初中英语状语从句课件 PPT

你可以依据这些内容做一个PPT文件，自己用更方便内容提示： 状语从句状语从句时间状语从句地点状语从句原因状语从句的状目的状语从句结果状语从句条件状语从句方式状语从句让步状语从句比较状语从句从句 1 .时间状语从句1)由连词when, while, as, as soon as, before, after, since, till/ until等引导。�6�1 主句用将来时， 从句常用一般现在时表将来I will tell him when he comes back. 2)while, when, as辨析While引导的时间状语从句只指一段时间，强调某一段时间内， 主从句动作同时发生。 从句动词常是延续性的When既可以指一个时间点,也可以是一段既可以指个时间点,也可以是时间， 可表示主从句的动作同时或先后...状语从句状语从句时间状语从句地点状语从句原因状语从句的状目的状语从句结果状语从句条件状语从句方式状语从句让步状语从句比较状语从句从句 1 .时间状语从句1)由连词when, while, as, as soon as, before, after, since, till/ until等引导。• 主句用将来时， 从句常用一般现在时表将来I will tell him when he comes back. 2)while, when, as辨析While引导的时间状语从句只指一段时间，强调某一段时间内， 主从句动作同时发生。 从句动词常是延续性的When既可以指一个时间点,也可以是一段既可以指个时间点,也可以是时间， 可表示主从句的动作同时或先后发生。 从句动词可以是延续性的， 也可以是非延续性的。As强调主句、 从句动作相并发生,译为” 一边…一边…”段 When he returned , his wife was cooking.While he was reading, his wife was cooking.He hurried home, looking behind as he went . 对比训练 1____ he heard this, he got very angry. 2. I met Lucy____ I was walking along the river.3. ____ a child, he lived in the countrysidecountryside.A. when B. while C. as 另外, when/while还作并列连词,连接并列分句,while表示 “而,可是” 如:I like reading while my wife enjoys watching TV.when表示 “就在这时” 在下列结构中， 表示某件事正在发生或刚刚发生， 另一动作同时发生。1.be about to do… when…2.be doing… when…3.had done… when…e.g. We were about to start when it began to rain.I was playing computer games when mom came in. while的用法小结 ：①While I was walking down the street, Icame across an old friend. ( while=_______)②He likes pop music, while I am fond offolk music. ( whilefolk music. ( while③While I really don’7a686964616fe58685e5aeb931333365643631t like art, I find hiswork impressive. (while=___________)whenwhenbutbutalthoughalthough We were about to leave____ it began to rain.2. She thought I was talking about her son, ____, in fact, I was talking about my son.3. Hardly had I finished my composition ____ the bell rang.A. when B. while C. as D. during 3)until/till(不用于句首)“延续的动词（肯定式） +until ”表示“直到…为止”I waited for him until he came back.“非延续性动词（否定式） +until ”表示“直到才”“直到┅才”He didn’t go to bed until he finished his work.注意: not until 在句首时要倒装Not until he saw it himself did he believe it. 4)表示“一…就…”的句型(1)as soon as, once, the moment/ minute/ second, immediately/ directly/ instantlyAs soon as he comes, I’ll tell him.The moment I saw him, I recognized him.I l ft idi t l thI left immediately the clock struck 5.(2)on / upon doing / on (upon) one’s +nOn arriving at the station, the thief was arrested.On his arrival in Paris, he was recognized as a famous person.lk tk 5 (3)no sooner… than/ hardly… when / scarcely… whenNo sooner had they reached home than it started to rain.Hardly had I entered the room when the telephone rangtelephone rang. 5)Every time, each time等也可以引导时间状语从句Every time I caught a cold , I had pain in my head. 连接词before的小结：1. We had sailed four days and four nights before we saw land.2. We hadn’t run a mile before he felt tired.4. Before I could get in a word, he had measured me.“……“……才”才”“ “不到不到…………就”就”“ “还没来得及”还没来得及”It will be a long time It will be a long time beforeIt won’t be long It won’t be long beforeIt is / has been two years It is / has been two years sincesthsth. .before………before…since sbsb did did 1 1） 句型） 句型It will be/wasIt will be/was＋段时间＋“ “还要过多久才还要过多久才……” 如：如： It will be two years It will be two years before the country.the country.2 2） 句型） 句型It will be/was notIt will be/was not＋一段时间＋“ “不多久就不多久就……”……”如：如：It wasn’t two years It wasn’t two years beforecountry.country.＋段时间＋before………” before he leaves before…he leaves ＋一段时间＋before…before…before he left the he left the y y 一、 若since引导的状语从句的谓语动词是终止性的过去时， 则从句表示的时间是“从动作开始的那一时刻起” 。 如：He has studied very hard since he came to our school.自从他来到我们学校自从他来到我们学校， 他学习就非常努力。We have been missing them since they left here自从他们离开这里， 我们就一直很想念他们。他学习就非常 二、 若since引导的状语从句的谓语动词是持续性动词或表示状态的动词的过去时时， 则从句表示的时间是“从那持续动作或状态结束时算起” 。 如：I haven’t heard any noise since I slept. Sleep 为持续性动词， sleep的动作结束时，即“醒来” 时， 这句应译为“我醒后还未听到任何声音” 。John is now with his parents in New York, it is already three years since he was a teacher约翰现在和父母一起住在纽约， 他不当教师已经三年了。 How long is it since you lived in Shanghai?