2022届高考英语复习之语法透析：状语从句课件

这是一份2022届高考英语复习之语法透析：状语从句课件，共46页。PPT课件主要包含了知识导图，状语从句，时间状语从句，让步状语从句，原因状语从句，条件状语从句，结果状语从句，目的状语从句，地点状语从句，方式状语从句等内容，欢迎下载使用。

when、while和as引导的时间状语从句
意为“一……就……”的连词引导的时间状语从句
befre、since引导的时间状语从句
until/till引导的时间状语从句
althugh、thugh、as和while引导的让步状语从句
even if与even thugh 引导的让步状语从句
“疑问词＋­ever”引导的让步状语从句
“”引导的让步状语从句
考点一 时间状语从句1．when、while和as引导的时间状语从句
While sme peple are mtivated by a need fr success, thers are mtivated by a fear f failure.当一些人被成功的渴望驱动的时候，而另一些人被失败的恐惧驱动着。As the average age f the ppulatin increases，there are mre and mre ld peple t care fr.随着人口平均年龄的增长，有越来越多的老年人需要照顾。
2.意为“一……就……”的连词引导的时间状语从句(1)as sn as、the mment、the minute、the instant、immediately、directly、instantly等引导时间状语从句时，意为“一……就……”表示从句的动作一发生，主句的动作随即发生。The mment my aunt gained her diplma after fur years f hard wrk, she was filled with jy.我的阿姨苦读四年之后获得了文凭，那一刻她欣喜万分。
(2)在、n 结构中，主句用过去完成时，而when、than所在的从句用一般过去时。I had hardly gt t the ffice when my wife phned me t g back hme at nce.我刚到办公室，妻子就打电话让我回家。
3.befre、since引导的时间状语从句(1) befre意为“在……之前；还未……就……；还没有来得及……就……”。常用句式：It will be/was＋一段时间＋befre...(过了……时间才……)；It wn't be/wasn't＋一段时间＋befre...(没过多久就……)。We need t get t the rt f the prblem befre we can slve it.在我们解决问题之前，我们需要找到问题的根源。If yu miss this chance, it may be years befre yu get anther ne.　如果你错过了这次机会，可能需要很多年你才能再获得一次。
(2)since意为“自从……以来”。常用句式：It is/has been＋一段时间＋since从句(常用过去时)。since从句的时态若是一般过去时，主句的时态常用现在完成时或现在完成进行时。As is reprted, it is 100 years since Qinghua University was funded.正如所报道的，清华大学建校已有一百年了。
4.until/till引导的时间状语从句until/till用于肯定句中，意为“直到……为止”，其主句谓语动词必须为延续性动词；意为“直到……才……”，nt所在的主句的谓语动词必须为非延续性动词。until可用于句首，而till不能。If yu dn't understand smething, yu may research, study, and talk t ther peple until yu figure it ut.　如果你遇到不懂的东西，可以调查、研究以及和其他人交谈，直到你把它弄明白。She didn't start the lessn until the pupils settled dwn.等学生们安静下来后，她才开始上课。
5.every time、each time、next time、the first time、by the time等引导的时间状语从句By the time yu have finished this bk, yur meal will get cld.　等你看完这本书，你的饭就凉了。
考点二 让步状语从句1．althugh、thugh、as和while引导的让步状语从句Althugh these measures are nt effective frever, they are vital fr nw.　虽然这些措施并不能永远有效，但它们目前是至关重要的。Ht as the night air was, we slept deeply because we were s tired after the lng jurney.夜晚的空气虽然很热，但因为长途旅行之后我们很累，所以我们睡得很沉。
(1)thugh引导的从句可用倒装语序，也可不用倒装语序；althugh引导的从句不用倒装语序；as引导的从句必须用倒装语序“表语/状语/动词原形＋as/thugh＋主语＋其他”，若表语是可数名词单数，前置时要省略冠词；(2)thugh可用作副词，意为“然而”，表示转折，置于句末；(3)while引导让步状语从句，只能置于句首。
2.even if与even thugh 引导的让步状语从句even if/even thugh引导让步状语从句时，表示语气更强的让步，意为“即使、即便”。Tim is in gd shape physically even thugh he desn't get much exercise.蒂姆尽管不怎么锻炼，但体形很好。
3.“疑问词＋­ever”引导的让步状语从句whatever、whever、whmever、whenever、whichever、hwever、wherever引导让步状语从句时，表示“无论……”，相当于n matter＋疑问词(what/wh/whm/when/which/hw/where)。It is generally cnsidered unwise t give a child whatever he r she wants.总的来说，孩子想要什么就给什么是不明智的。Hwever hard yu try, it is difficult t lse weight withut cutting dwn the amunt yu eat.不管你多么努力，如果不减少饭量，减肥很难。whatever、whever、whmever、whichever还可引导名词性从句。
