高中英语 Unit5 First aid Grammar课件 新人教版必修5.ppt

grammar unit5firstaid brevityisthesoulofwit shakespeare ellipsis 省略 为了使语言简洁或避免重复 省略句中的一个或几个句子成分 这种语法现象称为省略 主语it 谓语is 表语ready 宾语problems 定语ofthemoney 状语even readthefollowingsentencesandfindoutwhathavebeenleftout exercise 1 likemorebeer likemorebeer 2 haven tseenyouforages haven tseenyouforages 3 soundslikeagoodidea soundslikeagoodidea 4 sorryicouldn tgo sorryicouldn tgo 5 doesn tmatter doesn tmatter wouldyou i it i m it 6 ifhesayshe llcome hewill ifhesayshe llcome hewill 7 goingtothesupermarket goingtothesupermarket 8 pityyoucouldn tcome pityyoucouldn tcome 9 soundsgood soundsgood10 everybodyappearswellprepared everybodyappears wellprepared come it s areyou it tobe practicingdiscoveringusefulstructures ingroups lookatthesepairsofsentences page37 discussthedifferencebetweenaandbineachpair rewritethesesentencestakingouttheunnecessaryparts 5 didshepassthefirstaidtestthatshedidyesterdayordidn tshepass 6shecouldnotdecidedwhethertosendhimtohospitalornottosendhimtohospital 7whenyournoseisbleeding youshouldbendforwardsothatthebloodrunsoutofyournoseandtheblooddoesn trundownyourthroat 8onlysomeofthestudentshavedoneafirstaidcoursebutmostofthestudentshaven tdoneafirstaidcourse 复合句中的省略 1 当状语从句的主语和主句的主语一致时 可以省略状语从句中的主语和系动词be 这时从句中可出现如下结构 连词 as asif once 名词 once hewas ateacher henowworksinagovernmentoffice 连词 though whether when 形容词workhardwhen youare young oryou llregret 连词 when while though 现在分词while iwas walkingalongthestreet iheardmynamecalled 连词 when if evenif unless once until than as 过去分词 连词 asif asthough 不定式heopenedhismouthasif hewere tospeak 2 当从句主语是it 谓语动词有含有系动词be时 可以把it系动词be一起省略 此时构成连词 if unless when whenever 形容词的结构 如 unless itis necessary you dbetternotrefertothedictionary 另外 我们还可以用so或not代替上文内容 此时可有if so not getupearlytomorrow ifnot youdon tgetupearly youwillmisstheearlybus hemaynotbeathomethen ifso heisnotathome leavehimanote 3 在than或as as引导的从句中 常含有一些成分在上下文清楚的情况下被省略 hehasmadegreaterprogressthan hedid before ever hecamehomeearlierthan hewas expected sheworksashardasyoungpeople 4 不定式省略 单独使用不定式符号to 在expect forget hope intend like love mean prefer refuse seem try want wish等后面 如 iaskedhimtoseethefilm buthedidn twantto 在have need ought begoing used等后面 在某些形容词pleased glad happy等后面 willyoujointhegame i dbegladto 否定形式的省略用notto 如果不定式中含有be have havebeen 通常保留be have 和havebeen 如 hehasn tfinishedyet well heoughttohave multiplechoices a c d a 1 afterlivinginavillageforsolong kathywon twanttomovetoabigcity idon timagine sob tooc itd that2 hedressedupandwenttothepartyasif 07 山东诊断二 wasinvitedb hadbeeninvitedc invitedd tobeinvited3 iwaswonderingifwecouldgoskiingontheweekend goodsoundb soundedc soundingd sounds4 iremindedyounottoforgettheappointment soyoudidb soidonotc sodidyoud sodoi 5 georgeofferedabettersuggestiontomethan henrydidtosmithb thatofsmith sc michael sd whatcharlieofferedtome6 thestudentsexpected tobemorereviewingclassesbeforethefinalexamsa thereb itc thatd one7 broken theglasscannotholdwater onceb afterc ond though8 whatshouldidowiththispassage themainideaofeachparagraph a findingoutb foundout