高中英语语法权威解析一名词性从句附练习题.doc
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1、在句子中起名词作用句子叫名词性从句(Noun Clauses。 名词性从句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、介词宾语等,因此根据它在句中不同语法功能,名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。一 主语从句主语从句是在复合句中充当主语从句,通常放在主句谓语动词之前或由形式主语it代替,而本身放在句子末尾。1. It 作形式主语和it引导强调句比拟It 作形式主语代替主语从句,主要是为了平衡句子构造,主语从句连接词没有变化。而it引导强调句那么是对句子某一局部进展强调,无论强调是什么成分,都可用连词that。被强调局部指人时也可用who/whom
2、。例如: a) It is a pity that you didnt go to see the film. 你不去看那场电影真可惜。 b) It doesnt interest me whether you succeed or not.我对你成功与否不感兴趣。 c) It is in the morning that the murder took place.谋杀案是在早上发生。强调句型 d) It is John that broke the window.是John打碎窗户。强调句型2. 用it 作形式主语构造(1) It is 名词 从句 It is a fact that 事实
3、是 It is an honor that 非常荣幸 It is common knowledge that 是常识(2) It is 形容词 从句 It is natural that 很自然 It is strange that 奇怪是(3) It is 不及物动词 从句 It seems that 似乎 It happened that 碰巧 It appears that 似乎(4) It 过去分词 从句 It is reported that 据报道 It has been proved that 已证实 It is said that 据说3. 主语从句不可位于句首五种情况:1if
4、 引导主语从句不可居于复合句句首。2It is said /reported构造中主语从句不可提前。例如: 正确表达:It is said that President Jiang will visit our school next week. 错误表达:That President Jiang will visit our school next week is said. 3It happens/occurs构造中主语从句不可提前。例如: 正确表达:It occurred to him that he failed in the examination. 错误表达:That he fai
5、led in the examination occurred to him. 4It doesnt matter how/whether 构造中主语从句不可提前。例如: 正确表达:It doesnt matter whether he is wrong or not. 错误表达:Whether he is wrong or not doesnt matter. 5含主语从句复合句是疑问句时,主语从句不可提前。例如: 正确表达:Is it likely that it will rain in the evening 错误表达:Is that will rain in the evening
6、likely4. what 与that 在引导主语从句时区别 what 引导主语从句时在句时在从句中充当句子成分,如主语宾语表语,而that 那么不然。例如: a) What you said yesterday is right. b) That she is still alive is a consolation 二宾语从句宾语从句就是在复合句中作宾语名词性从句,通常放在主句谓语动词 (及物动词) 或介词之后。1. 作动词宾语 (1) 由that引导宾语从句(that 通常可以省略), 例如: I heard that be joined the army. 我听说他参军了。 (2) 由
7、what, whether (if) 引导宾语从句,例如: a) She did not know what had happened.她不知道发生了什么。 b) I wonder whether you can change this note for me.我想知道你是否能帮我改一下笔记。 (3) 动词间接宾语宾语从句。例如: She told me that she would accept my invitation.她对我说她会承受我邀请。2. 作介词宾语,例如: Our success depends upon how well we can cooperate with one
8、another.我们成功取决于我们之间合作。3. 作形容词宾语,例如: I am afraid (that) Ive made a mistake.我恐怕我已经犯了一个错误。注意:that 引导从句常跟在以下形容词后作宾语:anxious, aware, certain, confident, convinced, determined, glad, proud, surprised, worried, sorry, thankful, ashamed, disappointed, annoyed, pleased, hurt, satisfied, content 等。也可以将此类词后tha
9、t 从句看作原因状语从句。4. it 可以作为形式宾语 it 不仅可以作为形式主语,还可以作为形式宾语而真正宾语that 从句那么放在句尾,特别是在带复合宾语句子中。 例如: We heard it that she would get married next month. 我听说她下个朋就会结婚了。5. 后边不能直接跟that 从句动词 这类动词有allow, refuse, let, like, cause, force, admire, condemn, celebrate, dislike, love, help, take, forgive等。这类词后可以用不定式或动名词作宾语,但
10、不可以用that引导宾语从句。如: 正确表达:I admire their winning the match. 错误表达:I admire that they won the match.6. 不可用that从句作直接宾语动词 有些动词不可用于“动词间接宾语that从句“构造中,常见有envy, order, accuse, refuse, impress, forgive, blame, denounce, advise, congratulate等。例如: 正确表达:He impressed the manager as an honest man. 错误表达:He impressed
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