2023届高考英语二轮复习状语从句课件2

这是一份2023届高考英语二轮复习状语从句课件2，共37页。PPT课件主要包含了状语从句概说， ，各种连接词的具体用法，when，While，while等内容，欢迎下载使用。

1、在句中作状语用的从句叫状语从句（句子不缺任何成分）。2、状语从句可以在句首，也可在句中或句末。 3、状语从句按其用途可有时间、地点、原因、目的、结果、让步、方式、比较等九种。
一: 时间状语从句（五类引导词）1.从属连词：when（当……时），while（在……期间），as（当……，一边……一边……），befre（在……之前），after（在……之后），since（从……以来），till/until（直到），whenever（无论何时），as sn as（一……就）nce(一旦)等。注意：在时间状语从句中，主将从现
难点逐个击破1.befre “在……之前”， “还没来得及/还没有……就……， 趁着还没……就……， 不知不觉就……，句型：肯才否就It will be /was+一段时间+befre “过多久才……” It wn't be /wasn't+一段时间+befre “用不了多久就 ...”
注意时态:I had nt sat lng befre he came back. 我没坐多久他就回来了。He almst kncked me dwn befre he saw me.他几乎把我撞倒才看到我。 Befre I culd get in a wrd, he measured me. 我还没来得及插话，他就给我量好了尺寸 It was half a year befre I came back. 半年后我才回来。 It wn't be lng befre we meet again. 过不了多长时间我们就会再见面。
I’ll water the flwers befre it gets dark. 我要趁着天还没黑把花浇好水。Be a pupil befre yu becme a teacher. 先做学生，后做先生。Time passed quickly and three mnths went by befre she knew it. 时间过得飞快，她不知不觉就在那里度过了三个月。
2、since的用法：since表从过去某一时间或动作、事情起到目前为止，“自….以 来”
①、引导状语从句时，主句: sb has/have dne（或现在完成进行时）+since从句过去时 I have written hme fur times since I came here. I’ve been living here since I came t Beijing.
②、常用句型：It is (has been)…..+ since +一般过去时It is five years since I began t learn English.
3.until 与 nt untiluntil “直到...时”“做某事直至某时"，主句动词必须是延续性动词nt “直到...才”"直至某时才做某事"。主句动词为延续性或非延续性都可以 I slept until midnight.我一直睡到半夜时醒了。She didn't arrive until 6 'clck.她直到6点才到。
4、as, when, while 的用法与区别： when: ①引导状语从句，表示主句、从句的动作或状态同时、之前、之后发生。 When they arrived, it was already midnight. When the clck struck eleven, all the lights went ut.从句的动作在主句之前发生,只能用when。When he ran t the stp, the bus had gne.从句动作在主句动作之后发生，只可用when
②、when = and then,作并列连词，when前通常有逗号。“这时…. 就在这时….“I was wandering in the street, when suddenly I caught sight f ne f my ld friends.
while ①、while意思是during the whle f the time that,指在一段时间里，所引导的从句中的动词是延续性的，“在….期间， 在….之时”She visited a lt f places while she stayed in felt asleep while he was watching TV.②、while可用作并列连词，连接两个分句，表对比，“而….”My sn likes t watch bxing games while I wuld rather listen t music.
as表两个动作交替进行或同时完成，“一边…一边…”或“随着….”"随时间推移"用as,不用when或while。　 As he grew lder ,he lst interest in everyting except gardening.As time went n, it's getting warmer and warmer.
用when, while或as 填空:_______________ we were talking, Mr Smiths came in._____ they came hme, I was cking dinner. I was abut t g t bed _______ I heard smene knck at t the dr.4. ________ we were watching TV, he was studying.5. He is fat _______ his brther is thin.6. ______ she sang, tears ran dwn her face.
While/ As/ When
2. 由名词词组充当引导词：the mment, the minute, the secnd, the instant 等 均表示“一……就……”I lved yu the instant I saw yu. 我一见到你就爱上你了。Tell me the mment yu get the results. 你一拿到结果就给我打电话。
3.由副词充当引导词：如 immediately, directly, instantly等均表示“一……就……” I came immediately yu called. 你一打电话我就来了。2）Directly I walked in the dr I smelt smke. 我一进门就闻到烟味。
4. time短语充当引导词：every time，each time，(the) next time，any time，the last time，the first time “每当，每次，下次 ”Next time yu cme in, please clse the dr. 下次你进来，请关门。My rf leaks every time it rains. 每次下雨，我的房顶就漏。The last time we talked he said he needed anther tw days. 上次我们谈话时他说他还需要两天。
5. 固定句型类n sner…(had dne) than…(did)hardly/scarcely…(had dne)when...(did)(均表示“一…就…”)I had n sner clsed the dr than smebdy kncked. 我刚把门关上就有人敲门。
△ 如果把n sner, hardly, scarcely, 置于句首，它所连带的这部分就要倒装，即把had提前She had n sner heard the bad news than she cried.N sner had she heard the bad news than she criedI had hardly gt hme when it began t rain.Hardly had I gt hme when it began t rain.
