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1、GrammarFocus语法精讲usedtodosth.的用法小结1.usedtodosth.表示“过去常常做某事”,将过去和现在对比，暗示现在不做了。to为动词不定式符号，后接动词原形。如：Heusedtogotoschoolatsixo’clock.他过去常常六点去上学。2.usedtodosth.的否定形式：主语+usedn’ttodosth.或主语+didn’tusetodosth.如：Heusedtoplaycomputergamesallday.他过去常常整天玩电脑游戏。→Heusedn’ttoplaycomputergamesa
2、llday.=Hedidn’tusetoplaycomputergamesallday.他过去不常整天地玩电脑游戏。注意：usedn’t=usednot3.usedtodo的疑问句形式及其答语。(1)Used+主语+todo…？回答：Yes,sb.usedto./No，sb.usedn’tto.如：TomusedtowatchTV.→UsedTomtowatchTV?Yes，heusedto./No,heusedn’tto.(2)Did+主语+usetodo…?回答：Yes,sb.did./No,sb.didn’t,如：Iusedtodoho
3、meworkafterschool.→Didyouusetodohomeworkafterschool?Yes,Idid./No，Ididn’t.4.usedtodo的反意疑问句形式也有两种，类似于否定句形式。如：—TheyusedtoseeEnglishmoviesonSundays,usedn’tthey?/didn’tthey?—Yes，theyusedto./No,theyusedn’tto.或Yes,theydid./No,theydidn’t.5.usedto也可用于therebe结构，表示“过去常有”。如：Thereusedto
4、beameetingeveryMondaymorninglastmonth.上个月每个星期一上午总要开会。6.get/beusedto(doing)sth.习惯于(做)某事；usesth.todosth.用……做某事；beusedtodosth.被用于做某事；beusedfor(doing)sth.用于做某事；beusedby被……所用。语法精练Ⅰ.用括号内所给单词的适当形式填空。1.Mylittlebrotherused________(play)ping-pong.2.I’musedto__________(get)upearly.3.W
5、oodisused________(make)desks,chairs,tablesandsoon.4._________you_________(use)tobeshort?5.Today,computers_________(use)inbothcitiesandtowns.Ⅱ.根据汉语提示完成下列句子,每空一词。6.He___________________________(以前是)ahistoryteacherinourschool.7.There________________________(以前有)anoldtemplenear
6、thevillage.8.She_______________________________(习惯于散步)aftersupper.9.Wood_________________________________(被用来制造)paper.10.Mrs.Black____________________________________(已习惯于)eatingwithchopsticks.Ⅲ.按要求完成句子，每空一词。11.Mybrotherusedtoplayfootballafterschool.(改为一般疑问句并作否定回答)—______yo
7、urbrother_____________________footballafterschool?—No,he_______.12.Tomusedtobeaquietboy.(改为否定句〉Tom____________________________aquietboy.13.Thereusedtobeanoldhospitalbehindourschool,_________________?(完成反意疑问句)14.Iusedtoseemyauntonceamonth.(对画线部分提问)______________________you__
8、____________seeyouraunt?15.Maryusedtostandatthewindowandwavegoodbye.(改为一般疑问句)_____
