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中考英语表语从句综合练习题30题1.The problem is who can take care of the baby.A.whatB.thatC.whoD.which答案：C。
本题考查表语从句的连接词。
句子的意思是“问题是谁能照顾这个婴儿”，表语从句中缺少主语，且指人，所以用who。
what 一般在从句中充当主语、宾语或表语，但这里不适合；that 在表语从句中不充当成分，只起连接作用，此处不合适；which 一般用于有选择范围的时候，这里也不适用。
2.My worry is whether he will come on time.A.thatB.ifC.whetherD.when答案：C。
表语从句中“是否”一般用whether 引导，不用if。
that 在表语从句中不充当成分，只起连接作用，此处不合适；when 引导表语从句时表示时间，不符合题意。
3.The question is how we can solve this problem.A.whatB.thatD.which答案：C。
本题中表语从句缺少方式状语，所以用how 引导。
what 一般在从句中充当主语、宾语或表语；that 在表语从句中不充当成分，只起连接作用；which 一般用于有选择范围的时候。
4.Her suggestion is that we should start early.A.whatB.thatC.whichD.when答案：B。
that 在表语从句中不充当成分，只起连接作用，此处that 引导的表语从句是对suggestion 的解释说明。
what 一般在从句中充当主语、宾语或表语；which 一般用于有选择范围的时候；when 引导表语从句时表示时间。
5.The reason is because he was ill.A.thatB.becauseC.whyD.for答案：A。
“The reason is that...”是固定用法，不能用because。
九年级英语表语从句练习50题1.The reason why he is absent is that he is ill.答案解析：“The reason why...is that...”是固定句型，表示“……的原因是……”。
此句中“he is ill”是表语从句，用that 引导，在句中不充当成分，只起连接作用。
2.My dream is to be a teacher.答案解析：“to be a teacher”是动词不定式作表语，不是表语从句。
3.His suggestion is that we should go there by bike.答案解析：“that we should go there by bike”是表语从句，用that 引导，在句中不充当成分，只起连接作用。
4.The problem is who can help us.答案解析：“who can help us”是表语从句，在句中作表语，表示“谁能帮助我们”。
5.What I want to know is when the meeting will start.答案解析：“when the meeting will start”是表语从句，在句中作表语，表示“会议什么时候开始”。
6.The question is whether he will come or not.答案解析：“whether he will come or not”是表语从句，在句中作表语，表示“他是否会来”。
7.My worry is how I can improve my English.答案解析：“how I can improve my English”是表语从句，在句中作表语，表示“我怎样才能提高我的英语”。
8.The fact is that he has made a mistake.答案解析：“that he has made a mistake”是表语从句，用that 引导，在句中不充当成分，只起连接作用。
表语从句表语从句就是用一个句子作为表语。
说明主语是什么或者怎么样，由名词、形容词或相当于名词或形容词的词或短语充当，与连系动词一起构成谓语。
The problem is puzzling. 这个问题令人困惑。
（主语+连系动词+形容词作表语）The problem is when we can get a pay rise.问题是什么时候我们可以得到加薪。
（主语+连系动词+句子作表语（表语从句））※连接表语从句的连接词有：that, what, who, when, where, which, why, whether, how, whoever，whomever，whichever ，whatever等。
还有如because, as if, as though等。
His suggestion is good.His suggestion is that we should stay calm.The question is confusing.The question is when he can arrive at the hotel.※表语从句一定要用陈述语序。
False: The question is when can he arrive at the hotel.Right: The question is when he can arrive at the hotel.※引导名词性从句时if/whether（是否）用法辨析：if不能引导表语从句，只能用whether 来引导。
引导宾语从句时if/whether可以互换，但介词后面的宾语从句只能用whether来引导。
位于句首的主语从句只能用whether来引导，同位语从句也只能用whether来引导。
False: The question is if the enemy is marching towards us.Right: The question is whether the enemy is marching towards us.※不像宾语从句，在有表语从句的复合句中，主句时态与从句时态可以不一致。
表语从句讲解及专项练习概念：表语从句是在复合句中作表语的名词性从句。
放在系动词之后,一般结构是“主语+系动词+表语从句”可以接表语从句的连系动词有be, look, remain, seem等。
★ The trouble is that we are short of money.困难是我们资金短缺。
★ That is why stone walls are used instead of fences around New England fields.这就是为什么在新英格兰用石头墙而不用栅栏的原因。
★ At that time, it seemed as if I couldn't think of the right word anyhow.当时,我似乎怎么也想不出一个恰当的字眼来。
引导表语从句的词：从属连词that、whether、as though、as if（That引导表语从句时，在口语中，间或可以省略。
）关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever等；关系副词when, where, why, how, however, whenever, wherever等。
