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1、高中英語狀語從句一、定義：在句中作狀語的從句是狀語從句,修飾主句中的動(dòng)詞、形容詞或副詞等.狀語從句由從屬連詞引導(dǎo),從屬連詞在句中不充當(dāng)句子成分,只起連接作用,狀語從句放在句首時(shí),要用逗號(hào),放在句尾時(shí)不用.二、分類根據(jù)意義上的不同,狀語從句可分為：①時(shí)間狀語從句②地點(diǎn)狀語從句③原因狀語從句④目的狀語從句⑤條件狀語從句⑥結(jié)果狀語從句⑦讓步狀語從句⑧方式狀語從句⑨比較狀語從句三、時(shí)間狀語從句主句是一般將來時(shí),時(shí)間狀語從句用一般現(xiàn)在時(shí)表將來；主句是過去將來時(shí),從句用一般過去時(shí)表示過去將來時(shí)；主句是一般過去時(shí),從句用一般過去時(shí).記憶：“主將從現(xiàn)”（一）引導(dǎo)時(shí)間狀語從句的連詞有：As,when(w
2、henever),before,after,assoonas,until(till),since,everytime,once.?（二）、具體應(yīng)用1）“while”主、從句動(dòng)作或狀態(tài)同時(shí)發(fā)生.用while引導(dǎo)的從句用延續(xù)性動(dòng)詞,常表示較長的時(shí)間或一個(gè)過程.記憶：While后用進(jìn)行時(shí).Whilewewerehavingsupper,allthelightswentout.Pleasekeepquietwhileothersarestudying.WhileIwaswritingletterslastnight,hewaswatchingTV.2）When表示“就在……的時(shí)候”,while
3、意為反而,可是,表示轉(zhuǎn)折.OneeveningBeethovenwaswalkinginastreet,whenhesuddenlystoppedoutsidealittlehouse.3）Whenever無論什么時(shí)候,隨時(shí)1.Wheneversomeonethrowsinsomerubbish,thetruckproducesapieceofmusic.每當(dāng)有人扔進(jìn)一些垃圾時(shí),它（汽車）就放一段音樂.2.Wheneverwe’reintrouble,theywillhelpus.3.Igotothetheatre,wheneverIamfree.4.Comeandseemewhene
4、veryouwantto.你隨時(shí)來看我.4）till和until(表示“直到……”)句首多用until1、在肯定句中表示“直到……為止”,主句謂語動(dòng)詞要用延續(xù)性動(dòng)詞.Iwaswaitinguntil/tillhearrived.2、在否定句中表示“直到……才”主句謂語動(dòng)詞常用終止性動(dòng)詞,這時(shí)until和till常被before替換.Ididn'tleavetill/untilshecameback.5）since:主句用完成時(shí),從句用一般過去時(shí),since引導(dǎo)的從句間或可用現(xiàn)在完成時(shí).ItistwoyearssinceIhavestudiedEnglish.1.Wehaveknowne
5、achothersincewewerechildren.2.Wehavebeenfriends(eversince)sincewemetatschool.3.Itis……(一段時(shí)間)+since+一般過去時(shí)態(tài)句子.Itistwoyearssincemysistermarried.……(一段時(shí)間)have/haspassedsince+一般過去時(shí)態(tài)句子Twosistershave/haspassedsincemysistermarried.Since+時(shí)間點(diǎn)1.Ihavebeenathomesincethreeo'clockthisafternoon.2.MariahasbeeninCh
6、inasincetwoyearsago.6）Everytime,eachtime,nexttimeEverytimeyougetbackatnight,youdropyourbootsonthefloor.EverytimeIcatchcold,Ihavepaininmyback.NexttimeIgothere,Iwillvisitthem.7）once一旦…就Onceyoubegin,youmustgoon.你一開了頭,就應(yīng)該繼續(xù)下去.四、地點(diǎn)狀語從句地點(diǎn)狀語從句用where,wherever引導(dǎo)Weshouldgowherethepeopleneedus.我們應(yīng)該去人民需要我們的
7、地方.Wherethereisawill,thereisaway. 有志者,事竟成.Wherevertheywent,theyreceivedawormwelcome. 無論他們走到哪兒都受到熱烈歡迎.Shefollowhimwhosehegoes.他無論到哪里她總跟著.五、原因狀語從句原因狀語從句用because(因?yàn)?,since(既然),as(由于)引導(dǎo)1、字母由多到少,語氣由強(qiáng)到弱.2、由why提問必須用because回答.Since,