你离开（没住在） 上海多久了 延续性； 不… 多长时间了It is half a month since he was a League member.他退团（不当团员） 半个月了。It’s been quite some time since I was last in London我离开伦敦已很长时间了。比较比较： He has written to me frequently since I was ill.自从我病愈以来， 他屡次给我写信。（从句谓语为状态动词）He has written to me frequently since I fell ill.自从我生病以来， 他就屡次给我写信。（从句谓语为终止性动词） ’ll let you know ____ he comes back.A. before B. becauseC. as soon asD. althoughIt is about ten years _____ I met you last.A.since B. forB.C. whenD. asB.C. when D. as____ we got to the station, the train had left already.A.If B. UnlessC. Since D. When We didn’t go home _____ we finished the work.A. since B. until C. because D. thoughIt was not ______ she took off her dark glasses ______ I realized she was a ffiltAfamous film star. A. when; that B. until; that C. until; when D. when; thenhth tB. He was about halfway through his meal ______ a familiar voice came to his ears. A. why B. where C. when D. while Scientists say it may be five or six years ______ it is possible to test this medicine on human patients. A. since B. after C. before D. whe　Why didn’t you tell him about the meeting? 　He rushed out of the room____I could say a word. A. before B. until C. when D. after _____ I accept that he is not perfect, I do actually like the person. A. While B. Since C. Before D. Unless　Did you remember to give Mary the money you owed her?money you owed her? 　Yes. I gave it to her ______ I saw her. A. while B. the moment C. suddenly D. once 2. 让步状语从句引导词有：although, though, even if/though, as , while（尽管） whether…or…( 无论…还是… ),whoever= no matter whowhoever= no matter who whenever= no matter whenwhatever= no matter whatwherever= no matter wherehowever= no matter how 1)as 引导的让步从句要倒装， 句型为：形容词/ 副词/ 名词（不带冠词） / 动词（原形） +主语+谓语Young as he is, he knows a lot.Much as I like it, I can’t afford it.Farmer as he is he is well-educatedFarmer as he is, he is well-educated.Try as I might, I couldn’t lift the stone.2） although不倒装，不倒装, as 必须倒装though可倒装也可Although/Though he was ill he didn’t stop working. 3） no matter +疑问句引导让步状语从句No matter what happened, he shouldn’t mind.=Whatever happened, he shouldn’t mind.No matter who you are, you should obey the social rules.=Whoever you are, you should …oe e you a e, you s ou d4) whether …orWhether you believe it or not, it is true.whether… or…不管…还是…a. Whether the weather is good or bad, they will set off as they planned. B.Whether he drives or takes the train, he will be here on time. 1 、difficult it was. A. however B. no matter C. whatever D although 2、 The old tower must be saved, ______the cost. A． however B． whatever C． whichever D． wherever 对比训练 3 1 . Child ____ she is, she know a lot.2. He did the experiment ____ he was told.3. The pianos in the other shop will be cheaper, but not ____ good.A. during B. as C. so D. thoughE. both B and CHe tried his best to solve the problem, ___ 3. 地点状语从句引导词有: where, whereverI’ll follow you wherever you go.Where there is a will , there is a way.注意： 不要混同于where 引导的定语从句注意： 不要混同于where 引导的定语从句(有志者， 事竟成）与定语从句的区别： where引导定语从句，从句前有一个表示地点的名词。Go back where you came from.Go back to the village where you came from. When you read the book ,you 'd better make a mark ___ you have any question. A at which B at where C the place where D whereWhen you read the book ,you 'd better ymake a mark at the place _____ you have any question.A which B at whereC the place where D wherey 4. 原因状语从句由because, since, now that, as引导。(1). because 语气最强， 用来回答why提问，可用在强调句型中,引导的从句表示直接的、根本的原yin It was because he was ill that he didn’t go with us.(2).Since语气比because弱， 表示关系上的自然结果， 一般译成“既然， 鉴于” （往往放于主句之前） 表示显然的或已知的原表示显然的或已知的原因因..Since no one is against it ,let’s carry out the plan.（既然没人反对, …) (3).as语气最弱， 只说明一般的因果关系（可放于主句之前， 也可放于主句之后）Wear strong shoes as we shall do a lot of walking today.与与sincesince没多大区别(4).for也可以表示原因， 不是说明直接原因， 而是对某种情况加以推倒， 用于表示补充说明理由补充说明理由。He must be ill, for he is absent today.(5).now that用来说明一种新情况， 然后加以推理， now that放于句首时， that可省略。Now ( that) everybody is here, let’s begin.