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1、狀語從句,中考主要考查時間、原因、條件、比較、結(jié)果和讓步狀語從句的基本用法,尤其應(yīng)注意當(dāng)主句為一般將來時時,時間和條件狀語從句用一般現(xiàn)在時表將來。,高頻考向一表時間和原因的狀語從句 時間狀語從句表示主句動作發(fā)生的時間。引導(dǎo)這種從句的連詞有when,before,after,as,while,till,until,since等;起連接作用的短語有as soon as等。在時間狀語從句中,當(dāng)主句是一般將來時或祈使句表示將來的意義時,時間狀語從句用一般現(xiàn)在時表將來。如: Ill let you know as soon as she comes.她一來,我就會讓你知道。 Jane didnt go
2、to bed until she finished her homework.簡直到完成作業(yè)后才睡覺。 原因狀語從句用來說明原因。引導(dǎo)這種從句的連詞有because,since,as等。這三個詞的語氣由because到as逐漸減弱;because回答why提出的問題。如: I wont go with you because I am busy doing my homework now.我不會跟你去,因為現(xiàn)在我正忙著做作業(yè)。 As the weather was fine,we decided to play football.天氣很好,我們決定去踢足球。,【例1】Our Chinese t
3、eacher didnt go to bed ________ he finished his work last night.(2016,重慶) AifBuntilCsinceDbecause 解析:句意為“昨天晚上我們的語文老師直到完成了他的工作才去睡覺?!眎f“如果”;until“直到”;since“自從”;because“因為”。 答案:____ 【例2】 Mark isnt coming to the concert ________ he has got too much work to do. Aso Buntil Calthough Dbecause 解析:so“因此”;unt
4、il“直到”;although“雖然”;because“因為”。“太多工作要做”是“沒有來音樂會”的原因。 答案:____,B,D,高頻考向二表條件和讓步的狀語從句 條件狀語從句常用連詞if,unless等引導(dǎo)。當(dāng)主句是一般將來時或祈使句表示將來的意義時,if,unless引導(dǎo)的條件狀語從句用一般現(xiàn)在時表將來。如: Will you come if he comes here?如果他來,你會來嗎? If it rains tomorrow,well stay at home.如果明天下雨,我們會待在家里。 讓步狀語從句常用連詞though,although引導(dǎo)。注意though/althoug
5、h與but在句中不能同時出現(xiàn)。如: We had to go on walking though we were really tired.盡管很累了,但是我們不得不繼續(xù)走。 Although he is not rich,he lives happily.盡管他不富有,但是他生活得很幸福。,【例3】You bought the car about ten years ago? Yes.________ its old,it still runs well. ABecause BSince CAlthough DBut 解析:考查讓步狀語從句。句意為“盡管舊了,但它運轉(zhuǎn)很好”。because“
6、因為”,since“既然”,although“盡管”,but“但是”。 答案:____ 【例4】 I enjoy fresh air so I always let the window open ________ it is really cold.(2017,預(yù)測) Aunless Bwhen Cif Dsince 解析:句意為“我喜歡新鮮空氣,因此我總是讓窗戶開著,除非真的很冷?!惫蕌nless“除非”符合題意。 答案:____,C,A,【例5】Mary,could you tell me if your mother ________ our school sports meeting
7、 tomorrow?(原創(chuàng)題) I think she will come to school if she ________ free. Awill take part in;will be Btakes part in;is Cwill take part in;is Dtakes part in;will be 解析:考查if引導(dǎo)的賓語從句及條件狀語從句的用法。問句是由if引導(dǎo)的賓語從句,時間狀語為 tomorrow,故用一般將來時;答語是由if引導(dǎo)的條件狀語從句,主句用將來時,從句用一般現(xiàn)在時。 答案:____,C,高頻考向三表目的和結(jié)果的狀語從句 目的狀語從句表示主句的動作發(fā)生的目的
8、,這種從句用連詞so that,in order that等引導(dǎo)。so that或in order that引導(dǎo)的目的狀語從句中常常要用情態(tài)動詞may,might,can,could,will,would或should等。如: Please speak loudly so that everyone can hear you.請大聲說,以便每個人聽見你說的話。 He got up very early this morning in order that he could catch the first bus.為了能趕上第一班公交車,他早上起得很早。 結(jié)果狀語從句表示主句的動作所引起的結(jié)果,
9、這種從句由such...that,so...that,so that等引導(dǎo)。such修飾名詞;而so修飾形容詞或副詞。如: The film isnt so interesting that nobody likes it.這部電影不是那么有趣,沒人喜歡它。 It was such a cold day that nobody wanted to go out.天氣那么冷,沒人想出去。,【注意】so...that...句型的否定形式可用簡單句too...to...或not...enough to代替。如: He is so young that he cant go to school. He
10、 is too young to go to school. He is not old enough to go to school.他太小了,不能去上學(xué)。 【例6】You study ________ hard ________ youre sure to pass the exam. Thank you for saying so.(2015,福州) Aenough;to Bas;as Cso;that 解析:enough...to“足夠做”;as...as...“和一樣”;so...that...“如此以至于”。句意為“你學(xué)習(xí)如此努力以至于你肯定能通過考試。”“謝謝你這么說?!?。 答案:____,C,【例7】I looked through my test paper again and again ________ I wouldnt make any mistakes.(2016,威海) Aso Bbecause Cso that 解析:so意為“所以,因此”,表結(jié)果。because意為“因為”,引導(dǎo)原因狀語從句。so that意為“為的是,以便”時,引導(dǎo)目的狀語從句;意為“因此”時,引導(dǎo)結(jié)果狀語從句。根據(jù)空格前的“我瀏覽了我的試卷一遍又一遍”可推知,“為的是我不犯錯誤”。 答案:____,C,