4.“”引导的让步状语从句“”意为“无论……还是……”，提供两种对比情况。All peple, whether they are ld r yung, rich r pr, have been trying their best t help thse in need since the disaster.所有人，无论年老还是年轻，富裕还是贫穷，都一直在尽他们所能帮助灾后需要帮助的人们。
考点三 原因状语从句原因状语从句的常见引导词有because、as、since、nw that等。1.表示不知道的原因时用because，即说话人认为听话人不知道，因此because从句是全句中最重要的部分，通常它被置于主句之后。Yu want t knw why I'm leaving？I'm leaving because I'm fed up with the bss.　你想知道我为什么要离开吗？我离开是因为我受够了老板。
2.表示已经知道的原因时用as或since，即某种原因在说话人看来已经很明显，或已为听话人所熟悉，因此它是句中不是很重要的部分。since要比as正式一些，它们通常被置于主句之前，但有时相反。Seeing all f the children already seated，he said，“Since everyne is here, let's start.”看到所有的孩子都已经坐好了，他说：“既然大家都来了，让我们开始吧。”
3.下列情况下只能用because：(1)在回答why的问句时；(2)在用于强调句型时；(3)在被nt否定时。
考点四 条件状语从句1.条件状语从句的常见引导词有if、unless、as/s lng as、in case、nce、n cnditin that、prvided/prviding (that)、suppsing (that)等。My parents dn't mind what jb I d as lng as I am happy.　只要我高兴，我的父母不在意我从事什么工作。Yu can use my car n cnditin that yu return it by next Mnday.你可以用我的车，只要下周一之前还回来就行。
2. 条件状语从句的时态：用一般现在时代替一般将来时，用一般过去时代替过去将来时。If everyne des his part, the prject will surely be a success.如果每个人都尽自己的一份力，这个项目一定会成功。
考点五 结果状语从句1.s that引导结果状语从句时，从句中一般不用情态动词，从句前可加逗号。We turned up the radi, s that everyne heard the news.我们把收音机音量调大，这样每个人都能听到新闻。中s后面跟形容词或副词；中such后面跟名词。China is s strng that I am prud t be a Chinese.中国如此强大，我为自己是一个中国人而自豪。There was such a crush n the train that I culd hardly breathe.火车上如此拥挤，以至于我都喘不过气来。
考点六 目的状语从句1.s that/in rder that引导的目的状语从句中需用情态动词can、culd等；in rder that 引导的从句可位于主句之前或之后，s that引导的从句只能位于主句之后。He gt up early s that he culd catch the early train.为了能赶上早班车他早早地起床。
2.fr fear that (唯恐、以防)与in case引导的目的状语从句中，谓语动词有时也用shuld/might/culd＋动词原形。The by hid himself behind the tree fr fear that his father might see him.男孩躲在树后，怕他父亲看见他。He had his camera ready in case he saw smething that wuld make a gd picture.　他准备好了照相机，以防看到一些他能够拍成好照片的东西。
考点七 地点状语从句where与wherever意义基本相同，但后者语气较强，多用于书面语。同时地点状语从句在句首时常兼有抽象条件意味。Lcated where the Belt meets the Rad, Jiangsu will cntribute mre t the Belt and Rad cnstructin.　江苏位于“带”和“路”的交汇处，将会对“一带一路”的建设做出更大的贡献。
考点八 方式状语从句1.as引导方式状语从句，意为“按照”。Just as a single wrd can change the meaning f a sentence, a single sentence can change the meaning f a paragraph.　正如单个单词可以改变一句话的意思那样，单个句子也可以改变一段文字的意思。
2.as if或as thugh的意义和用法基本一样：从句中可以用陈述语气表示可能符合事实，也可以用虚拟语气表示与事实相反。It sunds as if it is raining.　听起来好像是在下雨。Jack wasn't saying anything, but the teacher smiled at him as if he had dne smething very clever.杰克什么也没说，但老师朝他笑了笑，好像他做了一件很聪明的事。
考点九 比较状语从句、nt 、the 表示相同程度的比较，肯定句用，否定句用nt 或nt 。He desn't run s/as fast as Jack (des)．他跑得没杰克快。2.比较级＋ dweller have a higher death rate than cuntry peple d.城市居民的死亡率比乡下人高。
如何解析三大从句，辨七大易混点易混点一　定语从句和并列句(1)She has many nvels, sme f ____________ are interesting.(2)She has many nvels, and sme f ____________ are interesting.