二: 原因状语从句:从属连词:because(因为) , as(由于), fr (因为) since(既然), nw(that) (既然), in that (因为) seeing (that) (由于，鉴于), cnsidering (that)(考虑到), given (that) (考虑到)
I d it because I like it. 我做这件事是因为我喜欢。As it was raining, I stayed at hme. 由于下雨，我便呆在家里。Since yu're nt interested, I wn't tell yu abut it. 既然你不感兴趣，那我就不告诉你了。
Nw that yu are well again, yu can travel. 既然你恢复了健康，你就可以去旅行了。
Seeing that yu’re already at the dr, I suppse I must invite yu inside. 鉴于你已到了门口，我想我必须邀请你入内。Cnsidering he’s nly just started, he knws quite a lt abut it. 考虑到他只是刚刚开始, 他对此的了解已经不少了。
Given that she is interested in children, I am sure teaching is the right career fr her. 考虑到她喜欢孩子, 我可以肯定教书是最适合她的职业Gdby
三:条件状语从句: 引导条件状语从句的从属连词有if, unless (=if…nt) 如果不……，除非, as/s lng as (只要), suppse/suppsing (that) 假如prvided /prviding (that) (假如), in case (假使), n cnditin that(在……的条件下)
注：条件状语从句和时间状语从句一样，体现主将从现时态. Tell me in case yu get int difficulty. 遇到困难请告诉我。Suppse/Suppsing he des nt cme, shall we g withut him? 如果他不来，是不是不带他去?As lng as yu dn't heart ,yu will succeed.你只要不灰心，就会成功。Yu will fail the exam unless yu study hard.(=if yu dn't study hard)
If yu will g with me, I’ll wait fr yu. 如果你愿意等我，我们就帮你做这事儿。但若从句谓语用了will 或 wuld，那 will 或 wuld 则是表示“愿意”的情态动词。如：
三:目的状语从句: 引导目的状语从句的从属连词有:s that(以便，为了), in rder that (为了以便)； s(以便), that(以便), in case(以防，以免), fr fear that(以免，惟恐) lest(免得，以防), 等。从句中一般含有can, culd, may, might, will, wuld等情态动词。如：
注：当从句主语与主句主语相同时，可用不定式来表达相同的意思。如：译：为了通过考试，他学习非常努力正：He studies very hard s that(=in rder that) he can pass the exam.正：He studies very hard s as t (=in rder t) pass the exam
四: 结果状语从句引导结果状语从句的从属连词有s that（以致，结果），s…that,such…that（如此……以至于) We arrived early, s that we gt gdseats. 我们到得很早，因此我们座位很好。It was s ht that we wanted t g swimming. 天气太热，我们想去游泳。She is s gd a teacher (=She is such a gd teacher) that all the students like her. 她是那么好的老师，每个学生都喜欢她。
注意：1. 在口语中that常省略。如： I am s busy I have n time t write a letter. 我是那样忙，写信的时间都没有。2. 有时主句中还有倒装语序。S bright was the mn that the flwers were bright as by day. 月亮是那样亮，花都
六:让步状语从句引导词:1.从属连词有althugh, thugh, while(句首), even if/thugh(即使), whether…r…(不论/不管……还是……) 2.“疑问词+ever”和“n matter+疑问词”等 3. 形容词 名词 +as(thugh) +主语+谓语(系词) 副词 动词
注意：1. as引导让步状语从句时，若提前的是可数名词单数，要省略不定冠词。如：Child as she is, he knws a lt. 虽然他是孩子，但他却很懂事了。 Hard as they tried they culdn’t make her change her mind. mind.(=Althugh/Thugh they tried hard), they culdn’t make her change her mind. mind.尽管他们做了很大努力，却没法让她改变主意。
注意：2. 表示“虽然”的连词不能与表示“但是”的连词but连用，但可以yet或still等副词连用。译：虽然当时正下着雨，他还是到那里去了。误：Thugh it was raining, but he went there.正：Thugh it was raining, he went there.正：It was raining, but he went there.正：Thugh it was raining, yet he went there.
  七: 比较状语从句引导比较状语从句的从属连词为（和……一样），nt （和……不一样）,--er+than（比…），the mre（越……越）。这类从句常以省略形式出现。The wrk is nt s difficult as yu imagine. 这工作不像你想像的那么困难。Yu lk yunger than yu are. 你看上去比你的实际年龄要年轻。The mre yu study, the mre knwledge yu can get. 你学的知识越多，你的知识越丰富。He desn’t wrk as hard as she (des). 他工作不像她那样努力。
八: 方式状语从句引导方式状语从句的从属连词:as(正如)，as if或as thugh(好像)等。D as I tld yu. 按我告诉你的那样做。As a man lives, s he dies. 正如人能活，也能死。I remember the whle thing as if it happened yesterday. 整个这件事我记得很清楚，就仿佛是昨天发生似的。注：口语中like也可用连词引导方式状语从句。D it like he des. 照他那样做
九:地点状语从句地点状语从句引导词有where (在…的地方)，wherever (无论什么地方)， 地点状语从句一般置于主句之后Sit wherever yu like. 你爱坐哪儿都可以。Keep it where yu can see it. 把它放在你看得见的地方。He lives where the climate is mild. 他住在一个气候温暖的地方。Wherever I am l will be thinking f yu. 我不论在哪儿，都会想你的。
地点状语从句与定语从句的比较:1. Keep it (where yu can see it). 把它放在你看得见的地方。Keep it at the place ( where yu can see it ).2. He lives where the climate is mild. 他住在一个气候温暖的地方。He lives in the suth where the climate is mild.