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1、中考英語考點:狀語從句【分類】時間狀語從句 when,whenever,while,as,before,after,since,till,once,assoonas,etc.地點狀語從句 where,wherever原因狀語從句 because,since,as,for,nowthat,etc.目的狀語從句 inorderthat,sothat,that,etc.結(jié)果狀語從句 so…that,sothat,such…that,that,etc.條件狀語從句 if,unless,as(so)longas,etc.讓步狀語從
2、句 though,although,evenif,eventhough,however,whatever,as,etc.比較狀語從句 as…as,so…as,than,etc.方式狀語從句 as,asif,asthough,etc.【定義】用來修飾主句中的動詞,副詞和形容詞的從句叫狀語從句。1.時間狀語從句(1)時間狀語從句常用when,as,while,before,after,since,till,until,assoonas等連詞來引導(dǎo)。例如:Itwasraininghardwhengottoschoolyesterday
3、.Whilehewasdoinghishomework,thetelephonerang.Ashewalkedalongthelake,hesanghappily.HehadlearnedalittleChinesebeforehecametoChina.Afterhefinishedmiddleschool,hewenttoworkinafactory.(2)在時間狀語從句里,通常不用將來時態(tài),用現(xiàn)在時態(tài)表示將來的動作或狀態(tài)。例如:I’llringyouupassoonasIgettoNewYork.Iwilltellhimeve
4、rythingwhenhecomesback.Hewon’tbelieveituntilheseesitwithhisowneyes.(3)在帶有till或until引導(dǎo)的時間狀語從句的主從復(fù)合句里,如果主句用肯定式,其含義是“一直到……時”,謂語動詞只能用延續(xù)性動詞。如果主句用否定式,其含義是“直到……才……”,“在……以前不……”,謂語動詞可用瞬間動詞。例如:Theyoungmanreadtillthelightwentout.Let’swaituntiltherainstops.Wewon’tstartuntilBobcome
5、s.Don’tgetoffuntilthebusstops.2.條件狀語從句(1)條件狀語從句通常由if,unless引導(dǎo)。例如:Whatshallwedoifitsnowstomorrow?Don’tleavethebuildingunlessItellyouto.(2)在條件狀語從句里,謂語動詞通常用現(xiàn)在時態(tài)表示將來的動作或狀態(tài)。例如:I’llhelpyouwithyourEnglishifamfreetomorrow.Hewon’tbelateunlessheisill.(3)“祈使句+and(or)+陳述句”相當(dāng)于一個帶有條
6、件狀語從句的復(fù)合句。例如:Hurryup,oryou’llbelate.5=Ifyoudon’thurryup,you’llbelate.Studyhardandyouwillpasstheexam.=Ifyoustudyhard,youwillpasstheexam.3.原因狀語從句(1)原因狀語從句通常由because,since,as引導(dǎo)。例如:Hedidn’tcometoschoolbecausehewasill.Asitisraining,weshallnotgothezoo.Sinceyoucan’tanswertheq
7、uestion,I’llasksomeoneelse.(2)because表示直接原因,語氣最強。Because引導(dǎo)的原因狀語從句多放在主句之后?;卮鹩蓋hy提出的問題,只能用because。As和since語氣較弱,一般用來表示明顯的原因。由as和since引導(dǎo)的原因狀語從居多放在句首。例如:------Whyaren’tgoingthere?------BecauseIdon’twantto.Ashehasnocar,hecan’tgetthereeasily.Sincewehavenomoney,wecan’tbuyit.(3
8、)because和so不能同用在一個句子里。4.結(jié)果狀語從句(1)結(jié)果狀語從句由so…that,such…that,sothat引導(dǎo)。例如:Heissopoorthathecan’tbuyabikeforhisson.Sheissuc