主语从句

• • • • • •
句子充当主语——主语从句 句子充当宾语——宾语从句 句子充当表语——表语从句 句子充当同位语——同位语从句 句子充当定语——定语从句 句子充当状语——状语从句
名词性从句
• • • • • • 句子充当主语——主语从句 句子充当宾语——宾语从句 句子充当表语——表语从句 句子充当同位语——同位语从句 句子充当定语——定语从句 句子充当状语——状语从句
有些东西乍看起来很值钱，但后来却证明是一文不 值。比如，人们常说“闪光的并不都是金子”。 只是看起来很值钱的东西并不意味着真的很值钱。
That he doesn’t understand English is obvious. 很显然，他不懂英语。
That the world is round is a fact. 地球是圆的，这是一个事实。
That the moon itself does not give off light is common knowledge. 月球本身不发光是一个基本常识。
• 对于陈述句作主语，更常见的是用it作形式主语置 于句首，而将主语从句放在末。上面各句可分别 改为：
That English is important is an undoubted fact. 英语很重要，这是毋庸置疑的事实。 It is an undoubted fact that English is important.
It is common knowledge that the moon itself does not give off light.
It is true that English is becoming an international language. 的确，英语证日益成为一门国际通用的语言。
形容词性从句
• • • • • • 句子充当主语——主语从句 句子充当宾语——宾语从句 句子充当表语——表语从句 句子充当同位语——同位语从句 句子充当定语——定语从句 句子充当状语——状语从句
副词从句
• • • • • • 句子充当主语——主语从句 句子充当宾语——宾语从句 句子充当表语——表语从句 句子充当同位语——同位语从句 句子充当定语——定语从句 句子充当状语——状语从句
• What we need is wholly new kind of police force. 我们需要的是一个全新的警察机构。 • What he told you is true. 他和你讲的都是实话。
• When the meeting is to be held has not yet been decided. 会议何时举行还没决定。
• How a person masters his fate is more important than what his fate is. • 对于一个人来说，重要的是如何掌握自己 的命运，而不是被动地接受命运的安排。
• ________ is unimportant to me. ( Does she come?) • ________ remains uncertain. ( Shall we have the match?) • ________ was interesting. (What was he talking about?) • ________ wasn’t true. (What did she say?)
主语从句
• 从简单句到复杂句 • 主语从句：陈述句、一般疑问句、特殊疑 问句
从简单句到复杂句
• • • • • 句型一：SVC 句型二：SV 句型三：SVO 句型四：SVOO 句型五：SVOC
• 一个句子的谓语只能由动词来充当。 • 主语、宾语、表语、同位语、定语、状语 可以由词、短语或者句子来充当。 • 用一个完整的句子来充当另一个句子的某 个成分时，构成相应的从句。
That the seas are being overfished has been known for years. 海洋正在被人们过度捕捞，许多年以来这 已是人尽皆知的。
That the seas are being overfished has been known for years. 海洋正在被人们过度捕捞，许多年以来这 已是人尽皆知的。
It is common knowledge that the whale is not a fish. 鲸鱼不是鱼类，这是一个常识。
Hale Waihona Puke Baidu
It is a shame that you did not pass the test. 你没通过这次考试真遗憾。
一般疑问句作主语
• 需要先将疑问句的倒装语序变成陈述句语 序，并在句首加上whether来引导，以保留 原句的疑问意义。
It has been known for years that the seas are being overfished.
That the plates are moving is not beyond dispute. 地球板块是在漂移的，这一点并非毫无争 议。
That the plates are moving is not beyond dispute. 地球板块是在漂移的，这一点并非毫无争 议。
It is not beyond dispute that the plates are moving.
That he doesn’t understand English is obvious. 很显然，他不懂英语。
That he doesn’t understand English is obvious. 很显然，他不懂英语。
Something which seems valuable at first may turn out to be worthless. Example: “All that glitter is not gold!” Just because something appears valuable does not mean that it really is valuable.
• ________ is true. (What did he tell you?) • ________ is still a mystery. (Why did they refuse to cooperate with us?) • ________ is a secret. (Why did they leave the country?) • ________ is none of your business. (Where did she go?)
Just because someone doesn’t love you the way you want them to doesn’t mean they don’t love you with all they have.
如果有人没有以你希望的方式去爱你，并不 意味着他们没有全身心地爱你。
陈述句作主语
• 需要在陈述句首加that • That在从句中既不作成分，也没有实义
That English is important is an undoubted fact. 英语很重要，这是毋庸置疑的事实。
That the seas are being overfished has been known for years. 海洋正在被人们过度捕捞，许多年以来这已是人 尽皆知的。 That the plates are moving is not beyond dispute. 地球板块是在漂移的，这一点并非毫无争议。
It is obvious that he doesn’t understand English.
That the world is round is a fact. 地球是圆的，这是一个事实。
That the world is round is a fact. 地球是圆的，这是一个事实。 It is a fact that the world is round.
The book is interesting. 这本书很有趣。 What I am reading is interesting. 我在看的这本书很有趣。
三种句子充当主语
• 陈述句 （用that引导） • 一般疑问句 （用whether引导） • 特殊疑问句 （用when, where, why, how, who, whom, what, which, whose等引导）
Whether he will come to my party makes no difference to me. 他来不来参加我的聚会对我来说无所谓。
特殊疑问句作主语
• 需要先将疑问句的倒装语序变成陈述句语 序。 Why dinosaurs became extinct is still a mystery. Why did dinosaurs become extinct is still a mystery. 恐龙为什么会灭绝目前还是个未解之谜。
• 3，动名词或不定式短语作主语。
Learning English is fun. 学英文很有趣。
To marry her is my dream. 娶她是我的梦想。
• 4，名词性从句作主语
That he doesn’t study makes me angry. 他不学习，这让我很生气。
主语从句
主语的类别
• 1，名词作主语 如table，chair，child，beauty，John，China等。 The child studies hard. 这孩子很用功。 Shanghai is a big city. 上海是大都市。
• 2，代词作主语 如he, she, I, they, you, we等 These children are really good. They study hard. 这些孩子真好。他们很用功。 I like Mary. She is a kind girl. 我喜欢玛丽。她是善良的女孩。
That the moon itself does not give off light is common knowledge. 月球本身不发光是一个基本常识。
That the moon itself does not give off light is common knowledge. 月球本身不发光是一个基本常识。