2023年中考英语二轮复习课件 专题十五 状语从句

这是一份2023年中考英语二轮复习课件 专题十五 状语从句，共55页。PPT课件主要包含了条件状语从句，地点状语从句，让步状语从句，原因状语从句，时间状语从句，结果状语从句，方式状语从句，比较状语从句，目的状语从句，状语从句等内容，欢迎下载使用。
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什么是状语？状语用来修饰动词、副词、形容词或句子，说明时间、地点、原因、结果、条件、目的、方式等。The by needs a pen very much.He lst his keys in the classrm.The by needs a pen t d his hmewrk
什么是壮语从句？在句子中作状语的从句叫作状语从句。I was ding my hmewrk when my mther came in. While Jhn was watching TV, his wife was cking.
位置：状语从句可以放在主句之前，也可以放在主句之后，时间、条件、原因和让步状语从句放在句首时需要用逗号和主句隔开。作用：它可以修饰谓语、非谓语动词、定语、状语和整个句子。
在句中作时间状语的从句称为时间状语从句。常用引导词有when, while, befre, after, as sn as, until, since
时间状语从句引导词的用法辨析
1.when的用法意为“当…的时候”。when引导从句的谓语动词可以是延续性动词，也可为非延续性。故可表示一个时间点或一段时间。主句动作和从句动作可先后或同时发生。
A liar is nt believed when he speaks the truth. I was ding my hmewrk when my mther came in.
2.while的用法意为“在…的时候，在…的同时”。while引导从句的谓语动词必须是延续性动词，表示某一段时间，并强调主句和从句的动作同时发生（或者相对应）。while有时还可以表示对比,意为然而。
While I was standing at the windw, I saw several bys running alng the street. While Jhn was watching TV, his wife was cking.
3.as的用法意为“一边…一边…”,同时发生。Helen heard the stry as she washed clthes.
4.befre 和 after的用法befre一般意为“在..之前”，after意为“在…之后” Lk left and right befre yu crss the rad. We'll leave after lunch.
5.till／until的用法1)意为“直到...为止”，主句用延续性动词。Until yu tld me, I had heard nthing f what happened.She didn’t even knw that it was an earthquake till she saw a shaking light.
2) 译为“直到…才...”，主句用终止性动词，从句用肯定式，但主句用否定式。 He didn’t g t bed until he had finished his wrk.
3)nt until置于句首时，主句使用部分倒装。Nt until+从句/表时间的词+助动词+(主句)主语+谓语+…。Nt until the teacher came in did the students stp talking.Nt until 1985 did he came back.
4)强调句：It is/was nt until…that… 直到…才…It was nt until yesterday that I nticed it.
6.as sn as 的用法意为“一…就…”。引导时间状语从句时遵循“主将从现”Tm will call me as sn as he gets hme.I will call yu as sn as I arrive.
7.since的用法译为“自从”，常与现在完成时结合来考，引导时间状语从句，主句用现在完成时，从句用一般过去时。We have been friends | since we jined the same club.
1. —Excuse me Culd yu wake me up when my friend____ here? —Of curse. But we still dn't knw when yur friend _____ here. A. cmes; will cme B. cmes； cmes C. will cme; cmes D. will cme； will cme2. Nne f us knew what had happened _______ we heard the news n radi. A. after B. until C. when
3. Other kids ate candy fr breakfast. I had t have prridge.A. Befre B. Till C. While 4. Wu Yi will help with the husewrk _______ he gets hme after schl. A. since B. while C. as sn as
5. _______ I arrived at the bus stp, the bus had left. A. After B. Until C. By the time 6. _____ they went alng, they saw a pair f ld shes lying n the path. A. Since B. As C. By the time
7. ______ I am in truble, my classmates will help me ut. A. Befre B. Whenever C. Althugh 8. Kelly cked dinner fr her parents ______ they were cleaning the yard. A. while B. since C. befre
9. ---I want t knw when Mr. Brwn will arrive. ---When he _______, I will tell yu. A. will arrive B. arrived C. arrives 10. I’m srry t have yu waiting s lng fr Marcia, and I’m afraid it’ll be ten minutes ______ she cmes back.A. befre B. after C. until
在句中作地点状语的从句称为地点状语从句。可置于句首、句中、句尾。常用引导词有where，wherever
地点状语从句引导词的用法辨析
1.where与wherever的用法where意为“哪里”，wherever意为“无论哪里”Make a mark where yu have a questin.Sit wherever yu like.
