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高考语法专题：状语从句1.时间状语从句连词有：when, whenever, while, as, after, before, now that,(ever) since, till, until, once, as soon as, every time, the first time, the moment, immediately, directly等。
I’ll let you know as soon as it is arranged.Now (that) you mention it, I do remember.Every time I catch a cold, I have pains in my back.I recognized him the moment he came in.【注意】(1)时间状语从句一般不用将来时，而用一般现在时代替；用一般过去时代替过去将来时。
I’ll go there if time permits.如果时间允许，我会去的。
(2)可用现在完成时：I don’t believe you until I have seen it with my eyes.Don’t get off the bus until it has stopped.(3)可省略：He was reading a magazine while waiting for the bus.When completed, the railway will link many cities.(4)可用分词代替：After they finished the lecture (Having finished the lecture), they left.When it is seen from the hill (Seen from the hill), the park isvery beautiful.2.地点状语从句由where“在……的地方”和wherever“无论在……的地方”引导：Where there is water, there is life.Trees grow well where there is plenty of sunlight.Where there is a will, there is a way.He will work wherever the people need him.Wherever you go, you must be diligent.3.原因状语从句由because, as, since, now that, considering that 等引导：Now that you are all here, let’s try and reach a decision.I do it because I like it.可用分词、独立结构来代替：As he is honest (Being honest), he is liked by all his friends. There being no buses, we had to walk home.Being ill, she couldn’t come to school.Weather being so fine, we have decided to go hunting.4.目的状语从句用so that, in order that, for fear that, in case引导,谓语一般用can, could, may, might, will, would, should等：He started early so that he could catch the train.可用in order to, so as to 引导的不定式来代替：He started early in order to (so as to) catch the train.5.结果状语从句由so...that, such...that引导：We left in such a hurry that we forgot to lock the door.He started so early that he caught the train.比较下列句子：It is such a good book as everyone likes to read.(句中as引导的是定语从句,as做read的宾语。
第一节时间状语从句1.常见连词:when, while as, once, since, until, before, after, as soon as, the moment, every / each time, by the time, hardly...when…, no sooner...thanWhen the teacher came in, he was reading a novel.My mother likes listening to music while she is cooking.As spring warms the earth, all flowers begin to bloom.Once you began, you can't give it up half way.I haven't heard from him since he went abroad.The boy didn't go to bed until his father came back.The roof fell before he had time to rush out of the room.He started the job soon after he left the university.It began to rain as soon as / the moment I arrived there.Every / Each time I call on him, he is out.By the time I come back next year, the construction of our new office building will have been completed.I had hardly arrived there when it began to rain.I had no sooner arrived there than it began to rain.2. when/while/as的用法说明1)when可以表示两个重复性的，同时发生的事件，即过去或现在的习惯动作，此时when可以与whenever及every/each time互换,意为“每当……时”。
