届高考英语语法复习课件——状语从句.

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unless C.
______ it is possible to test this medicine on
精编优质课PPT高考英语语法一轮复习 状语从句课件(共58张PPT)(获奖课件推荐下载)
My mother was cooking while I was doing 如： When you have finished your work, you may have a rest.
when…
“ 在那时”,表示某件是正在发生或刚刚发生， 另一动作同时发生
The telephone was ringing when I got home. I was about to go to bed when he came back.
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We were just __ calling you up __ you came in. A. about ; when B. on the point of ; while C. on the point of ; when D. on the point of ; as
3. He hurried home, looking behind as he went. 他.匆匆忙忙回家，边走边往后看。
4. As he was going out, it began to rain. 当他出去时开始下雨了。
5. As a boy (When he was a boy), he was hopeless at English.

5.自然而然接when
状语从句省略
前提：
1. 从句的主语 与 主句的主语一致； 2. 从句中需有be动词。
省略时需把从句主语和be动词一起省 略。
He fell asleep when he was doing his homework. When I was surfing the net, the power was off. His father died when he was only three.
二. 连接词
语气最弱，看到一个现象去反推可能的情况 It must be morning，for the birds are singing.
原因状语从句
常见：because, as, since, for
用法几乎一致，表示直接的原因，as语气稍 弱。 As he is too yong, he can’t join the army.
二. 连接词：时间状语从句 一... 就....
no sooner... than... I had no sooner seen you than I smiled. hardly... when...
二. 连接词：时间状语从句 一... 就....
no sooner... than... I had no sooner seen you than I smiled.
二. 连接词
让步状语从句
1. although，though， as 虽然，尽管 2. even if ， even though 即便，即使 3. 特殊疑问词+ever/ no matter + 特殊疑问词 不论
二. 连接词：让步状语从句 3. 特殊疑问词+ever/ no matter + 特殊疑问词 不论

03 条件状语从句
条件状语
(1)条件状语从句通常由if, unless引导。例如：
1 What shall we do if it snows tomorrow?
Don’t leave the building unless I tell you to.
条件状语
2
(2)在条件状语从句里，时态需主将从现。例如：
定语从句：主句…表地点的名词+where…
place
状语从句：主句…+ where…
place
For example:
一般而言，有工厂的地方空气都会被严重污染。 Generally, air will be heavily polluted in the places where there are factories. Generally, air will be heavily polluted where there are factories.
love and respect him. 结果
条件 6. As long as you don’t lose heart, you’ll succeed. 7. Child as she is, she knows a lot of things. 让步 方式 8. The old lady treats the boy as if he were his own son. 9.He is taller than I am. 比较
C
结果状语从句
so…that, such…that,
D
条件状语从句
if, unless, as(so)long as
总结：状语从句分类及常用连词：
A
地点状语从句 where，wherever

第三组： Till, until
区别点
1．till不可以置于句首，而until可以。
_U_n_t_il_ the bell rang, he did not wake up.
2．not…until句型中的倒装和强调说法： 倒装句: Not until the bell rang, did he wake up.
3.Though it has been one year ___s_in__ce____ he came to the city, he knows every street here like the back of his hand.
4.The visitor were admiring the charming flowers __w_h_e_n__it started to rain.
3.It will not be long _b_e_f_o_re_ we meet each other again. 4.It was not long _b_e_f_o_re_ he left his hometown. 5.I have learned a lot of good things about you sinceI came back from abroad.
3.「四川」If you happen to get lost in the wild ,you had better stay whereyou are and wait for help。
4.She must be a superstar. WhereverShe goes, there are crowds of people waiting to see her.
2.在“It is +一段时间＋since ＋时 间点”始。 It is three years since the war

如主句动词是延续性动作，常用肯定式，表示 “直到…为止”;如主句动词是瞬间动词，常用 否定式，表示“直到…才”
not… until …句型考点：
与强调句型结合 I didn’t go to sleep until he came back.
It was not until he came back that I went to sleep.
2)Since everyone knows it, I will not say anything.
for 不是从属连词，而是并列连词。它 不是用来说明原因，而是用来表示一种 附带或补充解释、说明，不放在句首.
The day breaks, for the birds are singing.
as 表示很明显的双方都知道的原因 eg. As it is getting colder and colder,
状 语 从 句
一,什么是状语从句
状语从句在复合句中作状语,来说明一件 事情发生的时间,地点，原因,条件,结果 等.
二,状语从句的分类
时间，地点，条件，原因，让步，目的， 方式，结果，比较
时间状语从句
1. when / whenever
WahleenttIecra.m当we我hie进n体tn屋o指的时th的时，e 是他r间o正“o”m在,某。写h一e信w具。as writing W们e什s么ha时ll间gw有oh空tehn，ere我ev们wehr就e指n去ev的那er是里w。e“a在re free.我
land.（我们航行了四天才看见陆地） 6.before sb knew/realised it.
不知不觉地
一......就......
1.as soon as

动作一直延续到某时间
点才停止”
Until you told me I had no idea of it.
主句的谓语动词必须是 He won’t go to bed till/until she returns.
非延续性动词，表示 “某动作直到某时间才 Not until you told me did I have any idea of it.
例：
Let’s have a picnic if it doesn’t rain this weekend. 如果这周末不下雨，我们就去野餐。 I shall not go to the movie unless I finish my homework. 我不会去看电影的，除非我做完家庭作业。 So/as long as he works hard, I don’t mind when he finishes the experiment. 只要他努力工作，我不介意他什么时候完成实验。
例句 If you water a plant, it grows. We are going to have a picnic unless it rains. As long as you keep on trying, you will succeed. In case I forget, please remind me of my promise. We’ll let you use the room on condition that you keep it clean. Supposing that you fail, don’t lose heart, but try again. We’ll visit Europe next year provided we have enough money. What if we couldn’t get the preparation done in time?

