初中三大从句复习ppt课件

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二状语从句 用句子表达一件事情或一个行为发生的时间，这个句子就叫时间状语从句。时间
状语从句根据其所表示的时间不同，所使用的连词也不同。下面我们一起来 看一下几个常见的时间状语从句： 这里主要讲时间状语从句和条件状语从句这一块往往和从属连词（专题十四）一 块考 时间，条件状语如果主句用了一般将来时从句将用一般现在时表将来含义。
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1.时间状语从句 时间状语由when，while，as, as soon as, since ,until/till, not…. until/till, before,
after等引导。
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(1)．when引导的从句：表示主句的动作和从句的动作同时发生，或从句的动作 发生在主句动作之前。
eg：I was going out when a visitor came. (动词动作同时发生。) 。
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7．Until/till 引导的从句：表示一个动作持续到某一时刻。 （1)Until/till表示“直到……”，如果主句中的谓语动词是延续性动词时，用肯定
或否定形式都可以，但表达的意思不同。 （2）not…Until/till表示“直到……才”，主句用否定式，从句用肯定。如果主句
中的谓语动词是瞬间动词时，必须用否定形式。
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(5)．after引导的从句：表示主句的动作发生在从句动作之后。 eg：After he locked the door, he left. 他锁上门后，就走了。 他做完工作后，和
朋友下了一盘棋。 小试牛刀：I will go out to play basketball with you. I finish my homework. (after)
was playing
had learned
1.当主句是一般现在时，宾语从句的时态不作限制，我们可以根据句子的需要使 用任何一种时态。 （需要性原则）
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1) He will go to Hong Kong . 2) He is sick. 3) He is reading a book . 4) He has finished his work.
He said
1) He
2) He 3) He 4) He
would tgooHong Kong .
wassick. a book .
was reading
had finished
his work.
2.当主句是一般过去时的时候，宾语从句必须运用相应的过去的某一种时态，从而 达到主句和从句的相互一致。（呼应性原则）
.
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一般 疑问 句
Are you…? Can you play…? Do you do…?
_b_e__ / __情__态__动词/______助+动_词__ +___谓_语_…______ ?
结论:陈述句和疑问句最本质的区别是陈述句中的be动词, 情态动词 ,助动词在主 语后,而在疑问句中,它们则在主语前
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七.本节小结
that（陈述句 ）
引导词
if／whether（一般疑问句 ）
宾
语
从
特殊疑问词（特殊疑问句)
句
三
要 素
主句为一般现在时从句可为任何时态
时态
一般过去时 过去将来时
主句为一般过去时
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句子的两种语序: 1.陈述句结构叫陈述语序 宾语从句必须用陈述句语序 2 疑问句结构叫疑问语序
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My name is…
陈 述 句
My favorite sport is… I am… I speak/have/like… I can play…
结构比较
_主__语__
谓语 + ____ + … ____
Where are you…? What can you -----d--o--…---?---H--o--w----d--o----y-o--u---d--o--…---?-------------------------
特殊 疑问 句
特殊
一般
疑问词
疑问句
_______ +_______ + ____
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(2)．while 引导的从句：表示“当……过程中”，强调某一段时间内主句和从句 中谓语动词所表示的动作在同一时期发生。由于while从句表示一个持续的行 为，所以从句中要用持续性动词，并且持续性动词常用进行时态。
eg：Keep an eye on my little sister while I am away.
主语
?
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陈
结构比较
述
.
句
主语
谓语
_____+ ____ + … ____
一般 疑问
be
主语
?
____ + ______ + …_____
句
情态动_词___
+
主语 ____ +
…____
?
特殊 疑问 句
助动__词___
主语 +_______+
…____
?
特殊
一般
疑问词
疑问句
?
_______ +_______ + …____
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二.宾语从句中时态的变化
I hear (that)
Jim was( be ) a worker two years ago.
Jim Jim
is
(
be ) an English teacher now ( cook ) dinner tomorrow .
.
Jim will coo(ksing )a popular song now.