没多大区别 ______ the day went on, the weather got worse.A With B Since C While D AsA. With B. Since C. While D. AsHe took off his coat _______ he felt hot.A. because B. as C. if D. since 5. 目的状语从句引导词： in order that, so that(为了 ） ,for fear that , in case,谓语动词常含有can, could, may, might, will, would等情态动词。I’ll speak slowly so that everybody can understand me.He wrote the name down for fear that( in case) he would forget. in casein case与与for fear thatfor fear thatI will have to stay at home this evening I will have to stay at home this evening ______________ my teacher comes.______________ my teacher comes.in casein casebecause of the possibility of because of the possibility of sthsth happeninghappeningStudents of Class 13 are working hard Students of Class 13 are working hard theses days _________________ they theses days _________________ they might fail the exam.might fail the exam.for fear thatfor fear thatto avoid the danger of to avoid the danger of sthsth happeninghappening Ann listened carefully _____ she could discover what she needed.A. such thatB. in order thatC. becauseD. even though11 . I hurried ____ I wouldn’t be late for class.AiBA. sinceB. so thatC. as ifD. unlessth t 6. 结果状语从句：引导词有： so…that, such…that, so that常用句型：1)so+ adj. (adv.) + that2)so+ adj + a (an) + n +that2)so+ adj. + a (an) + n. +that3)Such +a (an) +adj. + n. + that4)Such +adj. + n (s) +thatHe spoke so fast that I couldn’t follow him.It was such a good day that we all went swimming. He left in ___a hurry ___he forgot to lock the door.A. such, that B. so, that B.C. such, as D. so, when.Farmers rotate (轮作) their crops _____ the soil will remain fertile.A. so that B. because of C. in order to D. rather thanIt was ____ a hundred people looked lost in it.A. so large a room that B. so large roomC. a such large room D. such large a roomHe has ____ little education that he can’t teach ____ little children. A. so; such B. too; such C. a; so D. very; so 7. 条件状语从句1. 由if, unless(= if not), so/ as long as(只要), suppose/supposing(假设，如果), in case(以防), on condition that, only if , if only引导。e g You may use the room as long as youe.g. You may use the room as long as you clean it up afterwards.2.“祈使句+and/ or/ or else/otherwise”引导的结果句， 祈使句在实际意义上相当于条件状语从句。Use you head, and you will find a way.Get up now, or you will be late. 1 、 The WTO cannot live up to its name ____ it does not include a country that is home to one fifth of mankind. A． as long as B． while2、It is known to all that _____ you exercise regularly, you won’t keep good health. A. unless B. whenever C. although D. if unless 相当于 if not， 意思是“除非…”“如果不…就…”。 这也是高考的热点之一。 复习时也应给予高度重视。1 、 _____ I can see, there is only one possible way to keep away from the danger. A. As long as B. As far as C. Just as D. Even if 2、 I always take something to read when I go to the doctor’s ________ I have to wait. A． in caseB． so that C． in order D． as if C． if D． even though 8. 方式状语从句引导词有: as(如同 ), as if/though (好像)They are talking as if (as though) they were old friends.注意：注意：as， like 都表示“像” ，as 是连词 ， 后加句子like 是介词， 后加名词、 代词、 名词短语I work as others do .I work like others. 9.比较状语从句由as… as, not as/ so…as, than, the more… the moreHe ran as far as he could.The harder you try, the better you will understand. 四. 状语从句的时态问题问题1：1、 The house could fall down soon if no one______ some quick repair work. A has doneB is doingdone 2、 It is almost five years _______ we saw each other last time. A. before B. since C. after D. when 在条件， 时间和让步从句中， 用一般现在时表示一般将来时， 用现在完成时表将来完成时， 用一般过去时表过去将来时。 在 since 引导的时间状语从句中， 动词一般都用一般过去时， 而主句常用现在完成时。C doesD had 五、 状语从句的倒装问题问题1：1、 So difficult _____ it to live in an English-speaking country that I determined to learn English. A. I have felt B. have I felt C. I did feel D. did I feel2、 Not until all the fish died in the river _____ how serious the pollution was. A. did the villagers realize B. the villagers realizedC. the villagers did realize D. didn’t the villagers realize 状语从句的倒装一般有下面几种情况： ① 否定词开头； ② so 加 adj. 开头； ③ as / though引导的让步状语从句。Hardly had he got to the station when the train left.No sooner had he got to the station than the train left.Child as he is, he can speak seven foreign languages.

