初中英语复合句专题

since 语气比较弱，表示关系上的自然结果，尤其用于对已经清 楚了的因素，常译成“既然”，“鉴于”，通常从句放在主句 前；
Since a lot of people make mistakes in life, Mr Smith wanted to give John a chance.
e.g.
3) Introduced by as
you go.
3. (原因状语从句)
1) Introduced by because
because 语气最强，它着重说明原因。用 why 提问的问句必须 用because回答，不能用as, since；
e.g.--Why
didn’t he come? --Because he was
ill.
2) Introduced by since
The more he heard the song, the less he liked it.
Ⅲ. The Attributive Clause (定语从句) 在复合句中修饰名词或代词的从句叫做定语从句。被定语 从句修饰的名词或代词叫做先行词。定语从句必须放在先行词 之后，对其先行词起限定作用。
是否将要下雨
Note: 只用whether的四种情况：
1. 在介Fra Baidu bibliotek后
2. 直接与or not连用时
I’ m thinking of whether we should go fishing. I don’t know whether they will come or not .
3. Whether + 动词不定式
例如: Who will come this afternoon (主语 Do you know___________________________? ) 谁下午将要来
(宾语) what he said Did you hear______________? 她说过什么吗 (状语) when she would come back . We didn’t know _________________________ 她将什么时候回来 连接代词/连接副词在宾语从句中充当一 定的子成份,不能省略
Note: 在时间状语从句中，主句和从句之间的时态应按下列 规律确定。
1) 主句一般将来时，从句用一般现在时： e.g. The boy will be a writer when he grows up. 2) 主句含有情态动词，从句用一般现在时： e.g. When the lights are red, the traffic must stop. 3) 主句为祈使句时，从句用一般现在时： e.g. Please don’t go to bed before you finish your homework.
关于宾语从句的时态对应
主句 从句
1、一般现在时
A.过去的某一种时态
2、一般过去时
B.根据句意选择时态
*特别要注意的是当宾语从句表示的是客观真理、科 学原理、自然现象、名言时，则用一般现在时，不
受主句时态的限制
He says that hewants ______to see him as soon as possible.(want) He said that hewanted ______to see him as soon as possible.(want) The teacher told us that the earth goes ____round the sun.(go)
e.g. The oil must be out, for the light went out.
4. (条件状语从句)
1) 条件状语从句通常由if或unless(=if not)引导，从句 中常用一般时代替将来时，即if或unless后的句子谓 语用一般现在时或一般过去时。但是，主句则通常 用将来时，情态动词或祈使句。 e.g. If he doesn’t come on time, we won’t know
Check the prices before you decide whether to buy one
4. 宾语从句提前时只能用whether
Whether this is true or not, I can’t say.
3. 连接代词who, whom, whose, what, which和 连接副词when, where how, why + 特殊疑问句 的宾语从句
一 、who, whom, whose引导的定语从句
1. who 在从句中作主语，不可省略，它所引导的定语从句所 修饰的先行词必须是人。
e.g. This is the doctor who saved her yesterday. 2. whom在从句中作宾语，它所引导的定语从句所修 饰的先行词必须是人，可以省略。
what to know. He must come if he is told. Please let me know if he comes back. I’ll go there unless it rains.
5. (结果状语从句)
1) Introduced by so that
There are big trees around the house so that it
When you get off the bus 1)________________________, you mustn’t push others. 当你下车时
2) They had already had breakfast
before they went to school ________________________________ 在他们上学之前 3) They talked about the party ___________________ after the people left. 在人们离开后 4) I will wait __________________________. until he comes 直到他来为止
(他想要和你通话)
he isn’t here right now. I’m sorry (that)___________________
他现在不在这里
that本身无意义,不充当任何成分,常被省略
Note:
1.宾语从句的否定转移：
主句是I/We think/suppose/guess/believe等时，从句中的 否定习惯上要转移到主句中。 如：我认为鸡不会游泳。 I think chickens can not swim. ( ) I don’t think chickens can swim. ( )
as 语气最弱，只表示一般的因果关系，从句放在 主句前或后均可； e.g. As he didn’t know the meaning of the
word, he looked it up in his dictionary.
Note:
for是并列连词，引导的句子不置于句首，是一种非直 接的、随便附加说明的理由或推断。
此外，上述情况在变成反意疑问句时，附加疑问句要 看从句，如果主句的主语不是第一人称，则附加疑问 句要看主句。 试比较： isn’t he I think he is wrong,_________? He thinks he is right,___________ doesn’t he ?
2.if/whether + 一般疑问句的宾语从句
Ⅰ. The Object Clause (宾语从句)
宾语从句是英语复合句中用来充 当宾语的句子。
宾语从句一般由“引导词+主语+谓语+ 其它”构成，其语序是陈述句语序.
1. that+陈述句的宾语从句
he wants to speak to you. 例如: He says that______________________.
When you get off the bus, you mustn’t push others. (时间状语从句) 主句 My mother will come if it doesn’t rain tomorrow. 主句 ( 条件状语从句)
1.由when, while , before, after, until, as soon as not ….until引导的时间状语从句)
The Complex Sentences in Junior English: 初中英语教材中涉及到的复合句主要有： The Object Clause ( 宾 语 从 句 ) 、 The Adverbial Clause ( 状 语 从 句 ) 和 The Attributive Clause (定语从句)。其它诸如 主语从句、表语从句、同位语从句等形式 的复合句尽管在教材中也有出现，但在中 考中没有被列为重点考查范围。
This is Tom.
Tom gave us a talk yesterday. ----This is Tom who (that) gave us a talk yesterday. 先行词 定语从句
引导定语从句的关系代词有：who, whom, whose, that, which
引导定语从句的关系副词有：where, when, why
can hardly be seen by passers-by.
2) Introduced by so…that/such…that
He walked so fast that I couldn’t keep up with him. He made such a good report that everybody was pleased.
6. 比较状语从句
1) Introduced by as…as/not so…as; than…
This question is not so difficult as I thought. The film is much better than we expected.
2) Introduced by The more…, the more
4) 主句为一般过去时，从句也用过去时态：
e.g. I liked reading when I was young.
2. (地点状语从句)
1) Introduced by where
Put the medicine where you can easily get it.
e.g. 2) Introduced by wherever e.g. I’ll go wherever
宾语从句小结
that 引导陈述句。 1、_________ 特殊疑问词引导特殊疑问句。 2、__________ if/whether 引导一般疑问句。 3、__________ 陈述句 语序。 4、宾语从句要用__________ 5、主句、从句时态要对应。
Ⅱ. The Adverbial Clause (状语从句) 状语从句是副词性从句，其句法功能 是修饰谓语或整个句子等，在句中作状 语，通常由从属连词引导。
e.g. The man (whom) you saw last week has left the town.
3. whose在从句中作定语，表示所属关系，其所 修饰的先行词既可是人也可是物。 e.g. I know the woman whose husband is a doctor. He lives in the house whose window faces south.
if/whether都可作宾语从句的引导词，意为 “是否”，在一般情况下可以互换。 if 多用于口语和非正式文体中; whether则多用于比较正式的文体中。 如： I could help her She asked me if/whether________________. 我是否能帮助她 it is going to rain. I don’t know if/whether__________________