grammar focus-2

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1、Unit13SectionAGrammarFocusReadthesentencesbelow,payingattentiontotheunderlinedparts.Theriverusedtobesoclean.Heusedtolooklikesoshyandquiet.Everyoneinthistowndidn’tusedtothrowrubbishaway.Didthevillageusetobeveryquiet?Doyouknowwhat’sthemeaningoftheunderlined“usedto”?Doyouknowtheotherformsofth

2、isstructure?Whatarethedifferencesof“usedto”and“beusedto”?否定形式为：usednotto+do或：didn’tusetodo疑问形式为：Used…to…?或：Did…useto…?“usedto+动词原形”表过去的习惯或过去经常反复发生的动作或状态，但现在已经不再存在了。可用于所有人称。Ididn’tusetobepopularinschool.Didheusetobeshort?/Usedhetobeshort?Hedidn’tusetobeshort./Heusednottobeshort.Youusedtobeq

3、uiet,didn’tyou?你以前很文静，是不是？反意疑问句:陈述句,didn’t/usedn’t+主语?beforenowPeopleusedtothrowwasteintotheriverandpollutedit.→small,oldhousesnewflatsTheyusedtoliveinsmall,oldhouses.句型转换1.Heusedtotakeawalkintheparkhere.(改为否定句)He_________/_______totakeawalkintheparkhere.didn’tuseusedn’t2.Sheusedtohangoutw

4、ithfriendsonweekends.（改为一般疑问句并作回答）—_______she______________hangoutwithfriendsonweekends?—Yes，she_______./—No,she_______.3.Theboyusedtochewgumalot,______________he?（完成反意疑问句）Didusetodiddidn’tdidn’t/usedn’t比较：beusedtodosth.该句式表示“被用于(做某事)”。注意:句式中used是use的过去分词,beused是被动语态;to为不定式符号,后跟原形动词。例如:Don

5、'tthrowawaythepapers.Theycanbeusedtomakeafire.别扔掉这些报纸,它们可以用来引火。Woodcanbeusedtomakepaper.木头可以用来造纸。知识链接比较：be(get)usedtosth./doingsth.beusedto+doing：“对……已感到习惯”，或“习惯于”，to是介词，后需加名词或动名词。知识链接IfoundthejobtiringatfirstbutsoonIwas/gotusedtoit.刚开始我觉得这个工作很累，但是不久就习惯了。Heusedto_______inthesun,butnowheisu

6、sedto_______atnight.A.read,readB.reading,readC.read,readingD.reading,reading[解析]考查固定结构的用法。usedto后接动词原形，beusedto后接动名词。故选C。典型例题用括号内所给动词的适当形式填空。Mysisterusedto_______(be)anurse.I’musedto_______(wash)myfacewithcoldwater.Mypenfriendusedto________(speak)Japanese,butnowheisusedto________(speak)Chi

7、nese.bewashingspeakspeaking单项选择1.I_______shortstraighthair,butnowIhavelongcurlyhair.A.usetobeB.usetohaveC.usedtohaveD.usedtobe练一练2.She_______listentoclassicalmusic,butnowshe_______listeningtopopmusic.A.usedto;usedtoB.isusedto;isusedtoC.isusedto;usedtoD.usedto;