高中英语条件状语从句ppt
高中英语语法课件_状语从句 (共42张PPT)
whether…or…
whether…or…引导的让步状语从句： △ 这种从句也称“选择条件-让步状语从句”，可位于 主句之前或之后，如： 1.Whether you like it or not, you’ll have to do it. 2. We hold that all countries, (whether they are) big or small, (whether they are) rich or poor, should be equal. 3. Whether it rains or snows, I will go tonight. 5. She had to go, whether or not she wanted it.
2) 一些表示时间的名词词组也可引
导时间状语从句。如：the moment, the minute, （一…就）next time （下次）, every/each time （每 次）。 e.g. The moment he comes, I will tell him.
4) as soon as, immediately, directly, instantly 等副词也可引 导状语从句。表示“一…… 就……”。
.
1. I was so familiar with him that I recognized his voice ______ I picked up the phone. A. while B. after C. In case D. the minute 2. How long do you think it will take _______ our product becomes popular with the consumers? A. when B. until C. before D. since
高中英语语法总结之状语从句(共37张ppt)
• Difficulties are nothing if we are not afraid of them.如果我们不怕困难，困难就算不了什 么了。
• We shall go there tomorrow unless it rains. = We shall go there tomorrow if it doesn’t rain. 除非下雨，我们明天就去那里。
• Every time I travelled by boat, I got seasick.我 每次乘船都晕船。
• The moment I heard the song, I felt cheerful. 我一听到这首歌，就感到很愉快。
• Next time you come ,you’ll see him.下次你来 的时候，就会见到他。
• We were not tired though (although) we had worked all day.虽然我们干了一天活，但并 不累。
• （2）even if, even though（even if 和even though的意思为“即使”“纵使”有退一步 设想的意味，多用于书面语中）。
• 5、结果状语从句：
• （1）so that，so…that（so that前有逗号为 结果状语从句，so…that的so后面跟形容词 或副词）。
• We turned up the radio, so that everyone heard the news.我们把收音机的音量放大， 大家都听到了新闻。
• Seeing (that) he was badly ill, we sent for the doctor.鉴于他病情严重，我们派人去请医生 去了。
高中英语语法复习课件--状语从句(48张PPT)
• * in case(万一） • Send us a message in case you have any
difficulty.
• *on condition that（？） • We’ll let you use the room on condition
that you keep it tidy.
• for 解释说明 • He must be ill, _______.(因为他今天没来)
三 条件状语从句 conditional adverbial clause
if,unless,so/as long as, in case on condition that, provided that,providing that,suppose that, supposing that
if If you work harder,you will succeed.
unless :if... not 除非 • Unless he comes, we won’t be able to go. • If he doesn’t come,we won’t be able to go.
• * as/so long as(只要 ) • You may borrow the book as long as you
2. while“尽管，虽然”，相当于although
3. while意为“而，却”，表示对比。 Jane was dressed in brown while Mary was dressed in blue.
as的用法
1. “一边…一边”； “随着” She was doing her homework as she was listening to the music.
高中英语状语从句..(共48张PPT)
to rain.
• every time,each time:每次... • Every time/each time I come, he is
reading.
• once:一旦...就... • 她一旦下了决心,什么也不能使她改变. • Once she has made up her mind,
词叫从属连词。从属连词主要用于引导
各种状语从句。
状语从句
时间状语从句 原因状语从句
条件状语从句 让步状语从句 目的状语从句 结果状语从句 地点状语从句 比较状语从句 方式状语从句
时间状语从句
when,while,as,since,before,after, until,till, once,as soon as,every time, hardly..when, no sooner... than, the moment, immediately
• * as soon as:一…就… • 他一到达就打电话给我. • He telephoned me as soon as he arrived. • the moment/instant/minute; • immediately/directly; • __O__n___ his arrival he telephoned me. • hardly...when... ;no sooner... than... • I had no sooner got home than it began to
• 2).Someone called me up in the middle of the night but they hung up _b_e_f_o_r_e__ I could answer the phone. :还未来得及...就...,不等...就...