2020年高考语法考点讲解与真题分析05并列句和状语从句（二）考点二状语从句连接词的选择2.目的状语从句引导目的状语从句的连词主要有：that, so that, in order that, in case (以防), for fear that等。
1. The doctor shares his phone number with the patients __________ they need medical assistance. (2019天津)A. if onlyB. as ifC. even thoughD. in case【答案】D【解析】医生把他的电话号码给了病人们，以备他们需要医疗救助。
in case引导目的状语从句，表示“以便”。
2. Let's not pick these peaches until this weekend ________ they get sweet enough to be eaten. (2018天津)A. ever sinceB. as ifC. even thoughD. so that【答案】D【解析】so that引导目的状语从句，表示“以便”。
3. Cathy had quit her job when her son was born _______ she could stay home and raise her family. （2014浙江）A. now thatB. as ifC. only ifD. so that【答案】D【解析】so that引导目的状语从句，表示“以便”。
4. I took my driving license with me on holiday, ______ I wanted to hire a car. (2013北京)A. in caseB. even ifC. ever sinceD. if only【答案】A【解析】句意：我度假的时候随身带着我的驾照，以备想租车的时候用。
第四讲状语从句[全析考法]Ⅰ.单句语法填空1．(2018·北京高考改编)________ we don't stop climate change, many animals and plants in the world will be gone.解析：If句意：如果我们不阻止气候变化，世界上的许多动植物将会消失。
根据句意可知，此处应该用if 引导条件状语从句，表示主句内容发生的条件。
2．(2016·全国卷Ⅲ)Over time, ________ the population grew, people began cutting food into small pieces so it would cook more quickly.解析：as/when句意：慢慢地，随着人口的增加(或：当人口增加时)，为了使食物熟得更快，人们开始把食物切成小块。
根据句意可知，此处可用as/when引导时间状语从句。
3．(2016·四川高考)The mother held the baby in her front paws much the way a human does.________ it cried, she rocked it back and forth and gave it little comforting pats.解析：When/If第二句句意：当它哭的时候/如果它哭了，熊猫妈妈会来回摇晃它，轻轻拍打，给它安慰。
根据句意可知，应填when或if。
4．(2014·辽宁高考)Unbelievable! Oh ...，________ you don't mind, I'll stop and take a deep breath.解析：if此处表示：噢……如果你不介意，我要停下来做一下深呼吸。
根据句意可知，应填if引导条件状语从句。
专题10 短文改错高频考点TOP 10 状语从句考点一So...that...和such...that之间误用such…that…与so…that…都可以用来引导结果状语从句，意为“如此…以致…”。
（1）such是形容词，它所修饰的名词可以是可数名词，也可以是不可数名词；名词前面可以带形容词，也可以不带。
如果其后是单数可数名词，前面需加不定冠词a或an。
因此，such…that…的句型结构可分为以下三种：①such+a（n）（+adj.）+单数可数名词+that从句。
如：She is such a good teacher that all of us love and respect her.她是一位很好的老师，我们都敬爱她。
Table tennis is such an interesting game that people all over the world play it.乒乓球是一项很有趣的运动，以致全世界的人都参加这项运动。
②such（+adj.）+复数可数名词+that从句。
如：They are such interesting books that I want to read them once more.这些书非常有趣，我想再读一遍。
③such（adj.）+不可数名词+that从句。
如：It was such bad weather that I had to stay at home.天气太坏，以致我不得不呆在家里。
（2）so是副词，与形容词或副词连用，其结构是：so+adj.（adv.）+that从句。
如：He ran so fast that I couldn’t catch up with him.他跑得那么快，我赶不上他。
I am so sleepy that I can hardly keep my eyes open.我太瞌睡了，眼睛几乎睁不开了。
注意：①当名词前面有many，much，few，little等表示数量多少的限定词时，应该用so，而不能用such。
专题13 状语从句——高效演练一．单句语法填空1.I came to a crossroads with a traffic light．I was alone on the road then, but ________ I drove up to the light, it turned red, and I braked to a halt．【答案】as/when【解析】as/when句意：我来到了一个有交通信号灯的十字路口。
当时我独自在公路上，但是当我开车到信号灯处时，它变红了，我踩刹车停了下来。
设空处引导时间状语从句，表示“当……的时候”，故填as或when。
2.I’m a successful businessman now and I think about the troubles in life, I think about that little girl and the remarkable lesson about life that she taught me.【答案】whenever/when【解析】考查时间状语从句。
