as--as结构

1)as{adj/adv的原形}as与…一样e.g.Theywereasgentleassheep.as…asthesameasasheavyasthesameweightasasoldasthesameageasashighasthesameheightasasbigasthesamesizeas2)否定:notas/so…as不如……比较级+thane.g.Heisnotas/sotallasme.Heisshorterthanme/I’mtallerthanhim.Somedinosaurswereasgentleassheep.同级比较——和…一样…•例:这个音乐听起来很好•Themusicsoundsgood/nice.•例:这个音乐听起来和那个一样好as…as…•Themusicsoundsasgood/niceasthat•否定句中:not…as…as…/not…so…as…•Themusicdoesn’tsoundas/sogoodasthat•步骤:•一:写最简单的句子•二:找好所比的内容•三:用as…as…前后夹击,+比较对象Examples•例:他长得衰•Heisugly•他和王彤长得一样衰•Heisasuglyaswt•例:他做得好•Hedoeswell•他和他做得一样好•Hedoesaswellashim.•例:他和她一样常来玩•Heplaysasfrequentlyasher.sharpbigsmallThedinosaur’steethwereassharpasknives.Thedinosaurwasasbigas10elephants.Thedinosaurswereassmallaschickens.beautifullysomedinosaurscouldflyasbeautifullyasplanes.workhardTheworkersworkashardasthepolicemen.拓展——倍数•(Once)as…as…•Twiceas…as…•3timesas…as…•10timesas…as…•这个大厦是这个屋子的十倍高。•Thebuildingis10timesashighasthehouse.As…as…结构的总结•一:判断as…as之间所需单词词性,必须熟练掌握good,well的区别•二:倍数的问题•三:as…as的否定形式•中国登月不像美国那么早Chinadoesn’tlandonthemoonas/soearlyasU.S.A.•四:区别assoonas…一…就…•as…aspossible尽可能……assoonaspossible尽可能快的•五:aswell---aswellas的区别•aswell=too•Hedoesaswellashisbrother,aswell.•他也像他的兄弟那样做得一样好•Sheisnothalfascleverasherbrother.•Sheisnotashalfcleverasherbrother.•［2误］•［析］在as…as结构中要将修饰形容词的数量词倍数及nearly,almost,exactly…等置于第一个as•Theboysatthereasquietashissister.•Theboysatthereasquietlyashissister•［1误］•［析］as…as的用法要注意的是：•①在其中间应加形容词或副词的原级，而不可加比较级，也有的语法书中称为同级比较。•②要根据句意决定是加形容词还是副词，这要看它具体是修饰动词还是名词而定，如：Heisasgoodashisfriend.•StudyingphysicsisnotsointerestingastolearnEnglish.•StudyingphysicsisnotsointerestingaslearningEnglish.•［1误］•［析］在作比较时，英语一般要求对比的两部分结构应一致。如用动名词，应都用动名词，用不定式时则都用不定式。但有时在后一个不定式前的符号to可以省略。如：Torepairtheoldoneisasmuchexpensiveas(to)buyanewone.•7Idon'tthinkEnglishis＿＿＿Chinese.•A.asimportantasB.notimportantas•C.notsoimportantD.importantas•［答案］A.•［析］think+宾语从句时，应采用否定主句的形式，如：中文讲，我认为你不对，英文应为：我不认为你对。Idon'tthinkyouareright.所以不能选答案B。而C、D•10I'llwork＿＿＿Ican.•A.sohardlyasB.sohardasC.ashardlyasD.ashardas•［答案］D.•［析］hard可用作形容词和副词，•如：Thedeskwasmadeofhardwood•又如：Itisraininghard。•而hardly是副词，其词义是几乎不，•如：HardlydidIsleeplastnight.我昨晚几乎没有睡觉。•而且hardly用于句首时要采用倒装语序。•as…as即可以用于肯定句，也可以用于否定句，•但so…as•12Katesings＿＿＿Joan.•A.aswellasB.asgoodasC.sogoodasD.asbetteras•［答案］A.•［析］这里well为副词，意为唱得好•15.Yourhatlooksasstrangeas__.•AheBhis•ChimDher•［答案］B.•［析］yourhat是物，所以as后要用名词性物主代词•16.---Youareas__asyourbrother.•---Yes,Iseldomhaveacold•AgoodBnice•CkindDwell•［答案］D.•［析］well表“健康”是形容词，•17.---Youdohouseworkas__asyourwife.AcarefullyBcareful•CgoodDwonderful•［答案］A.•［析］do---配副词，