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时间:2020-12-04
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1、__________________________________________________usedto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'ttoplaycomputergam
2、esallday.=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:Iusedtodohomeworkafterschool.→Di
3、dyouusetodohomeworkafterschool?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:ThereusedtobeameetingeveryMondaymorninglastmonth.上个月每个星期
4、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.被用来做某事;beusedfor(doing)sth.被用来做某事;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.Woodisused(make)desks,chairs,tablesandsoon.4.you(use)tobeshort?5.Today,computers(use)in
5、bothcitiesandtowns.收集于网络,如有侵权请联系管理员删除__________________________________________________Ⅱ.根据汉语提示完成句子,每空一词。6.He(以前是)ahistoryteacherinourschool.7.There(以前有)anoldtemplenearthevillage.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.按要求完成下列句子,每空一词。11.Mybrotherusedtopl
6、ayfootballafterschool.(改为一般疑问句并作否定回答)—yourbrotherfootballafterschool?—No,he.12.Tomusedtobeaquietboy.(改为否定句)Tomaquietboy.13.Thereusedtobeanoldhospitalbehindourschool.(完成反意疑问句)Thereusedtobeanoldhospitalbehindourschool,14.Iusedtoseemyauntonce__a__month.(对画线部分提问)youusetoseeyouraunt?15.Maryusedtostanda
7、tthewindowandwavegoodbye.(改为一般疑问句)Marystandatthewindowandwavegoodbye?实数的运算练习一(1)(2)(3)(4)(5)(6)(7)收集于网络,如有侵权请联系管理员删除__________________________________________________(8)(9)(10)(11)(13)(12)(14)(15)(16)收集于网络,如有侵权请联
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