人教版,英語,第34講 狀語從句,中考主要考查時(shí)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(shí)時(shí)，時(shí)間和條件狀語從句用一般現(xiàn)在時(shí)表將來。,高頻考向一 表時(shí)間和原因的狀語從句 時(shí)間狀語從句表示主句動(dòng)作發(fā)生的時(shí)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(shí)間狀語從句中，當(dāng)主句是一般將來時(shí)或祈使句表示將來的意義時(shí)，時(shí)間狀語從句用一般現(xiàn)在時(shí)表將來。 如：I'll let you know as soon as she comes.她一來，我就會(huì)讓你知道。 Jane didn't go to bed until she finished her homework.簡(jiǎn)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)這種從句的詞有連詞because，since，as等。這三個(gè)詞的語氣由because到as逐漸減弱；because回答why提出的問題。 如：I won't go with you because I am busy doing my homework now.我不會(huì)跟你去，因?yàn)楝F(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】I'll give it to Jim as soon as I _ him tomorrow.(2015，崇左) Asaw Bwill see Csee Dhave seen 解析：as soon as表示“一就”，其主句用將來時(shí)態(tài)，從句要用一般現(xiàn)在時(shí)態(tài)。 答案：_C_,【例2】 Mark isn't coming to the concert _ he has got too much work to do. Aso Buntil Calthough Dbecause 解析：“太多工作要做”是“沒有來音樂會(huì)”的原因。 答案：_D_,高頻考向二 表?xiàng)l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)。if，unless引導(dǎo)的條件狀語從句中，當(dāng)主句是一般將來時(shí)或祈使句表示將來的意義時(shí)，時(shí)間狀語從句用一般現(xiàn)在時(shí)表將來。 如：Will you come if he comes here？如果他來，你會(huì)來嗎？ If it rains tomorrow，we'll stay at home.如果明天下雨，我們會(huì)待在家里。,讓步狀語從句用從屬連詞though，although引導(dǎo)。注意though/although與but在句中不能同時(shí)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._ it's 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(yùn)轉(zhuǎn)很好”。because“因?yàn)椤?，since“既然”，although“盡管”，but“但是”。 答案：_C_,【例4】 I enjoy fresh air so I always let the window open _ it is really cold. 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。”故unless“除非”符合題意。 答案：_A_,【例5】Mary，could you tell me if your mother _ our school sports meeting tomorrow？(2015，濱州) 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(shí)間狀語為 tomorrow，故用一般將來時(shí)；答語是由if引導(dǎo)的條件狀語從句，主句用將來時(shí)，從句用一般現(xiàn)在時(shí)。 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(dòng)作發(fā)生的目的，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(dòng)詞may，might，can，could，will，would或should等。 如：Please speak loudly so that everyone can hear you.請(qǐng)大聲說，以便每個(gè)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(dòng)作所引起的結(jié)果，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 isn't 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：so.that.句型的否定形式可用簡(jiǎn)單句too.to.或not.enough to代替。,如：He is so young that he can't go to school. He 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 _ you're sure to pass the exam.(2015，福州) Thank you for saying so. Aenough；to Bas；as Cso；that 解析：考查so.that的用法。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?！薄爸x謝你這么說。” 答案：_C_,【例7】Mr.Green speaks very loudly _ all the people can hear him clearly.(2015，綏化) Awhen Bso that Cbecause 解析：when“當(dāng)?shù)臅r(shí)候”；so that“為了，目的是”；because“因?yàn)椤?。由語境可知句意為“格林先生講得很大聲是為了讓所有的人都能清楚地聽見。” 答案：_B_,