表语从句课件

例题： B The reason why he failed is ________he was too careless. A. because B. that C. for D. because of 主句主语为reason, 只能用that引导表语从句， 不能用because.
用because, that, why填空
1.那是因为他没有理解我。 That‘s because he didn’t understand me. （That‘s because…强调原因） 2.那正是他对我生气的原因。 That’s why he got angry with me. （That's why…强调结果）
that, why 与 because 引导表语从句 表示原因的区别: 1. that 没有词义，why强 调结果 “为什么”，because 强调原因 “因为” The reason was that you don’t trust her.
which 在引导表语从句时,常充当 _____________ 定语,表语 表示 其中哪一个 。如：
I read about it in some book or another,but what I don’t know is which (book) it is.
5.引导词的用法（六）
where, when, why, how引导的表语从句
A
2.---I drove to Zhuhai for the air show last week.
---Is that_______ you had a few days off?
A
(NMET1999)
A.why B.when C.what D.where
解析:这是一个由why引导的表语从句, 表示原因.这句话的意思是"这就是你离 开的原因吗?"。故答案为A。

5.引导词的用法（三）
主语、宾语或表语 what 在表语从句中充当______________ 什么，什么样子，或所…的（人或事） 表示____________________________. 1. The question is what caused the accident. 2. That mountain is no longer what it used to be . 3. What he told you was what had been discussed at the meeting.
(2)表示“建议，劝说，命令”的名词 idea, suggestion, request, proposal 等 后面的表语从句中，谓语动词用 “（should ）+ 动词原形”，should 可省略 My opinion is that it’s getting better and better. My suggesstion is that we (should) start early tomorrow.
This is how they overcome the difficulties.
My strongest memory is when I attended an American wedding.
5.引导词的用法（七）
as if, as though 引导的表语从句
as if/though引导的表语从句常置于连系动词look, seem, sound, be, become等后面，常用虚拟语气， 表示不存在的动作或状态。



Eg. The reason was ______ the heavy rain prevented him from coming. The reason ________we didn’t trust him is that he has often lied. It is _______ he has often lied，so that we didn’t trust him.
连接副词where, when, why, how除在句中起连接作 用外，在从句中还充当时间、地点、方式、原因状语， 本身具有词义。 e.g. That’s where I can’t agree with you.
This is why Sara was late for the meeting.
注意 1.名词主语+be+that引起的表语从句
主语名词常常是 表示事实，真理的名词，如：fact, truth 表示看法，观点、问题、麻烦的名词， 如：idea, opinion, belief, view, news, advice, feeling, suggestion, plan, trouble, question, problem, 1.The fact is that our team has won the game. 2.The truth is that she was the very person we are looking for.
5.引导词的用法（二）
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. The question is whether it is worth doing.
注意：

表语从句中的 that 不能省略 表语从句中只能用 whether 不能用

if


表语从句中，从句用陈述句语序
1.---Are you still thinking about yesterday's game?
---Oh, that's_______ . (2003北京春季)
A. what makes me feel excited B. whatever I feel excited about C. how I feel about it D. when I feel excited 解析： 这是由what 引导的一个表语从句， 在从句中充当主语，这句话的意思为：那是 使我感到兴奋的事。故答案为A。
4. 接表语从句的引导词
连接词：that / whether /as if /as though (if不引导表语从句) 连接代词：who(ever) / whom /whose/ which(ever) / what(ever) 连接副词：when / where / why / how / because
3.reason 做主语时，表语从句只能用that 引导, 不能用why 引导。句型结构为： The reason is that + 原因 The reason+ (why…/for…)is /was that….
填空 : The reason why we didn't trust that he has often lied． him is ______
5.引导词的用法（八）
because, why 引导的表语从句
例句： (1) That’s because he didn’t understand me. 那是因为他不理解我。 (强调原因） (2) That’s why he got angry with me . 那正是他对我生气的原因。 （强调结果）
原因是你不信任她。 The fact is that they are angry with each other. 事实是他们生彼此的气。 He was ill. That’s why he was sent to the hospital. 他病了，所以被送到医院来。 He was sent to the hospital. That’s because he was ill. 他被送到医院，是因为他生病了。
5.引导词的用法（一）
that在表语从句中 既不充当成分没有意义 , 又 不能省略 。
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.
5.引导词的用法（四）
who 在表语从句中充当 谁 ______________表示____. 主语、宾语或表语 1. The problem is who could do the work 2. My trouble is who (whom) I can turn to.
5.引导词的用法（五）
The Predicative Clause 表语从句
1、表语从句的定义：
表语从句放在连系动词之后，充当 复合句中的表语。 The question is who will do it.

系动词
表语从句
2. 表语从句的构成
主语 + 系动词 + 引导词 + 简单句
This
is
why
he did it.
例题1： D The question is ________ we will have our sports meet next week. A. that B. if C. when D. whether
注意点1：if 不能引导表语从句
如果从句是特殊疑问句，用陈述句语序
2.The problem is _________to C take the place of John. A. who can we get B. what we can get C. who we can get D. that we can get