2014年秋高中英语Module5TheGreatSportsPersonality易混词语辨、练、析讲解外研版必修5误区之一：混淆while与when【误】Shewasonthepointofleavingwhilesomeoneknockedatthedoor.【正】Shewasonthepointofleavingwhensomeoneknockedatthedoor.【析】while意为“当……时候”，从句需用持续性动词或状态性动词；而when引导时间状语从句中的动词既可以是持续性动词也可是非持续性动词。误区之二：错用till/until【误】Until/Tillyesterdayevening,Ireceivedhere-mailfromShanghai.【正】Ididn’treceivehere-mailfromShanghaiuntilyesterdayevening.【析】当until/till从句与肯定的主句连用时，主句谓语动词必须是持续性动词，而不可是非持续性动词。误区之三：省略不当【误】WhilewaswalkingdownthestreetInoticedapolicecarinfrontofnumber88.【正】WhilewalkingdownthestreetInoticedapolicecarinfrontofnumber88.【析】时间、条件、让步等状语从句中，如果从句主语与主句主语一致或是it，且从句中含有动词be的某种形式，从句主语和be可以同时省略。误区之四：倒装语序误用【误】Notuntiltheearlyyearsofthe19thcenturymandidknowwhatheatis.【正】Notuntiltheearlyyearsofthe19thcenturydidmanknowwhatheatis.【析】Notuntil位于句首时，主句谓语采用倒装语序。误区之五：从句时态错用【误】Iwon’tknowwheresheisuntilIwillgetaletterfromher.【正】Iwon’tknowwheresheisuntilIgetaletterfromher.【析】在时间或条件等状语从句中，用现在时表示将来时。误区之六：错用however【误】Howeverheislate,Motherwillwaitforhimtohavedinnertogether.【正】Howeverlateheis,Motherwillwaitforhimtohavedinnertogether.【析】however需和它修饰的词一起放在从句前引导状语从句。误区之七：混用though与although【误】Muchalthoughhelikesher,hedoesgetannoyedwithhersometimes.【正】Muchthoughhelikesher,hedoesgetannoyedwithhersometimes.【析】though与although通常可以互用，但只有though可用于倒装句中。且though可和even连用，表示强调。此外，though可放在句末，意为“然而”，although则不能这样用。误区之八：混淆疑问词+ever与nomatter+疑问词【误】Itisgenerallyconsideredunwisetogiveachildnomatterwhatheorshewants.【正】Itisgenerallyconsideredunwisetogiveachildwhateverheorshewants.【析】“nomatter+疑问词”在句中只能引导状语从句；“疑问词+ever”在句中既可引导状语从句，也可引导名词性从句。