此处表示"每当我想到生活中的麻烦",故用whenever。
也可用when,表示"当……时"。
3.long as he works hard, I don’t mind when he finishes the experiment.【答案】As/So【解析】句意:只要他努力工作,我不介意他什么时候完成实验。
as/so long as"只要"。
4.The lady at the desk felt so sorry for me she offered to change the flight at no extra cost.【答案】that【解析】考查结果状语从句。
so... that...在此引导结果状语从句,意为"如此……以至于……"。
2020年高考语法考点讲解与真题分析05并列句和状语从句（二）考点二状语从句连接词的选择2.目的状语从句引导目的状语从句的连词主要有：that, so that, in order that, in case (以防), for fear that等。
1. The doctor shares his phone number with the patients __________ they need medical assistance. (2019天津)A. if onlyB. as ifC. even thoughD. in case【答案】D【解析】医生把他的电话号码给了病人们，以备他们需要医疗救助。
in case引导目的状语从句，表示“以便”。
2. Let's not pick these peaches until this weekend ________ they get sweet enough to be eaten. (2018天津)A. ever sinceB. as ifC. even thoughD. so that【答案】D【解析】so that引导目的状语从句，表示“以便”。
3. Cathy had quit her job when her son was born _______ she could stay home and raise her family. （2014浙江）A. now thatB. as ifC. only ifD. so that【答案】D【解析】so that引导目的状语从句，表示“以便”。
4. I took my driving license with me on holiday, ______ I wanted to hire a car. (2013北京)A. in caseB. even ifC. ever sinceD. if only【答案】A【解析】句意：我度假的时候随身带着我的驾照，以备想租车的时候用。
2020届新课标必修高考英语语法讲练第三节 :状语从句一、时间状语从句时间状语从句是表示时间关系的从句。
可以引导时间状语从句的连词很多如after, before, once, since, till, until, when, whenever, while, as soon as, immediately, directly, instantly, the moment, the minute, the second, the instant, no sooner…than, hardly… when, scarcely… when, barely…when.when,while,as三者都有“当…时候”之意。
但when后面既可以跟瞬间性动词，也可以跟延续性动词；while后面都只能跟延续性动词，且while侧重于两种情况的对比而as则强调的是两个动作同步进行。
如：1．when①when表示点时间时，从句中用短暂性动词；表示段时间时，用持续性动词。
When I got home,my family were having dinner. （when表示点时间）The telephone rang while I was taking a bath.（when表示段时间）当when意思是正当……时候（and at that moment）时，when只能跟在前一分句之后He was about to go to bed when the doorbel rang. 他正要上床，忽然门铃响了。
They were watching the World Cup when suddenly the lights went out.They had just arrived home when it began to rain. 他们刚到家，天就开始下雨了。
①有时when表示虽然，尽管的含义，相当于although或since。
2020年高考语法考点讲解与真题分析04并列句和状语从句（一）并列句主要考查并列连词的使用。
并列连词可根据前后分句的关系及所需连词的意义进行选择。
在主句中作状语的句子叫状语从句。
状语从句中连接词的选择是状语从句考查的重点。
其次还考查状语从句的时态、倒装及省略等。
状语从句的连接词可根据主、从句的关系及所需连词的意义来选择。
考点一并列句连接并列句的并列连词主要有以下几类种类主要并列连词表示转折和对比关系but, yet, while, however表示因果关系for, so, therefore表示选择关系or, either…or, otherwise表示联合关系and, both…and, not only…but also, neither…nor, as well as1.—Peter, please send us postcards _______ we’ll know where you have visited.—No problem.A.butB. orC. forD. so【答案】D【解析】句意：彼得，请给我们寄明信片，这样我们就知道你去哪里旅游过。
前后是因果关系，故用so。
2. I am not afraid of tomorrow, ______ I have seen yesterday and I love today. （2016北京）A. soB. andC. forD. but【答案】C【解析】句意：我不怕明天，因为我经历了昨天，而且我热爱今天。
这里表示原因，故用for。
3. He is a shy man, _____he is not afraid of anything or anyone. (2015北京)A. soB. butC. orD. as【答案】B【解析】句意：他是给腼腆的人，但是他不怕任何事、任何人。
这里表示转折，故用but。
4. You have to move out of the way the truck cannot get past you. (2012全国I)A. soB. or C and D. but【答案】B【解析】句意：你必须让开，不让卡车过不去。