The dog will eat a cake as soon as the cat leaves.
主句
从句
2.地点状语从句
地点状语从句
引导词：where + 强调形式
Wherever，everywhere，anywhere 不管哪里，任何地方，所有地方
2.地点状语从句 狗狗在发现蛋糕的地方吃了它。 The dog ate the cake where he found it.
1.时间状语从句 在某一时间之中 引导词：when while as
when： 时间点，“突然”
我到家的时候，狗狗在吃蛋糕。
The dog was eating a cake when I reached home.
e：时间段
我在做饭的过程中，狗狗在吃蛋糕。
The dog was eating a cake while I was cooking.
She is as beautiful as Snow White. 她和白雪公主一样漂亮.
3.比较状语从句
比较状语从句：更…
He is smarter than I. He is smarter than l am.
This cake is bigger than that one. This cake is bigger than that one is.
Because > since > as
因果/语气
原 因
because > since > as
状 语 because 引导的实实在在的因果关系
从 句
since 引导的是众所周知的事实
as 引导的是显而易见的事实

as soon as引导的时间状语从句
◆ as soon as :“一…就…”， 例句：他一回来我就告诉他这件事。 I will tell him about it as soon as he comes back.
◆相当于as soon as 用法的词或短语还有：immediately, directly, instantly, the moment, the minute, the instant等.
状语从句分类
• 状语从句可以分为：
• 1-时间状语从句、 2-地点状语从句、 3-原因状语从句、 4-结果状语从句、 5-条件状语从句, 6-目的状语从句、 7-让步状语从句, 8-方式状语从句.
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if
D.
当主句谓语动词是非延续性动词时, 主句常用否定形式。 We haven’t seen each other since we broke up.
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Though he wanted the job very much
句子 的一种句子成分。 它可以表示时间、地点、原因、目的、结果、条件、 让步、比较、方式等。
当充当状语的部分是一个句子时—— 状语从句。
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让 步
比 较 方 式
必修五
英语
高考总复习人教版
1．时间状语从句 ． (1)when引导时间状语从句 引导时间状语从句 这样考过 ①(重庆 重庆)Peter was so excited ________ he received an 重庆 invitation from his friend to visit Chongqing. A．where ． C．why ． B．that ． D．when ．
解析： 解析：for the first time“第一次”，其后不能接从句， “第一次” 其后不能接从句， 只能单独作状语； 只能单独作状语；at first“首先”，只能单独作状语，其 “首先” 只能单独作状语， 后不能接从句； 后不能接从句；the first time“第一次”，引导时间状语 “第一次” 从句。句意：贝蒂现在对这首诗表现出极大的兴趣， 从句。句意：贝蒂现在对这首诗表现出极大的兴趣，但第 一次读的时候她觉得它很让人生厌。 一次读的时候她觉得它很让人生厌。
必修五
英语
高考总复习人教版
这样考过 ⑩ ( 上 海 )You can't borrow books from the school library ________ you get your student card. A．before ． C．while ． B．if ． D．as ．
解析：句意： 解析：句意：在你没有学生证之前不能在学校图书馆 借书。根据常识， 借书。根据常识，一个学生只有拥有学生证之后才可以借 阅 图 书 馆 的 书 籍 。 before 在 …… 之 前 ； if 如 果 ； while 随着， 当……时候，然而；as随着，因为。 ……时候，然而； 随着 因为。 时候 答案： 答案：A

By the time I got home, she had already gone to bed. 我到家时她已经睡觉了。
地点状语从句引导词: where，wherever，everywhere，anywhere等。
• where 表示“在……的地方” You should have put the book where you found it. 你本应该把书放回原来的地方。 • wherever 表示“无论什么地方” Wherever you go, you should work hard. 无论你去哪里，你都应该努力工作。
结果状语从句引导词：so...that，such...that，so that等。 • so... that 表示“如此……以至于” He was so angry that he couldn't speak. 他气得话都说不出来。 • such... that 表示“如此……以至于” It's such a good chance that we must not miss it. 这是一个好机会，千万不能错过它。 • so that 表示“结果” He always studied hard so that he made great progress. 他总是努力地学习，结果他取得了很大的进步。
instantly, no sooner... than, hardly... when等。
I came immediately you called. 你一来电话我就来了。 Hardly had she arrived when it began to snow. 她刚到就下起雪来了。 The moment I have finished I'll give you a cal）”