That is why the brothers wanted to
make a bet. That’s why we’ve given you the letter.
表语从句引导词注意事项
1. that引导表语从句时不能省. 2. if不能引导表语从句. 3.除that外的所有引导词都有自己
的意义。 4. 除that, whether外的所有引导
2. What he told you was what had been discussed at the meeting.
3. That mountain is no longer what it used to be .
引导词的用法（四）
who 在表语从句中充当 主__语_、__宾__语_或__表_语___表示_谁___.
句中不做任何成分，不能省略。
2)在表“建议，劝说，命令”的名词 idea,suggestion, request, proposal 后面的表语 从句中，谓语动词用“should + 动词原形”， should可省略
1) My opinion is that it’s getting better and better.
2. 表语从句的构成
This is why he did it. 主语 系动词 表语从句
结构是“主语+பைடு நூலகம்动词+表语从 句”。
可以接表语从句的系动词有：
be，feel , seem , look , sound, taste , smell ，appear， remain ,keep, stay
become ,get , grow , turn ,go , prove, turn out 等。
引导表语从句的引导词： 连接词：
that / whether /as if /as though
连接代词： who / whom / whose / which / what
连接副词： when / where / why / how / because
1.The question is whether we can rely on him.
2.That’s because we were in need of money at that time .
3.He looked as if he was going to cry .
4.That’s why I was late .
Predictive clause 表语从句 1. that引导的表语从句 1) that 在从句中仅起连接作用，无实际意义，在
词都须在从句中充当相应的成 分
名词主语+be+that引起的表语从句
1.The reason why I was late was that I missed the train.
2. I was late. It/That/This was because I missed the train.
引导词的用法（八）
当表语从句中主语、宾语、表语具备， 但还是要表示疑问含义，可以判断句子 中缺少状语，常常用相应的特殊疑问词 引导，有why, when, where, how等 This is how he did it.
1. The problem is who could do the work
2. My trouble is who (whom) I can turn to.
3. Could you tell me who he is?
引导词的用法（五）
which 在引导表语从句时,常充当
_定__语__,_表_语______ 表示 哪一个,哪一些 。如：
1.It looks as if it is going to rain.
2.The young man with long hair looks as if he were a girl. （虚拟语气）
引导词的用法（七）
当主句的主语为reason,或者是由why 引导的从句时,与它们相关的表语从句用 _th_a_t_来_引__导__,而不能由_b_e_c_a_u_s_e 引导; because 引导表语从句时只能用于 _It_/_T_h_a_t/_T_h_is__is_/_w_a_s__b_ec_a_u_s_e_…_句型中.
I read about it in some book or another,but what I don’t know is which (book) it is.
引导词的用法（六） 由as if ,as though引导表语从句，表
示好像。句子中的系动词常用be, look, appear, seem，sound等。
Predicative Clauses 表语从句
1. 表语从句的定义
The question is difficult. 简单句 （表语）
The question is who will do it.复合句 （ 表 语）
表语从句
表语从句的定义：
在复合句中作表语的从句叫表语从 句。表语从句位于主句的系动词后。 表语从句说明主语是什么或者怎么样, 对主语进行解释、说明，使主语的内 具体化。
2) My suggesstion is that we (should) start early tomorrow.
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:
1.What the doctor really doubts is whether my mother will recover from the serious disease soon.
2. The question is whether it is worth doing.
引导词的用法（三）
what 在表语从句中充当_主__语_、__宾_语__或_表__语__ 表示_什_么__，__什_么__样_子__，__或_所__…_的__（__人_或__事_）__.
1. The question is what caused the accident.