sme f which 作主语
易混点二　定语从句和状语从句(1)We yung peple shuld g t the place ____________ is in need f help.(2)We yung peple shuld g ____________ we're mst needed.
易混点二　定语从句和状语从句(1)I will always remember the days ____________ I lived with my grandparents in the cuntryside.(2)I always remember the days in the cuntryside ____________ I see the pht f my grandparents.
指时间应用引导词when
(1)This is such an interesting wrk f art ____________ all f us like.(2)This is such an interesting wrk f art ____________ all f us like it.
as在定语从句中作like的宾
引导结果状语从句，为固定搭配
易混点三　定语从句和名词性从句(1)____________ is knwn t everybdy, the mn travels rund the earth nce every mnth.(2)____________ is knwn t everybdy that the mn travels rund the earth nce every mnth.(3)____________ is knwn t everybdy is that the mn travels rund the earth nce every mnth.
as is knwn意为“众所周知……”
引导主语从句，在从句中充当主语
(1)Anyne ____________has helped t save the drwning girl is wrth praising.(2)____________ has helped t save the drwning girl is wrth praising.
引导定语从句并在从句中作主语
(1)The mther made a prmise ____________ pleased all her children.(2)The mther made a prmise ____________ she wuld buy new tys.
引导同位语从句，说明前面名词的内容
(1)My uncle is the wner f a restaurant clse t the place ____________ is the center f the twn.(2)My uncle is the wner f a restaurant clse t ____________ I live.
引导定语从句，并在从句中作主语
引导宾语从句，在从句中作状语
(1)Our teacher did all ____________ he culd t help us.(2)Our teacher did ____________ he culd t help us.
引导定语从句，修饰先行词all，并在从句中作宾语
引导宾语从句，并在从句中作宾语
(1)I will help thse ____________ are in need f help.(2)I will help ____________ is in need f help.
引导宾语从句，并在从句中作主语
(1)She was nt ____________ she used t be.(2)She was nt the wman ____________ she used t be.
引导定语从句，并在从句中作表语
易混点四　定语从句和固定句型(1)It was the time ____________ Chinese peple had a hard life.(2)It is the first time____________ she has been in Shanghai.
引导定语从句，并在从句中作状语。先行词为time
固定句型“It is the ”
易混点五　状语从句和并列句(1)____________ yu take this medicine, yu will be all right.(2)Take this medicine, ____________ yu will be all right.
易混点六　状语从句和名词性从句(1)I will try my best t help him, n matter ____________ turns t me fr help.(2)I will try my best t help ____________ turns t me fr help.(3)____________ turns t me fr help is welcme.
“n matter ____________”引导让步状语从句
易混点七　状语从句和独立主格结构(1)____________ time permits, we'll g camping.(2)Time____________ (permit), we'll g camping.
此处是独立主格结构，其构成为“名词＋分词”
1.______________ the weather gets cld, it migrates t east­ central 's easy t grw ______________ it can tlerate unfavrable cnditins and partial shade, but it grws best in full Chinese have such a clse relatinship with tea ______________they have develped an entire“Tea Culture”．
As/When because/as that
4. “__________________________ much f Jialng's equipment was imprted, abut 95 percent f Shenhai Yngshi and its cre cmpnents were prduced dmestically，” said Xu Qinan, the chief designer f as an ld saying ges, “______________ there is a will, there is a way.”6.Whenever I wanted t play with the mbile phne ___________ I had dne befre, it reminded me t d what I was suppsed t d.
Thugh/Althugh/While Where as
7.I didn't realize that the cckatiel was still sitting n my shulder ______________ the dr behind me shut had n sner finished the survey by asking the parents the same questins three years later ______________ they fund that 18 percent f kids invlved in the study were a general rule, all frms f activity lead t bredm ______________ they are perfrmed n a rutine was a crazy day.I felt very tired ______________ I had tns f wrk stuff ging n.
until than if because