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1、.WORD完美格式.初中英语语法---复合句本部分内容是中考中必考及常考考点。考点详解:从句的概念:一个句子在另一个句子中充当成分,充当什么成分就做什么状语。一、宾语从句1、宾语从句的引导词Ø宾语从句是陈述句时,常用that引导,that无意义,在口语中和非正式与中常省略。如:Theteachertellsus(that)wewillhaveanEnglishtesttomorrow.Ø如果宾语从句由一般疑问句转换而来,其引导词用if或whether。一般情况下,二者可以通用,但从句中有ornot或从句充当介词的宾语时,只用whether。如:Idon
2、’tknowifwhethershewillcomehere.Sorry,Idon’tknowwhetherhewillcomeornotØ宾语从句是特殊疑问词时,引导词就是特殊疑问词。如:Couldyoutellmewherethepostofficeis?Theteacheraskedthestudentswhattheyweredoing.2、宾语从句的时态Ø主句的时态是一般现在时,从句的谓语动词的时态要根据具体的情况用相应的任何时态。如:Doyouknowwhowastalkingwithat8o’clocklastnight?Ø主句的时态为
3、一般过去时,从句的谓语动词要用相应的某一过去时态。如:HetoldmethathehadbeentoEnglandtwice.Ø从句表示的是客观真理、普遍现象,自然现象时,从句的时态一律使用一般现在时。如Shesaidthesunrisesintheeast.3、宾语从句的语序Ø在含有宾语从句的复合句中,宾语从句要使用陈述句语序,“引导词+主语+谓语+其他”。如:Iwanttoknowwhenthetrainleft.Ø由do,does,did构成的疑问句,在装换成宾语从句时,要去电do,does,did,且从句中的谓语动词要根据主句时态作出相应的变化
4、。如:.技术资料.专业整理..WORD完美格式.Doeshesingwell?Themusicteacheraskedhim.--->Themusicteacheraskedhimif(whether)hesangwell.Ø如果是will,be,have,can组成的疑问句,在变为宾语从句时,要把这些词还原到谓语位置上,并根据主句的时态作相应的变化。如:Willyoubefreetomorrow?Sheaskedme.--->Sheaskedmeif(whether)Iwouldbefreetomorrow.4、宾语从句的简化Ø当宾语从句的主语和主句
5、的主语相同时,且主句的谓语动词时hope,wish,decide,agree,choose等时,从句可以简化为不定式。IhopethatIcanreceiveyoure-mail.=Ihopetoreceiveyoue-mail.Ø当宾语从句的主语和主句的主语相同,且主句的谓语动词是know,remember,forget,learn等时,从句可简化为“疑问句+不定式”。Shedoesn’tknowwhatsheshoulddonext.=Shedoesn’tknowwhattodonext.5、否定转移在主从复合句中,当主句的主语为第一人称时,谓语动
6、词时think,believe,suppose等时,要将从句的否定词转移到主句中,即主句的谓语动词用否定形式,而从句的谓语动词用肯定形式。Idon’tthinkhewillcomewithyou.一、状语从句类型引导连词例句when,while,as,before,after,since,until,assoonasYoudidn’tlookverywhenyougotupthismorning..技术资料.专业整理..WORD完美格式.时间状语从句条件状语从句if,aslongas,unlessI‘llstayathomeifitrainstomor
7、row.原因状语从句because,since,as,forYoucan’tgotherealonebecauseyouaretooyoung.目的状语从句Sothat,inorderthatPleasesayitinaloudvoicesothateveryonecanhearit.结果状语从句so....thatsuch....thatIt’ssohotthatwewanttogoswimming.让步状语从句thoughalthough,evenif,wheneverEventhoughheiseighty,themanlooksstrong
8、andhealthy.比较状语从句than,as....as,notasso...asHer