※由从属连词that，whether引导的表语从句。
that在引导表语从句时无词义，而whether有词义，意为、“是否”。
这时主句的主语常常是些抽象名词，如question(问题)，trouble(麻烦)，problem(问题)，result(结果)，chance(可能性)，suggestion(建议)，idea(想法)，reason(理由)等。
表语从句对主句主语进行说明、解释，使主语的内容具体化。
例如：★ The trouble is (that) she has lost his money. 麻烦的事是他丢了钱。
表语从句1．定义：用作表语的从句叫做表语从句。
2．关联词(1)从属连词that。
在从句中不做成分。
如：The trouble is that I have lost his address. 麻烦是我把他的地址丢了。
The reason was that he was late for school.(2)从属连词whether, as, as if。
如：1. He looked just as he had looked ten years before. 他看起来还与十年前一样。
2. The question is whether they will be able to help us.问题是他们是否能帮我们。
注：从属连词if一般不用来引导表语从句，但as if却可引导表语从句，如：All this was over twenty years ago, but it’s as if it was only yesterday.这都是20多年前的事了，但宛如昨天一样。
The key is whether we can solve the problem.。
It looked as if it was going to rain.注：能跟表语从句的谓语动词一般为系动词be, seem, look，sound等。
如：He looked just as he had looked ten years before. 他看起来还与十年前一样。
造句：听起来好像有人在敲门。
It sounds as if someone is knocking at the door.(3)连接代词who, whom, whose, what, which, whoever, whatever, whichever 在表语从句中做主语、宾语等。
如：The problem is who we can get to replace her.问题是我们能找到谁去替换她呢。
表语从句Ⅰ。
Definition（定义）表语是用来说明主语的身份、性质、品性、特征和状态的，表语常由名词、代词、数词、动词过去分词、动词的-ing形式、副词、介词短语、形容词、不定式和从句等来充当.Eg。
（例子）The person stood in front of you just now is ____ ____.刚才站在你前面的那个人是我的校长.(名词充当表语)＊I didn't know that it was ____ at that time. 当时我不知道那是你。
(代词充当表语) The door remained ____。
门仍然关着。
(动词过去分词充当表语）Mary’s daily job is ____ ____ ____。
玛丽的日常工作就是打扫这间房子。
（动词— ing形式充当表语)The house is ____ ____ large ____ ____ beautiful. 这所房子不仅大而且漂亮。
（形容词) When I went to your house, you were ____.当我到你家的时候，你不在家。
(副词充表语）No one was ____ ____ ____, when she arrived. 当她到达时,宿舍里没人.（介词短语) My job is ____ ____ ____ ____。
我的工作是教你们英语。
（不定式充当表语)*The reason why he came late was that ____ ____ ____ ____.他迟到的原因是他的闹钟坏了。
(从句充当表语）（注:＊双从句)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.What I want to say is that I am tired表语从句放在连系动词之后，充当复合句中的表语.可以接表语从句的系动词有:1： be（being,been，am，is,are，was，were）2: feel , seem ， look, appear ，sound, taste ， smell3： stand ， lie , remain ,keep， stay4: become ,get , grow ， turn ,go ,come, run,fall5: prove， turn out连接词：that / whether /as if /as though (if不引导表语从句)连接代词：who / whom / whose / which / what连接副词：when / where / why / how / because表语从句1。
表语从句Ⅰ. Definition（定义）表语是用来说明主语的身份、性质、品性、特征和状态的，表语常由名词、代词、数词、动词过去分词、动词的-ing形式、副词、介词短语、形容词、不定式和从句等来充当。
Eg. （例子）The person stood in front of you just now is ____ ____.刚才站在你前面的那个人是我的校长。
(名词充当表语)*I didn’t know that it was ____ at that time. 当时我不知道那是你。
(代词充当表语) The door remained ____. 门仍然关着。
(动词过去分词充当表语)Mary’s daily job is ____ ____ ____.玛丽的日常工作就是打扫这间房子。
(动词- ing形式充当表语)The house is ____ ____ large ____ ____ beautiful. 这所房子不仅大而且漂亮。
（形容词）When I went to your house, you were ____.当我到你家的时候，你不在家。
(副词充表语) No one was ____ ____ ____, when she arrived. 当她到达时，宿舍里没人。
(介词短语) My job is ____ ____ ____ ____. 我的工作是教你们英语。
(不定式充当表语)*The reason why he came late was that ____ ____ ____ ____.他迟到的原因是他的闹钟坏了。
(从句充当表语)（注：*双从句）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.What I want to say is that I am tired表语从句放在连系动词之后，充当复合句中的表语。
