高一英语表语从句讲解
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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.
D. what
10.The problem is___B____ he has enough time. A.if B.whether C./ D.that 11.He made a promise___C____ he would help me. A.what B.when C.that D.which
从A、B、C、D四个选项中，选出可 以填入空白处的最佳选项。
1. It is not always easy for the public to
see _____ use a new invention can be of
to human life.
(重庆2011)
A. whose
B. what
C. which
1. That’s ___ the Party called on us to do. A. why B. what C. how D. that
2. The reason is ___ he is unable to operate the machine.
A. because B. why C. that D. Whether 3 .That is ___ they separated.
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. That mountain is no longer what it used to be .
3. What he told you was what had been discussed at the meeting.
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___.
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， 但是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
The question is who will do it.复合句 （表）
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. 表语从句的构成
This is why he did it. 主语 系动词 表语从句
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
Grammar
名词性从句
Complex sentence 复合句：
由一个主句和一个或一个以上的从句构成 的句子。连词连接两其中一个主谓结构是句 子的主要部分（主句），另一个或一个以上 的主谓结构只在句子中作某个成分如﹙主语、 宾语、表语、定语、状语、同位语）。
名 词 性 从 句︰
在复合句中起名词作用的从句叫名词性 从句（Noun Clauses ）.名词性从句的功能 相当于名词词组，它在复合句中能担任主语、 宾语、表语、同位语，因此根据它在句中 不同的语法功能，名 词 性 从 句又可分为 主语从句、宾语从句、表语从句、同位语从 句。
D. which
6. The message you intend to convey
This is how he did it.
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
名词性从句 noun clause
主语从句 subject clause
宾语从句 object clause
表语从句 predicative clause
同位语从句 appositive clause
Predicative Clauses 表语从句
1. 表语从句的定义
The question is difficult. 简单句 （表）
结构是“主语+系动词+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。
A. that B. what C. which D. where 4.Jane is no longer ___ she was four years ago.
A. what B. which C. that D. when
1. The question is ________ we will have our sports meet next week.
D. that
2. His writing is so confusing that it’s
difficult to make out _____ it is he is
trying to express.
(安徽2011)
A. that B. how C. who D. what
3. The shocking news made me realize
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.
as if he were a girl.
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.
1. The problem is who could do the work
来自百度文库2. My trouble is who (whom) I can turn to.
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：
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。
1.It looks as if it was doing to rain. 2.The young man with long hair looks
12.I remember___B____ this used to be a quiet village. A.how B.when C.where D.what
13.It is generally considered unwise to give a child____B___ he or she wants. A.however B.whatever C.whichever D.wherever
的意义。 4. 除that, whether外的所有引导
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
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,
A. where
B. there
C. there where D. where there
4．The problem is _________to take the place of Ted A. who can we get B. what we can get C. who we can get D. that we can get
5. What I want to know is ______ he likes the gift given by
us.
A.that
B. if
C. whether
D.不填
6. The reason is_________I missed the bus.
A. that
B. when C. why
A.that B. if C. when D. whether
2．The reason why he failed is ________he was too careless A.because B. that C. for D. because of
3. Go and get your coat. It’ s ________you left it
_____ terrible problems we would
face.
(北京2011)
A. what B. how C. that D. why
4. I’m afraid he’s more of a talker than a
doer, which is _____ he never finishes
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
anything.
(山东2011)
A. that B. when C. where D. why
5. We’ve offered her the job, but I don’t know _____ she’ll accept it. (山东2011)
A. where
B. what
C. whether
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.
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.
D. what
10.The problem is___B____ he has enough time. A.if B.whether C./ D.that 11.He made a promise___C____ he would help me. A.what B.when C.that D.which
从A、B、C、D四个选项中，选出可 以填入空白处的最佳选项。
1. It is not always easy for the public to
see _____ use a new invention can be of
to human life.
(重庆2011)
A. whose
B. what
C. which
1. That’s ___ the Party called on us to do. A. why B. what C. how D. that
2. The reason is ___ he is unable to operate the machine.
A. because B. why C. that D. Whether 3 .That is ___ they separated.
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. That mountain is no longer what it used to be .
3. What he told you was what had been discussed at the meeting.
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___.
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， 但是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
The question is who will do it.复合句 （表）
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. 表语从句的构成
This is why he did it. 主语 系动词 表语从句
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
Grammar
名词性从句
Complex sentence 复合句：
由一个主句和一个或一个以上的从句构成 的句子。连词连接两其中一个主谓结构是句 子的主要部分（主句），另一个或一个以上 的主谓结构只在句子中作某个成分如﹙主语、 宾语、表语、定语、状语、同位语）。
名 词 性 从 句︰
在复合句中起名词作用的从句叫名词性 从句（Noun Clauses ）.名词性从句的功能 相当于名词词组，它在复合句中能担任主语、 宾语、表语、同位语，因此根据它在句中 不同的语法功能，名 词 性 从 句又可分为 主语从句、宾语从句、表语从句、同位语从 句。
D. which
6. The message you intend to convey
This is how he did it.
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
名词性从句 noun clause
主语从句 subject clause
宾语从句 object clause
表语从句 predicative clause
同位语从句 appositive clause
Predicative Clauses 表语从句
1. 表语从句的定义
The question is difficult. 简单句 （表）
结构是“主语+系动词+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。
A. that B. what C. which D. where 4.Jane is no longer ___ she was four years ago.
A. what B. which C. that D. when
1. The question is ________ we will have our sports meet next week.
D. that
2. His writing is so confusing that it’s
difficult to make out _____ it is he is
trying to express.
(安徽2011)
A. that B. how C. who D. what
3. The shocking news made me realize
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.
as if he were a girl.
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.
1. The problem is who could do the work
来自百度文库2. My trouble is who (whom) I can turn to.
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：
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。
1.It looks as if it was doing to rain. 2.The young man with long hair looks
12.I remember___B____ this used to be a quiet village. A.how B.when C.where D.what
13.It is generally considered unwise to give a child____B___ he or she wants. A.however B.whatever C.whichever D.wherever
的意义。 4. 除that, whether外的所有引导
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
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,
A. where
B. there
C. there where D. where there
4．The problem is _________to take the place of Ted A. who can we get B. what we can get C. who we can get D. that we can get
5. What I want to know is ______ he likes the gift given by
us.
A.that
B. if
C. whether
D.不填
6. The reason is_________I missed the bus.
A. that
B. when C. why
A.that B. if C. when D. whether
2．The reason why he failed is ________he was too careless A.because B. that C. for D. because of
3. Go and get your coat. It’ s ________you left it
_____ terrible problems we would
face.
(北京2011)
A. what B. how C. that D. why
4. I’m afraid he’s more of a talker than a
doer, which is _____ he never finishes
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
anything.
(山东2011)
A. that B. when C. where D. why
5. We’ve offered her the job, but I don’t know _____ she’ll accept it. (山东2011)
A. where
B. what
C. whether
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.