表语从句PPT课件

如：I don’t like the man who wears a beard.
宾语从句的功用： 相当于一个名词，作宾语
如：I don’t know where I can got so much money. It depends on whether we have enough money. I am sure that he will come this afternoon.
2. The girl is giving us a vivid description of the moon. It seems as if she had been to the moon many times.
What 在表语从句中充当 句子成分
什么，什么样子，什么样子人或事
表示 .
1. The question is what caused the accident.
2. That mountain is not what it used to be .
3. What he told you was what had been discussed at the meeting.
以上句子中，1 划线部分引导_表__语__从句， 2划线部分引导___宾_语___从句，3划线部分引导 __主_语___从句，4划线部分引导_同__位_语__从句。 它们统称为名词性从句。
Revision： 定语从句的功用：
相当于一个形容词，修饰一个 名词或代词〔即先行词〕。常 紧跟在先行词后，作定语用。
2.由连接代词引导。如：“what〞 “who〞“whom〞“whose〞 Guilin is not what it used to be. What she wants to know is which dress she should buy.
3.由连接副词引导。如：“when〞“why〞“where〞“how〞“ That is where Lu Xun used to live. That is why he didn’t pass the exam.
比较 that在定语从句中的用法。 There are some films that I’d like to see.
She is the only student that knows French.
结论:that 在引导定语从句时,指事物,也可指人, 在从句中作主语或宾语,作宾语时常可省
略。
一些引导词的用法〔二〕
另： what 不引导定语从句
一些引导词的用法〔三〕
• whether在表语从句中表 “是否,但〞不充当句子 的成分。if 不能引导表语从句.如:
What the doctor really doubts is whether my mother will recover from the serious disease soon
as if ,as though引导。如： It looks as if it were going to rain.
一些引导词的用法〔一〕
that在表语从句中 既不充当成分,又 没有意义 。
The fact is that he hasn’t yet recover from illness. The reason why he has to go is that his mother is ill in bed.
表语从句PPT课件
1. That is what I amΒιβλιοθήκη Baiduinterested in. 2. I think that you are very brave. 3. What we should do next remains unknown. 4. I like the news that I pass the exam.
表语从句的功用：
相当于一个名词，作连系动词 如:be,look,taste,seem 等后的表语。
一、表语从句的定义：表语从句在复合句中作主句的 表语。表语从句和主语指同一内容，它对主语进展 解释、说明，使主语的内容详细化。
二、表语从句的表现形式
1.由附属连词引导。如：“that〞,“whether〞 The question is whether we should ask them for help. The trouble is that he has never done the work before.
一些引导词的用法〔四〕
由as if
引导表语从句时要注意语态.假设从句表
示与如今事实相反,谓动用 一般过去式〔be用w,ere〕
与过去事实相反用 had+p.p.
1. Li Lei is now in a new jacket. He looks as if he were an American boy.