高中英语状语从句课件(共124张PPT)
about BEC, I came to realize that what I learnt was really tiny.
当我了解有关BEC相关的信息后，我才发现自 己所学的简直是九牛一毛。
时间状语从句
since 自从……
We haven’t seen each other since we parted. 我们自从分手以后一直没见过面。 备注：主句常用现在完成时，从句 常用一般过去时。
时间状语从句 as when while
时间状语从句
as 正当…… 一 边……一边…… 随着……
1. 表示某事一发生，另一事立即发生
As the suvn. 出ro现ser,istehe fog disv.a消pp失eared.
n. 任期
As he sets out on his second term,
3. 表示两个动作同时发生。 She sang as soon as she did some washing. Report as soon as anything happens.
do some cleaning do some coo
4. 表示“随着…..”。常指一个行为是 另一个行为的结果，或一种状态随另一 种状态变化。
mistakes.
过不了多久，他就会意识到自己的错误。
时间状语从句
after 在……之后
After you use plastic bags, you mustn’t throw them about.
用过了塑料袋之后，不准到处乱扔。
After I got the relevant information
高中英语状语从句..(共48张PPT)
suddenly someone patted me on the
shoulder :faronmd tbhehni:n正d在. …的时候,突然… 5. The students sang __a_s____ they went
along. 一边...一边
• 6.Strike __w_h_i_le__ the iron is hot. • 7. _A_s___ a child,he lived in the
• in spite of; despite;regardless of • :prep. + n. • He went out in spite of the fact that he
had a bad cold • He went out in spite of the cold.
目的状语从句 so that, in order that 以便/为了
nothing can change it.
原因状语从句
because, since, as, now that
• Because he was ill,he didn’t go to school.
• He didn’t go to school because of his illness.
:不多久就...
• * after : conj&prep. • After he finished his work,he left there. • He finished his work before he left there. • After finishing his work,he left there.
• 以防:
• in case; for fear (that) • 你最好带上你的伞,以防下雨 • You’d better take your umbrella
英语语法《状语从句》课件完整版
英语语法《状语从句》课件完整版一、教学内容本节课的教学内容选自人教版高中英语必修5第四单元，主要讲解状语从句的用法。
状语从句是一种从句类型，用来修饰动词、形容词、副词或整个句子，表示时间、地点、原因、条件、方式等。
本节课将详细介绍时间状语从句、地点状语从句、原因状语从句、条件状语从句和方式状语从句的构成及用法。
二、教学目标1. 让学生掌握状语从句的五种类型及其构成；2. 培养学生正确运用状语从句表达句子意思的能力；3. 提高学生对英语语法的理解和运用水平。
三、教学难点与重点1. 教学难点：状语从句的语法结构和用法；2. 教学重点：引导学生运用状语从句表达实际场景。
四、教具与学具准备1. 教具：PPT、黑板、粉笔；2. 学具：笔记本、练习册。
五、教学过程1. 情景引入：教师展示一段对话，引导学生关注其中的状语从句，如： "When I arrived at the station, the train had already left.""If you need any help, please don't hesitate to ask me."让学生分析这些状语从句的类型和用法。
2. 知识讲解：教师运用PPT展示状语从句的五种类型，分别为：a) 时间状语从句：如when, after, before, as soon as等；b) 地点状语从句：如where, wherever, in which等；c) 原因状语从句：如because, since, as等；d) 条件状语从句：如if, unless, until等；e) 方式状语从句：如as, as if, as though等。
教师举例讲解每种状语从句的构成和用法，让学生进行随堂练习。
3. 例题讲解：教师展示一些状语从句的例题，如："I will go to the party if I finish my work.""He waited for her in the hall, wherever she might be."让学生分析这些例题的状语从句类型和用法，并进行小组讨论。
高中英语状语从句课件(共46张PPT)知识讲解
As he might try, he wouldn’t succeed.
注：
如果主句是短暂性动作，从句是延续性动词的进行时 态表示在段时间内正在进行的动作时，when,while,as 可互换。
When/While/As I was walking down the street, I came across an old friend of mine.
while的用法
1. while“当……的时候”,从句的动作必须是延续性的 Please don’t talk so loud while others are working.
