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课件网) 名词性从句 English Grammar 名词性从句 名词性从句是由if, whether, that 和各种疑问词充当连接词所引导的从句,其功能同名词一样。 Subject Clause (主语从句) Object Clause (宾语从句) Predicative Clause (表语从句) Appositive Clause (同位语从句) Noun clauses 名词性从句 二classification分类 名词性从句分为: 主语从句—一个句子作主语 表语从句--一个句子作表语 宾语从句--一个句子作宾语 同位语从句--一个句子来解释或说明某一名词 引导名词性从句的连接词可分为三类: 连接词:that, whether, if 连接代词:what, whatever, who, whoever, whom, whose, which. 连接副词:when, where, how, why 1.that只起连接主句和从句的作用,在从句中不担任任何成分,本身也没有词义,除宾语从句中可省略外,其他都不能省略。 2.引导主语从句、表语从句和同位语从句,that不可省略。 从属连词 连接代词 连接副词 that(无词义), whether, if (是否) as if/as though (好像) what, who, whom, whose, which, whoever, whatever, whichever when, where, how, why 三 Conjunctions 连接词 有词义, 但不做成分 有词义, 做主,宾,表, 定语成分 有词义, 做状语成分 1.What:作主、宾、表 意思是:….的(东西、地方、职业…) 2.whatever:…一切、凡是…的 无论什么 3.whoever/whomever:谁…谁. 任何 …的人 无论谁 4.whichever:任何一个,无论那一个。 5.when.什么时候,….的时间 6.Where在哪里,…的地方 7.Why为什么,…的原因 名词性从句注意事项 1.语序 2.时态 3.语态 4.主谓一致 5.语气 一.主语从句 主语从句是在复合句中充当主语的从句,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引导强调句的比较 It 作形式主语代替主语从句,主要是为了平衡句子结构,主语从句的连接词没有变化,去掉句子还原。而it引导的强调句则是对句子某一部分进行强调,无论强调的是什么成分,都可用连词that。被强调部分指人是也可用who,去掉不成句子。例如: It is a pity that you didn’t go to see the film. It doesn’t interest me whether you succeed or not. It is in the morning that the murder took place. It is John that broke the window. 1. 用it 作形式主语的结构 (1) It is + 名词 + 从句 It is a fact that … 事实是… 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… 奇怪的是… (3) It + 不及物动词 + 从句 It seems that… 似乎… It happened that… 碰巧… It appears that… 似乎… (4) It + is+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… 1._____ isn’t exactly known. (come) (地震是怎样发生的还不被人知道) 2._____ has been done. (ask) (凡是她要求我们做的都已经做了) 3._____ won’t see it destroyed.(love)(任何爱这座城市的人都不愿意看到它被毁) 4.It happened_____(碰巧这个岗位空着).(vacant) 5._____ was that more than 90% of the students had been admitted to key universities. (proud) (使学校骄傲的是90%的学生被重点大学录取) 6. It worried her a bit _____(使她担心的是她头发在变白).(grey) 7. _____is none of my business. (like) (她不喜欢你不关我的事) How the earthquake comes about Whatever he asked us to Whoever loves the city that the position ... ...