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(3)．as引导的时间状语从句：表示“当……的时候；一边……一边……；随 着……”，其从句的主语与主句的主语往往是同一人或物。
eg：She sang as she worked. 她一边工作一边唱歌。=She was singing as she was working. I saw him as he was getting off the bus. 正当他下公共汽车时, 我看见了他。
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例如：They worked until it was late. 他们一直工作到天黑。 She didn’t go to bed until she finished her homework. 她写完作业才睡觉。 小试牛刀：All the people left. He waited.
(until)________________________________________ He went to bed . his ther came
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(4)．before引导的从句：一般表示主句的动作发生在从句动作之前。 eg：I didn’t know any English before I came here. 我到这儿来之前，一点英语
都不懂。 eg：I had written my report before my father came back.
9句和疑问句最本质的区别是陈述句中的be动词动词情态动词情态动词助动词在主助动词在主语后语后而在疑问句中而在疑问句中它们则在主语前它们则在主语前13宾语从句三要素宾语从句三要素引导词引导词thatthat陈述句陈述句ififwhetherwhether一般疑问句一般疑问句特殊疑问词特殊疑问句特殊疑问词特殊疑问句时态时态主句为一般现在时从句可为任何时态主句为一般现在时从句可为任何时态主句为一般过去时主句为一般过去时从句从句一般过去时一般过去时过去将来时过去将来时过去进行时过去进行时过去完成时过去完成时语序语序宾语从句的语序都为陈述句语序宾语从句的语序都为陈述
He asked me 在whether …… or not 的固定搭配中。如：
eg ：I want to know whether it’s good news or not . 我想知道是否
是好消息
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3.原来句子是特殊疑问句，就由原来的特殊疑问词引导
Do you know who (whom) they are waiting for? He asked whose handwriting was the best. Can you tell me where the No.3 bus stop is? I don’t know why the train is late. I don’t know who is she? The teacher said what’s wrong with him?
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3. 如果宾语从句所陈述的是客观真理，其时态常用一般现在时。 Our teacher said that January is the first month of the year. Scientists have proved that the earth turns around the sun.
从句
过去进行时 过去完成时
语序
客观真理 自然现象 公式定理 名言警句 时态不变
宾语从句的语序都为陈述句语序
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1. ---What time will Mr. Brown be back to China? ----Sorry. I don’t know _______. A. when did he go abroad B. why he is going abroad C. how soon will he be back D. how long he will stay abroad 2. ---May I come in ? I’m sorry I am late. ----Come in, please. But could you please tell me _______. ? A. why you are late again B. what were you doing then C. who you talked with D. how do you come to school 3. ---Could you please tell me _______. ? ----Bus No.32 will take you right there. A. where is Henan Museum B. what Henan Museum is like C. how can I get to Henan Museum D. which bus I shall take to Henan Museum 4. Peter says that the Whites are on holiday, but no one knows _______. . A. where they have been B. where are they C. where are they from D. where they have gone
由that引导的宾语从句。that只有语法作用，没有实在的意义，在口语和非 正式文体中可以省略。
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2.原来的句子是一般疑问疑问句时，用if 和whether
（1）Is she beautiful? （2）Does he live here?
(3) Can I help you?
用这两句型来练：
I want to know
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6．since引导的从句：表示“自从……以来”，从句中的动词一般表示动作的起 点，用过去时。since表示“自…以来”，主句用一般现在时或现在完成时， 从句用一般过去式。
eg：Since he met this good friend, he has made great progress in his studies. Mr green has taught in that school since he (came) to China three years ago.
Jim is singi(ngbe ) to the Great Wall twice . Jim basketball when his father came back.
( play )
Jim has been( learn )1000 Chinese words by the end of last semes
初中三大从句复习 （宾语，状语，定语）从句
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请问他们是什么从句 1.The man who is speaking at the meeting is a farmer. 2. I know who stole the money. 3. I didn't realize how special my mother was until I became an adult. 4. While John was watching TV, his wife was cooking.
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宾语从句三大考点点
一、引导词 二、语序 三、时态
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一 引导词
1.原来的句子是陈述句时，由that引导 He said (that) he wanted to stay at home. She doesn’t know (that) she is seriously ill. I am sure (that) he will succeed.