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1、第一部分:名词从句考点与解题思路(1)判断问题:放句首没有用逗号分开的,一般是主语从句,也有可能是状语从句,但从句结束后若有体现时态变化的动词,则一定是主语从句。放及物动词后,若及物动词不是被动语态,后面一定是宾语从句;若句首为It,该及物动词是被动语态,后面一般是主语从句(It+is+adj/n./done+that/whether/when…)或状语从句。放be动词后,后面就是表语从句,但“Itis/was+从句(被强调成分)+that”是强调句(强调句中“非谓语”)。放名词后,一般是定语从句,但若该名词有“内涵/内容”(f
2、act/truth/news/information/problem/suggestion/idea/doubt),则很可能是同位语从句。用逗号分开的从句,一般是状语从句或as/which引导的定语从句,也要注意用放在句中用逗号分开的“插入语”(however,forexample,believeitornot等)。Whenhewillbebackremainsunknown.WhenhecamebackheturnedontheTV.Idon’tknowwhenhewillbeback.Itisunknownwhenhewil
3、lbeback.ItwasbecausemyalarmclockwasbrokenthatIwaslatethismorning.Wasitunderthetree______youweretalkingwithyourfriend?Yes,butwhenIgotback,thebikewasgone.A.whenB.thatC.whichD.where(2)语序问题:名词从句一定是“陈述句语序”(主语在前,谓语在后,主语前面不能有谓语动词)Whendidhecomeback?èIdon’tknowwhenhecameback.
4、(3)what从句问题:若名词从句中缺少主语/宾语/表语,则一般用what引导;定语从句缺少主语/宾语,则一定用关系代词引导,不缺主语或宾语,则用关系副词(when/where/why)或“介词+关系词”引导。Tips:从句引导词中有3个词往往要加上某个词,用“两个词(或以上)”引导从句模式:how/however/nomatterhow+adj/adv+主语è<名从/状从>whose+名词+主语è<定从>which/whose(+名词)+主语è<名从>Idon’trememberwhatsizeshoeshewears.(4)
5、that从句中的“虚拟语气”问题:虚拟语气分2大类:针对“现在”、“过去”、“将来”情况的“假设/虚拟”规律:对“现在”的虚拟:用一般过去时,其中be动词一律用were(不论人称和数)eg.IfIwereyou,Iwouldlistentohisadvice.àWereIyou,…Ifhewereherenow,hewouldhelpme.àWereheherenow,…对“过去”的虚拟:用过去完成时haddoneeg.Ifyouhadbeenhereyesterday,youwouldknowtheanswernow.<错综虚
6、拟,时间不一致>牛津教材:Ifhewereherenow,Iwouldhaveknownaboutitalready.Ifwehaddriveninturn,youwouldn’thavebeensotiredyesterday.ðHadyoubeenhereyesterday,…Hadwedriveninturn,…对“将来”的虚拟:可以用一般过去时,但要优先用shoulddo/weretodoeg.Ifitshouldraintomorrow,wewouldn’tgoforthepicnic.ðShoulditraintom
7、orrow,…但也要注意:对于“将来”的假设,有“真实条件”与“非真实条件”之分<很可能发生的>:时间和条件状语从句,用现在时表将来(主将从现)“主将”:将来时/祈使句/含can或may的句子eg.Ifheisfreetomorrow,hewillcometovisitus/tellhimtocomehere/hecangoshoppingwithyou.<不太可能的>:用虚拟语气,此时主句(结果)一定有过去式的would/should/could之类。分类:1)if引导的条件句后2)wish表“但愿”/“真希望”后面的宾语从句
8、:Iwishyouhadbeenhereyesterday.区分:wish表“祝愿”:句型èwish+sb+名词(短语)/adjIwishyouahappybirthday.3)asif+从句,“似乎/好像”:Theytalkedasiftheyhadbeenf