoingsth是被動(dòng)結(jié)構(gòu)，

4、表示“被用來(lái)做某事”Theknivesareusedtocutthings.=Theknivesareusedfcuttingthings.(1)—Wow!Youlookdifferent!Youwearglasses.—YesIdid.ButnowIamwearingcontactlenses(隱形眼鏡)Unit4Iusedtobeafraidofthedark.知識(shí)點(diǎn)3(2)Thereisn’tanywaterinthebottle

5、A.isitB.isthereC.isn’titD.isn’tthere(3)She’scomeback__________sheA.isB.isn’tC.hasD.hasn’t2.反意疑問(wèn)句應(yīng)注意三點(diǎn)：(1)除了nonot以外的其他否定詞有never（從不）nothing（沒(méi)有什么）few（幾乎沒(méi)有）little（幾乎沒(méi)有）hardly（幾乎不）seldom（不常，很少）而unhappy（不高興的）uncrowded（不擁擠的）dis

6、like（不喜歡）等不是否定詞。ShehasfewfriendsdoessheYeshedoes.JimnevergoestothemoviesonSaturdayA.doesJimB.doesn’tJimC.doesn’theD.doeshe(2)祈使句的反意疑問(wèn)句一般在句末用willyou（包括以Letus開(kāi)頭的祈使句）而以let’s開(kāi)頭的祈使句其反意疑問(wèn)句是shallweLet’sgooutfawalkshallweLetusgo

7、outfawalkwillyouDon’tdrinktoomuchwillyouYou’vejustfinishedyourlisteningexam.PleasegetyourselfreadyfthenextpartA.shallweB.willyouC.doyouD.areyou(3)對(duì)反意疑問(wèn)句的回答不管問(wèn)題的提法如何如果事實(shí)是肯定的就要用yes事實(shí)是否定的就要用no.(1)—Hawkisn’tatschooltodayishe