2. while “趁…的情况赶紧做” Strike while the iron is hot.
3. while“尽管，虽然”，相当于although
注意：从句通常将作表语的adj/n.、作状语的adv、 作谓语的 do(情态动词后的动词原形)提到句首, 但单数名词前的冠词必须 省略。）
As he was tired,he refused to take a rest.
As he worked hard, he can’t work out the problem.
4）It was not +时间段 +before… “没过……就……” It wasn’t long before he left the country.
从句和主句的时态： 1. 一致：过去式 2.主将从现
until (till)
肯定句:(一直)...为止 He waited until/till his mother came back.
状语从句
高中英语语法专题系列：状语从句课件(共78张)
till和 until跟主句里否定形式表示非延续性动作的谓语动词 连用表示“直到……才(开始)”，这时until和till 可用before 代替。Not 有时被no, nobody, nothing, never, hardly, little 等否定词所取代。 People do not know the value of their health till/until/ before they lose it. Don’t put off what you can do today until tomorrow . 今日事，今日毕。 = Never put off what you can do today until tomorrow.
5）unitl/till
till和 until引导时间状语从句时跟主句里肯定形式表示 延续性动作的谓语动词连用表示“到……为止”。 Walk until/ till you come to a white house. I will stay with her until/till he comes back.
before 常用句型 （必背句型） ①It will be + 时间段+before+ 一般现在时：要等多久才……. It will be five years before we meet again. ②It won't be long before+ 一般现在时：等不了多久就会…… It will not be long before you regret what you have done. ③It was +时间段+before +一般过去时：等了多久就…… It was minutes before the police arrived. ④It wasn't long before+ 一般过去时：没等多久就…… It was not long before I realized I was wrong.
高中英语 高中条件状语从句讲解(共17张ppt )
You can borrow my car in case you promise not to drive too fast. 假如你答应不开得太快，我就可以把车借给你。
04 providing/provided that 如果
He’s welcome to come along，provided that he behaves himself. 只要他规矩点，他一起去是受欢迎的。
or young chicks，they don't use a nest.
A. why
B. how
C. unless
D. where
②You must keep on working in the evening，________ you are sure you can
finish the task in time.
A.Once
B.If
C.Because
D.Unless
3.
you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two
nights.
A.Once
B.Unless
C.If
hard togeth
C.as long as
D.for fear that
we Chinese work
2.
you try to do something beyond what you have already mastered, you will never grow.
特殊引导词 as/so long as（只要） only if（只有） providing/provided that （如果） suppose/supposing that（假设） in case（以防，假使） on condition that（条件是）
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高中英语条件状语从句ppt篇一：高中英语状语从句讲解高中状语从句讲解+练习状语通常由副词、介词短语、动词不定式、分词和从句等担当。
例如：1. Naturally , our grandparents were pleased to get our phone call . (副词)2. We worked hard , from suise to sunset . (介词状短语)3. To help my disabled aunt , I spend an hour working in her house every day . (不定式)4.Seen from a distance , the farmhouse looked deserted . (过去分词)5. I know how to light a camp fire because I had done it before .（原因状语从句）状语从句主要用来修饰主句或主句的谓语。
一般可分为九大类，尽管种类较多，但由于状语从句与汉语结构和用法相似，所以理解和掌握它并不难。
状语从句的关键是要掌握引导不同状语从句的常用连接词和特殊的连接词即考点。
现分别列举如下:1．时间状语从句常用引导词：when, as, while, as soon as, while, before, after, since , till, until特殊引导词：the minute, the moment, the second, the instant, immediately , directly, every time,the day，no sooner ? than, hardly ?when, scarcely ? when （1）Tell him I need to see him the minute he arrives. 他一到就告诉他我要见他。
（2）The children ran away from the orchard(果园) the moment they saw the guard.The moment he saw me, he ran away. 他一看见我，就跑了。
He said he’d call you the moment he got home. 他说他一到家就给你打电话（3）The instant I saw him, I knew he was the man from the restaurant.（4）Immediately you begin to speak, he gives you his full attention.你只要一开始说话，他就全神贯注地听。