状语从句指句子用作状语时，起副百词作用的句子。它可以修饰谓语、非谓语动词、定语、状语或整个句子。根据其作用可分为时间、地点、原因、度条件、目的、结果、让步、方式和比较等从句。状语从句一般由连词(从属连词)引导，也可以由回词组引起。从句答位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。

能具体点吗？

为什么when引导的时间状语从句要放百主句后面，而if引导的条件状语从句要放在主句的前面？度初中英语状语从句小知识，知记好啦！状语从句指在句子中用作状语的从句。根据其作道用可分为时间、地点、原因、条件、目的、结果、让步、方式回和比较等九种状语从句。答希望可以采纳，谢谢。

when引导的时间状语从局和if引导的条件状语从句，即可以放在前面，也可以放在后面，但一般都放在后面，这是英语里的表达习惯

when引导的时来间状语从句也可以放前面源When I was a child，I ofen......if 引导的条件状语从句百也可以度放在后问面I will do it if I can.只是你看到的常见句子里往往答when从句在后，if从句在前。

1、时间状语从句：常用引导词：when, as, while, as soon as, before, after, since , till, until特殊引导词：the minute, the moment, the second, every time, the day，the instant, immediately , directly, no sooner … than, hardly …when, scarcely … when instantly2、地点状语从句:常用引导词：where特殊引导词：wherever, anywhere, everywhere地点状语从句一般由连接副词where, wherever等引导，已经形成了固定的句型:句型1：Where＋地点从句，（there）＋主句。【注意】此句型通常译成“哪里……哪里就……”；主句在从句后面时，there可用可不用；如果主句在从句的前面时，一般都不用there。例如：Where there is no rain, farming is difficult or impossible.在没有雨水的地方，耕作是困难的，或根本不可能的。Where there is a will, there is a way. 有志者事竟成e799bee5baa6e997aee7ad9431333431373335。句型2：Anywhere/ wherever＋地点从句，＋主句。【注意】anywhere本身是个副词，但是，常可以引导从句，相当于连词，意思相似于wherever, anywhere引导的从句可位于主句之前，也可以位于主句之后。 而wherever本身就是个连词，表示“在何处，无论何处”。例如：Wherever the sea is , you will find seamen.有海就有海员。3、原因状语从句:常用引导词：because=in that, since=now that(既然), as, for(补充说明)特殊引导词：seeing that, now that, in that, considering that, given that（考虑到）4、目的状语从句：常用引导词：so that, in order that特殊引导词： for fear that（唯恐/生怕），in the hope that（带着..希望）, for the purpose that（带着..目的）, to the end that5、结果状语从句：常用引导词：so … that, such … that特殊引导词：such that, to the degree that, to the extent that, to such a degree that6、条件状语从句：常用引导词：if, unless,特殊引导词：as/so long as（只要）, only if, providing/provided that（倘若）, supposing that（倘若）, in case that（以防）, on condition that7、让步状语从句：　常用引导词：though, although, even if, even though（即使）特殊引导词： as(用在让步状语从句中必须要倒装)，while ( 一般用在句首 )，no matter …， in spite of the fact that, whatever, whoever, wherever, whenever, however, whichever, as if=as though（仿佛）8、比较状语从句：常用引导词：as(同级比较), than(不同程度的比较)特殊引导词：the more … the more … ; just as …， so…;A is to B what /as X is to Y（A对B来说，像X对Y一样）;no … more than; not A so much as B9、方式状语从句：常用引导词：as, as if, how特殊引导词：the way

