主语从句讲解加练习ppt课件
合集下载
相关主题
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
*__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.
6
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… +(should) +do…
It is impossible that he will refuse this piece of advice. 2.That they should like each other is natural.
It is natural that they should like each other.
8
4) It + be +过去分词+从句
It is said that...
Baidu Nhomakorabea
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……
*_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.
7
3) It +不及物动词+从句
A sentence serving as subject is called Subject Clause.
2
主语从句：
做主语用的名词性从句，因其在复合句中做主 语，又称主语从句.
How the book will sell depends on its author. That he is the best student in the class is obvious.
Grammar
1
Grammar
Which part serves as subject in each sentence?
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.
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 sent the letter.
That he will win is certain.他肯定会赢。 Whether he’ll come here isn’t clear. 他是否会来这里还不清楚。
4
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”*it为形式主语
而把从句放在后面。 例如:
1. That he will refuse this piece of advice is impossible.
10
注意事项
1.主语从句位于句首时必须由连接词引导。 2. 主语从句位于句末时引导词that可省略。 3. 主语从句位于句首时,不能用if引导。 4.主语从句位于句末时, 可以用if引导。
11
注意:
1）主语从句在句首时，必须由连接词引 导，不能省略这些连接词；但是如果用it 做形式主语，而把主语从句放在句末时， 从属连词that可以省略。
误：They should like each other is natural. 正：That they should like each other is
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__re_p__o_r_te__d_t_h_a_t__(据报道)20 people were
从属连词: that, whether； 连接代词: who (whoever), whom, whose, what (whatever) which (whichever)； 连接副词: when, where, how ,why。
3
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。
killed in the accident.
*__It__is__s_u_g_g__e_s_t_e_d__th_a__t __(建议)we should eat
more vegetable and do more exercise. 9
小结：
主语从句可以放在前面也可以放在后面。 用it作形式主语,把主语从句放在句末。
5
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_i_s_a__f_a_c_t _th_a_t_(这是事实)he cheated in the exam.
6
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… +(should) +do…
It is impossible that he will refuse this piece of advice. 2.That they should like each other is natural.
It is natural that they should like each other.
8
4) It + be +过去分词+从句
It is said that...
Baidu Nhomakorabea
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……
*_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.
7
3) It +不及物动词+从句
A sentence serving as subject is called Subject Clause.
2
主语从句：
做主语用的名词性从句，因其在复合句中做主 语，又称主语从句.
How the book will sell depends on its author. That he is the best student in the class is obvious.
Grammar
1
Grammar
Which part serves as subject in each sentence?
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.
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 sent the letter.
That he will win is certain.他肯定会赢。 Whether he’ll come here isn’t clear. 他是否会来这里还不清楚。
4
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”*it为形式主语
而把从句放在后面。 例如:
1. That he will refuse this piece of advice is impossible.
10
注意事项
1.主语从句位于句首时必须由连接词引导。 2. 主语从句位于句末时引导词that可省略。 3. 主语从句位于句首时,不能用if引导。 4.主语从句位于句末时, 可以用if引导。
11
注意:
1）主语从句在句首时，必须由连接词引 导，不能省略这些连接词；但是如果用it 做形式主语，而把主语从句放在句末时， 从属连词that可以省略。
误：They should like each other is natural. 正：That they should like each other is
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__re_p__o_r_te__d_t_h_a_t__(据报道)20 people were
从属连词: that, whether； 连接代词: who (whoever), whom, whose, what (whatever) which (whichever)； 连接副词: when, where, how ,why。
3
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。
killed in the accident.
*__It__is__s_u_g_g__e_s_t_e_d__th_a__t __(建议)we should eat
more vegetable and do more exercise. 9
小结：
主语从句可以放在前面也可以放在后面。 用it作形式主语,把主语从句放在句末。
5
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