英语主语从句精品PPT课件

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*__It_i_s_a__f_a_c_t _th_a_t_(这是事实)he cheated in the exam.
主语从句
I want to know what he has told you.
宾语从句
The fact is that we have lost the game.
表语从句
The news that we won the game is exciting.
同位语从句
Noun Clauses (名词性从句)
*it为形式主语
2.That they should like each other is natural. _I_t _is__n_a_tu__ra_l_t_h_a_t_t_h_e_y_s_h_o_u__ld__li_k_e_e_a_c_h__o_th__er.
这样就构成了下面一些常用句型: 1) It is + n. +从句
Where we grow up is full of wind. eg: A lovely desk mate is 百度文库eeded by me.
Who I need is lovely.
主语从句
定义: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。
5. Spring festival 主+谓+宾+宾补 made me fat. (S+Vt+O+C)
名词性从句的作用相当于名词,因此主语从 句、表语从句 、宾语从句和同位语从句分别 作主句的主语、表语、宾语和同位语。
Who will win the match is still unknown.
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)
Grammar
Subject(主语)
1. You are a student. 2. Smoking is bad for you. 3. To find your way can be a problem. 4. “How do you do?” is a greeting. 5 .What she said is not yet known. 6. That we shall be late is certain. 7. It is certain that we shall be late.
If ×
Whether the solid shape would last or not wa.s not clear.
if It was not clear whether the solid shape
would last or not.
Real Subject
Formed Subject
Subject Clause
三 简单句的五种基本类型
1.I slept.
主+谓 (S+Vi )
2. I ate dishes. 主+谓+宾 (S+Vt+O) 3. I was happy. 主+系+表 (S+link-V+P)
4. Parents gave me 主+谓+间宾+直宾 pocket money. (S+Vt+IO+O)
引导主语从句在句首只能用whether, Conclusion: 有it作形式主语的whether/if都可以.
1.___ he made an important speech at the meeting was true.
2. ___we’ll go camping tomorrow depends on the weather .
主语从句的引导词:
连词
that , whether
连接代词 who(ever), whom(ever),
which(ever), what(ever)
连接副词 where ,when ,why ,how
1)从属连词:that, whether等. that 引导主语从句只起引导作用,本身无实 际意义,在主语从句中不充当任何成分,但 不能省略。
That people cut down too many trees destroyed the balance of nature.
Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.
3.___ is known to us all that America is a developed country .
注意: 由that 引导的主语从句有时为了使句
子结构平衡, 避免 “头重脚轻”, 常用 it 作形式
主语, 而把从句放在后面。 例如:
1. That he will refuse this piece of advice is impossible. __I_t _is__im__p_o_s_s_i_b_le__th_a_t_h__e_w_i_ll_r_e_f_u_s_e_t_h_i_s_p_i_e_c_e __o_f_a_d_v_i_c_e_._____________________________
A sentence served as subject is called
Subject Clause.
一. 句子转化 eg: The news makes me laugh.
That he failed the test makes me laugh. eg: My hometown is full of wind.
It is a pity/shame that... 遗憾的是…… It is a surprise that…令人惊奇的是… It is a fact that… …是事实 It is common knowledge that… …是常识
*__It_i_s_a__p_i_ty__th_a_t__(很遗憾)we lost the match.
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