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
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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
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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, everywhere
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Generally, 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 that
My 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
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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 that
He 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
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高中英语条件状语从句ppt
