新人教版9年级暑假衔接讲义 used to用法（教师版）

usedto的用法思维导图usedtodo泛指过去习惯性的动作或状态，但如今已不存在了（强调与现在对比，暗示现在不做了）。其中to为动词不定式符号，后接动词原形。usedto只用于过去时态，没有人称和数的变化。可以没有时间状语。意为：主语过去常常做或过去是…一、usedto的基本句式usedto构成主语+usedtodo+其他Heusedtoplaybasketballafterschool.他过去常常放学后打篮球。含义过去常常做某事；补充：表示过去习惯性的动作或状态，暗指现在已不再如此。注意：usedto没有人称和数的变化Heusedtobeaverypoorman.他过去是一个很穷的人。（暗指现在已经不穷了）句型变化否定句主语+didn’tuseto+动词原形补充：主语+usedn’tto+动词原形Shedidn’tusetohavelonghair.=（Sheusedn’ttohavelonghair.）她过去不留长发。一般疑问句Did+主语+useto+动词原形?Yes,sb.did./No,sb.didn’t.补充：Used+主语+to+动词原形?Yes,sb.usedto./No,sb.usedn’tto.Didyouusetoplaythepiano?你过去常常弹钢琴吗？Yes，Idid/No,Ididn’t.=Usedyoutoplaythepiano?Yes,Iusedto./No,Iusedn’tto.反意疑问句肯定句+didn’tsb.?/否定句+didsb.补充：肯定句+usedn’tsb.?/否定句+usedsb.Hedidn’tusetodrink,didhe?他过去不经常喝酒，对吗？Heusedtodrink,usedn’the?他过去常常喝酒，对吗？二、usedto的therebe结构usedto用于therebe结构中时,形式为thereusedtobe,表示”过去曾有”.Thereusedtobeaprivateschoolhere.这儿曾经有一所私立学校.三、usedto的相似结构辨析1.be/getusedtosth/doingsth——习惯于……例句：

Iusedtostayuplate,butnowIamusedtogoingtobedearly.

（我以前熬夜，但现在习惯了早睡。）2.beusedtodosth——被用来做……该结构是usesthtodosth的被动形式同义替换：beusedfordoingsth；例句：

Thisknifeisusedtocutbread.=Thisknifeisusedforcuttingbread.（这把刀被用来切面包。）Woodcanbeusedtomakepaper.（木材可以被用来造纸。）Thecamerawasusedtorecordtheevent.（这台相机被用来记录那个事件。）【练一练】一、单项选择(A)1．Mobilephonescanbeusedto________forinformation,butI’mnotusedto________informationonsuchasmallscreen.A.search;reading B.searching;reading C.search;read D.searching;read(A)2．—Yourbrotherdidn’tusetobeshy,didhe?—________,butnowheisoutgoingandlikesmakingfriends.A.Yes,hedid B.Yes,hedidn’t C.No,hedidn’t D.No,hedid(C)3．Iusedto________veryshy,butI________alottheseyears.A.am;changed B.be;changed C.be;havechanged D.be;hadchanged(B)4．Smokesignals________messagesbyancientChinesesoldiers.A.usedtosend B.wereusedtosendC.wereusedtosending D.usedtosending(D)5．Mycousinusedto________ataxitoschool,butnowsheisusedto________toschool.A.take;walk B.taking;walking C.taking;walk D.take;walking(B)6．We________sixdaysaweek,butnowweonlyworkfivedays.A.usedwork B.usedtowork C.usedtoworking D.areusedtowork(B)7．Mygrandfather________gotobedlate,butnowhe________tobedearly.A.isusedto;isusedtogoing B.usedto;isusedtogoingC.isusedto;usedtogo D.usedto;usedtogo(C)8．There________abigfactorybytheriverinthetownmanyyearsago.A.usedto B.usedtohave C.usedtobe D.wasusedtobe(A)9．—Howdoyouusuallygotoschool?—I________gotoschoolonfoot,butItookabusthismorning.A.usedto B.amusedto C.useto D.used(B)10．I________draw,butnowIamfondofit.A.wasn’tuseto B.didn’tuseto C.don’tuseto D.didn’tused(A)11．There________somesmallrestaurantsandshopsnearourprimaryschool.A.usedtobe B.usedtohave C.wasusedtobe D.wasusedtohaving(C)12．TheChinayouseetodayisquiteadifferentcountryfromtheoneit________.A.usedtobeing B.isusedtobe C.usedtobe D.isusedtobeing(C)13．Thehardlifesheisusedto_________herbecomeolder.Butshelooksveryhealthy.A.making B.bemade C.makes D.make(B)14．—Idon’tcare________,butourschoolprovidesWesternfoodonly.—Noproblem!Justasthesayinggoes,“WheninRome,doastheRomansdo.”A.whatyouareusedtoliking B.whatyouusedtolikeC.whatyouusedtobelike D.whatyouusedtoliking(B)15．There________achurch,butnowitis________ahospital.A.used,usedas B.usedtobe,usedasC.usedtobe,usedtobeing D.isusedtobe,usedtobeing二、句型转换1．Hewasthininthepast.(用usedto变化句式)Hetothin.【答案】usedbe2．Itisusedtoservereallycoldice-cream.（改为同义句）Itisreallycoldice-cream.【答案】usedforserving3．Iusedtohavelonghair.(同义句)Idon’thavelonghair.【答案】anylonger/more4．Heusedtobeafraidofinsects.Hetobeafraidofinsects.(否定句)【答案】didn’t/useduse/not5．Thereusedtobelotsofraininthisseason.(改为一般疑问句)theretobelotsofraininthisseason? 【答案】Diduse6．Woodisusedtomakepaperanddesksbypeople.(改为主动语态)Peoplemakepaperanddesks. 【答案】usewoodto7．Mikeusedtoplaybasketballinthepark.(改为反意疑问句)Mikeusedtoplaybasketballinthepark,?【答案】didn’the8．Didheusetoplaybasketball?(作肯定和否定回答),he./,he.【答案】YesdidNodidn’t9．Mikeusedtodoexerciseeveryday.(对划线部分提问)didMiketodoeveryday?【答案】Whatuse10．The