高中英语 主语从句
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be+ done
这样就构成了下面一些常用句型:
1) It is + n. +从句
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 is known to all that the earth is round.
由连词 whether 和 if, 连接代词 what,who,which 和连接副词 when,where,why,how 等引导.也 常常后置:
基本结构： be+ 表语
it+ 不及物动词 + that/whether/wh-引导的主语从句
2) It is + adj. +从句 It’s certain that…
肯定…
It is possible that... 很可能……
It is unlikely that...
不可能……
It is obvious that… 很明显…
It is necessary \important \natural\... that…
我们所需要的就是更多的练习。
4)When we will begin the meeting is under discussion.
*我们将何时开始会议还在讨论当中。
2. 形式主语句型
为了避免主语冗长,句子头重脚轻,经常用_it_作形式主语, 主语从句放在后面作真正的主语.例:
1. That the earth is round is known to all.
+(should) +do…
*_I_t_i_s_p_o_s_s_i_b_le__th__a_t _(很可能)she will come back tomorrow. *__It_i_s_o__b_v_io_u_s__th__a_t _(很明显)this measure is
effective.
3) It +不及物动词+从句 It happened that...
碰巧……
It occurred to me that… 我突然想起…
*_I_t_h_a_p_p_e_n_e_d__t_h_a_t_(刚好)I came into the office at that time.
*_I_t _o_c_c_u_r_re_d__t_o_m__e_t_h_a_t_(我突然想起)I forget to send the letter.
It must be admitted that…
必须承认……
It cannot be denied that…
不可否认……
It must be pointed out that…
需指出的是……
*_I_t_i_s__r_e_p_o__r_te__d__th__a_t(据报道)20 people were
4) It + be +过去分词+从句
It is said that...
据说……
It is known to all that...
众所周知……
It is reported that...
据报道……
It is believed that...
据信……;人们相信……
It is suggested that + (should）do... 建议……
Subject Clauses 主语从句
1. 基本结构/连接词 / 2. 形式主语句型
3. 主语从句的主谓一致 4. 主语从句的虚拟语气
1. 基本结构/连接词 /
主语从句: 就是在复合句中充当主语的名词性从句。
连接词： that, whether
连接代词： Whose,
who ,whom what, which
＋陈述句
＋谓语＋其他
连接副词： when, why
where来自百度文库 how
1)That she left him hurts him so much.
*她离开了他这事让他很受伤。
2)Whether it will rain tomorrow is not easy to say
*明天是否会下雨很难说。
3) What we need is more practice.
It’s no wonder that…
并不奇怪/难怪…
It’s a common saying….
（俗话说）
*__It_i_s_a__p_i_ty__th_a_t__(很遗憾)we lost the match.
*__It_i_s_a__f_a_c_t _th_a_t_(这是事实)he cheated in the exam.
killed in the accident.
*__It__is__s_u__g_g__e_s_t_e_d__t_h_a_t_(建议)we should eat
more vegetable and do more exercise.
3. 主语从句的主谓一致
• 注意：主语从句中 ，谓语动词一般用单数
• When we’ll leave for BJ __is___ under discussion
• What引导的主语从句，可根据表语决定 • What he needs _is____that book. • What he needs _a_re___some books.
这样就构成了下面一些常用句型:
1) It is + n. +从句
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 is known to all that the earth is round.
由连词 whether 和 if, 连接代词 what,who,which 和连接副词 when,where,why,how 等引导.也 常常后置:
基本结构： be+ 表语
it+ 不及物动词 + that/whether/wh-引导的主语从句
2) It is + adj. +从句 It’s certain that…
肯定…
It is possible that... 很可能……
It is unlikely that...
不可能……
It is obvious that… 很明显…
It is necessary \important \natural\... that…
我们所需要的就是更多的练习。
4)When we will begin the meeting is under discussion.
*我们将何时开始会议还在讨论当中。
2. 形式主语句型
为了避免主语冗长,句子头重脚轻,经常用_it_作形式主语, 主语从句放在后面作真正的主语.例:
1. That the earth is round is known to all.
+(should) +do…
*_I_t_i_s_p_o_s_s_i_b_le__th__a_t _(很可能)she will come back tomorrow. *__It_i_s_o__b_v_io_u_s__th__a_t _(很明显)this measure is
effective.
3) It +不及物动词+从句 It happened that...
碰巧……
It occurred to me that… 我突然想起…
*_I_t_h_a_p_p_e_n_e_d__t_h_a_t_(刚好)I came into the office at that time.
*_I_t _o_c_c_u_r_re_d__t_o_m__e_t_h_a_t_(我突然想起)I forget to send the letter.
It must be admitted that…
必须承认……
It cannot be denied that…
不可否认……
It must be pointed out that…
需指出的是……
*_I_t_i_s__r_e_p_o__r_te__d__th__a_t(据报道)20 people were
4) It + be +过去分词+从句
It is said that...
据说……
It is known to all that...
众所周知……
It is reported that...
据报道……
It is believed that...
据信……;人们相信……
It is suggested that + (should）do... 建议……
Subject Clauses 主语从句
1. 基本结构/连接词 / 2. 形式主语句型
3. 主语从句的主谓一致 4. 主语从句的虚拟语气
1. 基本结构/连接词 /
主语从句: 就是在复合句中充当主语的名词性从句。
连接词： that, whether
连接代词： Whose,
who ,whom what, which
＋陈述句
＋谓语＋其他
连接副词： when, why
where来自百度文库 how
1)That she left him hurts him so much.
*她离开了他这事让他很受伤。
2)Whether it will rain tomorrow is not easy to say
*明天是否会下雨很难说。
3) What we need is more practice.
It’s no wonder that…
并不奇怪/难怪…
It’s a common saying….
（俗话说）
*__It_i_s_a__p_i_ty__th_a_t__(很遗憾)we lost the match.
*__It_i_s_a__f_a_c_t _th_a_t_(这是事实)he cheated in the exam.
killed in the accident.
*__It__is__s_u__g_g__e_s_t_e_d__t_h_a_t_(建议)we should eat
more vegetable and do more exercise.
3. 主语从句的主谓一致
• 注意：主语从句中 ，谓语动词一般用单数
• When we’ll leave for BJ __is___ under discussion
• What引导的主语从句，可根据表语决定 • What he needs _is____that book. • What he needs _a_re___some books.