语从句是中考词汇和句法部分考查的重点内容之一。在复习状语从句时,主要任务是弄清楚引导各种状语从句的连词的用法。现就主要考查点简述如下: 1.引导时间状语从句的连词 主要有when, while, as, by the time, before, after, since, till/until, as soon as等。其中when?while和as都可表示"当……时候",但用法有区别: ①when意为"在……时;当……时",可表示"点时间"或"段时间",从句谓语可以是终止性动词,也可以是延续性动词。例如: When I got home, he was having supper. ②as意为"边……边……"或"与……同时",重在表示两个动作同时发生。伴随进行。as从句是终止性动词时,主句通常也必须是终止性动词。例如: They sang as they danced. ③while只可表示"段时间",从句谓语只限于延续性动词。例如: While I was sleeping, my father came in. 注:从句谓语是持续性动词时,when、while和as可以互换?主?从句谓语都是终止性动词时,when与as可互换?从句谓语表示状态时,通常用while。 2.引导原因状语从句的连词 原因状语从句一般由because, since, as, for引导?注意as,because,since和for的区别: ①如果原因是构成句子的最主要部分,一般用because。because引导的从句一般不放在句子的开头。例如: I missed the train because I got up late. 注:对于以why开头的问句,一般只能用because引导的从句来回答。 ②如果原因已为人们所知,或不如句子的其余部分重要,就用as或since、since比as稍微正式一些。as和since引导的从句一般放在句子的开头。例如: As he was not well,I decided to go there without him. Since this method doesn't work, let's try another. ③for表示所说的理由是一种补充说明,因此,for引导的从句可以放在括号里,而且for引导的从句一般不放在句子的开头。例如: I decided to stop and have lunch, for I was feeling quite hungry. 3.引导结7a686964616f31333238666233果状语从句的连词 主要有so/such…that…,so that等。 1) so...that结构在某种情况下可以与enough to和too...to结构相互转换。例如: She is so short that she can't reach the buttons of the lift. =She is too short to reach the buttons of the lift. 2)so that也可以引导结果状语从句,意为"结果是;以致于"。例如: They missed the bus so that they were late for class. 注:so that也可引导目的状语从句,此时可用to或in order to替换,将其改为简单句。例如: He got up early so that he could get to school on time. =He got up early to get to school on time. =In order to get to school on time,he got up early.

语从来句是中考词汇和句法部分考查的重点内容之一。在复习状语从句时,主要任务是弄清楚引导各种状语从句的连词的用法。现就主要考查点简述如下: 1.引导时间状语从句的连词 主要有when, while, as, by the time, before, after, since, till/until, as soon as等。其中when?while和as都可表示"当……时候",但用法有区别: ①when意为"在……时;当……时",可表示"点时间"或"段时间",从句谓语可源以是终止性动词,也可以是延续性动词。例如: When I got home, he was having supper. ②as意为"边……边……"或"与……同时",重在表示两个动zd作同时发生。伴随进行。as从句是终止性动词时,主句通常也必须是终止性动词。例如: They sang as they danced. ③while只可表示"段时间",从句谓语只限于延续性动词。例如: While I was sleeping, my father came in.

状语从句指句子用作状语时，起副词作用的句子。它可以来修饰谓语、非谓语动词、定语、状自语或整个句子。根据其作用可分为时间、地点、原因、条件、目的、结果、让步知、方式和比较等从句。状语从句一般由连词(从属连词)引导，也可以由词组引起。从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可道以不用逗号隔开。

DA as soon as是马上when是当..的时候但是主句用一般过去进行时 从句用一般过去时while也是当..的时候 但是主句用一般过去时 从句用一般过去进行时

D.用it is（has been)+时间 后面就用sinceA.(这个答案我不确定。我觉得应该看上下文) as soon as “一旦”的意思 when “当” while+doing

选,Das soon as 一....就....when 当....的时候while A发生的同时B也在发生..,同时 本回答被网友采纳

DA