（5）My sister came directly she got my message. 我妹妹一收到我的信息就来了。
（6）Every time I listen to your advice, I get into trouble. （7）no sooner... than... ，一...就... ，引导时间状语从句,主句用过去完成时,than后面的从句用一般过去时.(从这里可以知道,no sooner后面是主句;than后面是从句)例: I had no sooner reached home than it began to rain. 我一到家天就下起雨来No sooner ...than...常放在句首,表示强调.这时主句要倒装. 例:No sooner had I reached home than it began to rain. （8）He had hardly sat down when the telephone rang.他刚坐下电话就响了。
He had scarcely sat down when there was a knock at the door. 他刚坐下就有人敲门另外，如果把hardly放于句首，主句要用倒装结构。
如：Hardly had I finished eating when he came in.我刚吃完他就进来了。
2．地点状语从句常用引导词：where特殊引导词：wherever, anywhere, everywhereGenerally, air will be heavily polluted where there are factories.She was standing exactly where you are standing now那时他就站在你现在站的地方。
Stay where you are.呆在原地别动。
Wherever you go, you should work hard.Sit anywhere you like 随便坐吧3．原因状语从句常用引导词：because, since, as,特殊引导词：seeing that, now that, in that, considering that （考虑到，鉴于）, for the reason thatMy friends dislike me because I’m handsome and successful.I won’t stay long, seeing that/ seeing as you are busy我不会久呆，看你很忙Now that everybody has come, let’s begin our conference.I have been lucky in that I have never had to worry about money我很幸运，从来不必为钱发愁。
I think we paid too much money for the house, considering that we needed to get the roof repaired.考虑到我们得修屋顶，我认为我们的房子买贵了4．目的状语从句常用引导词：so that, in order that特殊引导词：（just）in case以防万一，for the purpose that, Take an umbrella, in case it rains.带把伞吧，以防下雨。
The teacher raised his voice on purpose that the students in the back could hear more clearly.5．结果状语从句常用引导词：so ? that, so? that, such ? that,特殊引导词：such thatHe got up so early that he caught the first bus.It’s such a good chance that we must not miss it.6．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只有, providing/providing that/provided that（只要）,suppose that, in case (美)如果, on condition that（条件是）We’ll start our project if the president agrees.What shall we do if it snows tomorrow?Don’t leave the building unless I tell you to.You can go out to play as long as you stay in the backyard.只要不出后院，你可以出去玩You will certainly succeed so long as you keep on trying.I told him he would succeed only if he tried hard. 我告诉他，只有努力才能成功。
You can borrow the car , providing I can have it back by six o’clock.你可以借用我的车，只要六点钟以前还给我就行。
He can come with us , provided he pays for his own meals. In case I am late, start without me.如果我来晚了，你们就别等我先开始吧。
7．让步状语从句常用引导词：though, although, even if, even though特殊引导词：as尽管，虽然(用在让步状语从句中必须要倒装)，while ( 一般用在句首)=although，no matter ?，in spite of the fact that, whatever, whoever, wherever, whenever,however, whichever, whether??or??（不管??还是??）While there was no conclusive evidence, most people thought he was guilty.虽然没有确凿的证据，大多数人还是认为他有罪。
Kelly loved her husband in spite of the fact that he drank too much.虽然丈夫喝酒很凶，kelly仍然爱着他。
The old man always enjoys swimming even though theweather is rough.No matter how hard he tried, she could not change her mind.He won’t listen whatever you may say.Whether you like the job or not , you have to do it right now. 不管你是否喜欢这个工作，你现在都要去做它although 引导正常语序的让步状语从句，though既可以引导正常语序的让步状语从句，也可以引导倒装语序的让步状语从句，as引导倒装语序的让步装语丛句。
一、名词+ as / though + 主语+ 其他King as he was，he was unhappy. 他虽是国王，但他并不幸福。
Child as he is，he knows to help other. 他虽是个孩子，却知道帮助别人。