在句中作原因状语的从句称为原因状语从句。可置于句首、句尾。常用引导词有because、since、as、fr、nw that等。
原因状语从句引导词的用法辨析
1.Because的用法意为“因为”。引导的原因状语从句一般放于主句之后，表述直接原因。I’d like t cllect stamps because they are interesting.Because引导的原因状语从句有时可以与because f短语互换。He can’t cme because he is ill. = He can’t cme because f his illness.
2.since的用法 意为“因为，既然”，常置于句首。从句表示推断的理由或原因已为人所知。Since yu are free tnight，why nt jin us fr dinner.
3.as的用法 意为“因为”。引导原因状语从句时表示附带，说明“双方已知的原因”，语气比since弱，较为正式，位置较为灵活（常放于主句之前）。As the weather is cld, I stay at hme.As it is raining, yu’d better take a taxi. As yu are tired, yu’d better have a rest.
4.fr的用法 意为“因为”。引导的原因状语从句并不说明主句行为发生的直接原因，用于补充说明理由。He culd nt have seen me, fr I was nt there. He seldm ges ut nw, fr he is very ld
5.nw that的用法 译为“既然，由于”，表示微弱的原因。Nw that yu are free,help me ,please.
1. I wn’t be able t understand what yu say, _______yu speak t quickly.A. ifB .thughC. because2. I'm srry t have yu waiting s lng fr Marcia, and I'm afraid it'll be ten minutes_____she cmes back. A. befre B. after C. until
在句中作目的状语的从句称为目的状语从句。可置于句首、句尾。常用引导词有s that,in rder that等。
目的状语从句引导词的用法辨析
1.s that与in rder that的用法 二者均可译为“以便，为了”。可相互转换。Try t speak lud enugh s that/in rder that peple can hear yu clearly.
在句中作结果状语的从句称为结果状语从句，一般置于句尾。常用引导词有s….that, such …that ,s that 等。
在句中作结果状语的从句称为结果状语从句，一般置于句尾。常用引导词有s….that, such …that 等。
s…that和such…that 的用法区别s+形容词/副词+thatLily is s cute that all f us like her.such+名词+thatMary is such a clever student that we all like her.
例题：it was ______ lvely weather ______ we decided t spend the day n the beach.A. such a; that B. such; that C. such; as D. s; that
在句中作条件状语的从句称为条件状语从句，可置于句首或句尾。常用引导词有if，as lng as，unless
1.if if意为“如果”If it rains tmrrw , we will stay at hme. (主将从现)2. unless 意为“如果不，除非”（unless=if nt）③Unless yu listen carefully, yu wn’t knw the answer. = If yu dn’t listen carefully, yu wn’t knw the answer.
条件状语从句引导词的用法辨析
3.as lng as 意为“只要”He will play basketball with his friends as lng as he finishes his hmewrk.
例题.yu will succeed in the end _____ yu give up halfway. A. even if B. as thugh C. as lng as D. unless
在句中作让步状语的从句称为让步状语从句。常用引导词有thugh/althugh , even if /even thugh等。
1.thugh/althugh 意为“虽然，即使”，可替换使用。They are happy thugh they are pr.Althugh he's nearly 80, he is still very active.thugh/althugh 不与but连用，但是可以与yet(但是，副词)连用。Thugh it was cld utside，yet he went ut withut a cat.
让步状语从句引导词的用法辨析
1.My cusin knws a lt abut histry,_____he is nly fur years B.\ he is regarded a great writer, wrks is nt widely his wrks is nt widely his wrks are nt widely read.
2.even if/even thugh 意为“虽然，即使，尽管”，可替换使用。Even thugh we all tried ur best, we lst the game.
在句中作比较状语的从句称为比较状语从句。常用引导词有than，as…as ; nt as/s …as..
1.than 意为“比”，一般用于比较级。I am taller than my …as 意为“和…一样”用于平级比较。as+形容词/副词原级+asShe is as tall as her sister.
3.nt as/s …as 意为“…不如…”nt as/s+形容词/副词原级+asHe is nt as/s tall as his brther.
例题.The weather in Chngqing isn ' t as __ that in Qingda. clder than B. cler as C. cl as D. cler1.J
在句中作方式状语的从句称为方式状语从句。常用引导词有as,as if /as thugh
1.as 意为“按照”Yu will speak as I have if/as thugh 意为“仿佛，好像”I can remember ur wedding as if it were yesterday.
方式状语从句引导词的用法辨析