可以接表语从句的系动词有：1: be（being,been,am,is,are,was,were)2: feel , seem , look, appear ,sound, taste , smell3: stand , lie , remain ,keep, stay4: become ,get , grow , turn ,go ,come, run,fall5: prove, turn out连接词：that / whether /as if /as though (if不引导表语从句)连接代词：who / whom / whose / which / what连接副词：when / where / why / how / because表语从句1. that1) that 在从句中不担任句子成分，无实际意义，一般不能省略2)在表“建议，劝说，命令”的名词idea, suggestion, request, proposal 等后面的表从句中，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.2.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.3.as if, as though 引导的表语从句1)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。
e.g. It sounds as if/though somebody was knocking at the door.2) 主语+连系动词（look/seem/appear……）+that/as if从句*as if/as though引导的表语从句如果是事实，就用陈述语气；如果与事实不符，就用虚拟语气(主句一般现在时,从句就用过去式，be的话变成were。
主句是过去式，从句用过去完成时)。
It looks as if he were her own father.(与事实不符)Dark clouds are gathering. It looks as if it’s going to rain.As /as if、as thoughThe situation is not ____ it seems to be.形势并不像外表所看到的那样。
She looks ____ ____ she is worried about her leader’s disease.她看上去很担忧她领导的病情。
It was ____ ____ he were mad.他好像疯了似的。
4.becausebecause引导表语从句通常只用于“This/That/It is because…”结构中。
My anger is because you haven’t written to me for a long time.你为什么不来出席座谈会？是病了么？Why were you absent from the forum? Was it because you were ill?5.that, why 与 because 引导表语从句时的区别1）虽然三者均可引导表语从句，但that没有词义，而 why 和 because 有自己的意思；另外，虽然 why和 because 都可引导表语从句，但前者强调结果，后者强调原因。
如：The reason was ____ you don’t trust her. 原因是你不信任她。
The fact is ____ they are angry with each other. 事实是他们生彼此的气。
He was ill. That’s ____ 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 ____ he was ill.他被送到医院，是因为他生病了。
填空: The reason why we didn't trust him is ______ he has often lied．*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 (why…/for…)is /was that….The reason is that……他早上来晚的原因是他晚了一分钟而没赶上火车。
The reason ____ he was late was ____ he missed the train by one minute this morning （当主语是reason时，表语从句要用that引导而不是because）注意点1：主语为reason 时，表语从句连接词用that, 但以it, this, that 开头做主语的句子，则可用because。
The reason for his being late was ____ he missed the early bus.She was late this morning. That was ____ she missed the early bus.* The reason why he was late was ____ he missed the early bus.（why引同位语从句）例题2：The reason why he failed is ________he was too careless.A. becauseB. thatC. forD. because of注意点2：主句主语为reason, 只能用that引导表语从句，不可用because.Bthat/what的区别1．_______your father wants to know is________ getting on with your studies.A. What; how are youB. That；how you areC. How；that you areD. What；how you are2. The trouble is__________we are short of tools.A. whatB. thatC. howD. why that3. America was __________was first called “India” by Columbus.A. whatB. whereC. the placeD. there where4. China is becoming stronger and stronger. It is no longer_________ .A. what it used to beB. what it was used to beingC. what it used to beingD. what it was used to be5. ________he really means is ________he disagrees with us.A. What … thatB. That … whatC. What … whatD. That … what6. The energy is ________ makes the cells able to do their work.A. thatB. whichC. whatD. such6.连接代词who, whom, whose, what, which, whoever, whatever, whichever 连接副词where, when, how, why。
The problem is ____ we can get to replace her.问题是我们能找到谁去替换她呢。
The question is ____ he did it. 问题是他是如何做此事的。
That was____ she did this morning on reaching the attic.那就是她今晨上了阁楼干的。
