高考英语主语从句讲解课件(共36张PPT)
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高中英语主语从句讲解课件(36张ppt)
+(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 + be +过去分词+从句
4.The reason why I study hard is that I want to go to a
key university. 表语从句
5.They believe in that she must still be single. 6.I know nothing about him except that he is living in
找出错误，并给出理由： 1.Where shall we spend the holiday isn’t
decided. we shall 2.You have made a mistake is a fact.
That you have 3. If the policeman will come is not certain.
Beijing 7. I don’t know whether he’s free or not. 8. Mary asked whether I was doing my homework or not. 9. I’m thinking of whether we should go fishing. 10. We are worried about whether it will rain tomorrow.
killed in the accident.
*_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 + be +过去分词+从句
4.The reason why I study hard is that I want to go to a
key university. 表语从句
5.They believe in that she must still be single. 6.I know nothing about him except that he is living in
找出错误，并给出理由： 1.Where shall we spend the holiday isn’t
decided. we shall 2.You have made a mistake is a fact.
That you have 3. If the policeman will come is not certain.
Beijing 7. I don’t know whether he’s free or not. 8. Mary asked whether I was doing my homework or not. 9. I’m thinking of whether we should go fishing. 10. We are worried about whether it will rain tomorrow.
killed in the accident.
高中英语主语从句讲解课件(共36张PPT)
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
(四). 判断以下句子是否正确： They should like each other is natural. 错误
That they like each other is natural. 正确
It is natural that they like each other. 正确
That引导的主语从句放句首，既不充当成分又无意义， 但that不能省去。
名词性从句包括： 宾语从句：介宾结构；动宾结构 表语从句：系表结构(系动词后面跟一个从句) 主语从句: 一个句子做主语 同位语从句：对名词进行解释说明
判断下列从句： 1.China is no longer what she used to be. 2.The question remains whether they will be able to help us. 3.It seemed as if I couldn't think of the right word.
When they will leave is not decided.
(4). 连接代词：who(谁，主格); whom(谁；宾格); whose(谁的); what(什么…事/话…); which(哪一个); whoever(无论谁), whatever(无论什么), whichever(无论哪一个) 在句子中担任主语， 宾语，表语或定语
这样就构成了下面一些常用句型: 1) It is + n. +从句
(四). 判断以下句子是否正确： They should like each other is natural. 错误
That they like each other is natural. 正确
It is natural that they like each other. 正确
That引导的主语从句放句首，既不充当成分又无意义， 但that不能省去。
名词性从句包括： 宾语从句：介宾结构；动宾结构 表语从句：系表结构(系动词后面跟一个从句) 主语从句: 一个句子做主语 同位语从句：对名词进行解释说明
判断下列从句： 1.China is no longer what she used to be. 2.The question remains whether they will be able to help us. 3.It seemed as if I couldn't think of the right word.
When they will leave is not decided.
(4). 连接代词：who(谁，主格); whom(谁；宾格); whose(谁的); what(什么…事/话…); which(哪一个); whoever(无论谁), whatever(无论什么), whichever(无论哪一个) 在句子中担任主语， 宾语，表语或定语
高中英语主语从句讲析课件可修改全文
2. It is true that the earth moves around the sun.
3. It is a pity that I missed the train.
4. It doesn’t matter whether he will come or not.
5. It seems that it is going to rain.
It’s likely/possible/important/necessary/clear that 很可能/重要的是…/必要的是…/很清楚… It+ be +名词+ that 从句 It’s no wonder that…并不奇怪/无疑
It’s a pity/a fact /a common knowledge (众所周知） / a common saying（俗话说）that It+ be + 不及物动词+ that从句 It seems/appears/happens that…显然、明显、碰巧
matter much.
if, whether都可表示“是否”, 但if不能引 导位于主句之前的主语从句，它可以引导 位于主句之后带有形式主语it的主语从句。
3. TWhhaatt the professor said is of great importance.
that引导主语从句时无词义。What the professor said表示“教授所说的”。
6. It happened that they didn’t know my address.
请你归纳 ？
T——h—a—t —a—s—t—o—r—m——is——c—o—m—i—n—g
is well reported
3. It is a pity that I missed the train.
4. It doesn’t matter whether he will come or not.
5. It seems that it is going to rain.
It’s likely/possible/important/necessary/clear that 很可能/重要的是…/必要的是…/很清楚… It+ be +名词+ that 从句 It’s no wonder that…并不奇怪/无疑
It’s a pity/a fact /a common knowledge (众所周知） / a common saying（俗话说）that It+ be + 不及物动词+ that从句 It seems/appears/happens that…显然、明显、碰巧
matter much.
if, whether都可表示“是否”, 但if不能引 导位于主句之前的主语从句，它可以引导 位于主句之后带有形式主语it的主语从句。
3. TWhhaatt the professor said is of great importance.
that引导主语从句时无词义。What the professor said表示“教授所说的”。
6. It happened that they didn’t know my address.
请你归纳 ？
T——h—a—t —a—s—t—o—r—m——is——c—o—m—i—n—g
is well reported
英语主语从句讲解 ppt课件
主语从 句不能 将if 放 句首
ppt课件 4
what 与that 在引导主语从句时区别
1) What you said yesterday is right.
It is right what you said yesterday. ×
what 充当句子成分，如主语、宾语、表语，
2) That she is still alive is certain.
ppt课件
14
1.I hate ____ when people talk with their mouths full A. it B. that C. these D. them 2. I feel ____ strange that he should be so careless. A. / B. it C. that D. how
ppt课件 17
Exercises
B another power station 1. The news ____ will be built cheered all the villagers. A which B that C what D whatever
A he told us is exciting. 2 The news ____
ppt课件
16
Practice
1. His proposal that we go there on foot is acceptable. 2. Many teachers hold the view that teenagers should not spend too much time online. 3.The first request that he made was to ask for freedom. 4. Do you have any idea where we will be sent? 5. Is this the company where your father works? 6. This is the reason that he gave for his absence. 7. He made an excuse that his car broke down on the way.
ppt课件 4
what 与that 在引导主语从句时区别
1) What you said yesterday is right.
It is right what you said yesterday. ×
what 充当句子成分，如主语、宾语、表语，
2) That she is still alive is certain.
ppt课件
14
1.I hate ____ when people talk with their mouths full A. it B. that C. these D. them 2. I feel ____ strange that he should be so careless. A. / B. it C. that D. how
ppt课件 17
Exercises
B another power station 1. The news ____ will be built cheered all the villagers. A which B that C what D whatever
A he told us is exciting. 2 The news ____
ppt课件
16
Practice
1. His proposal that we go there on foot is acceptable. 2. Many teachers hold the view that teenagers should not spend too much time online. 3.The first request that he made was to ask for freedom. 4. Do you have any idea where we will be sent? 5. Is this the company where your father works? 6. This is the reason that he gave for his absence. 7. He made an excuse that his car broke down on the way.
主语从句公开课PPT课件
主语从句可以包含丰富的信息， 包括时间、地点、条件、原因等
，使表达更加准确具体。
通过主语从句可以精确地描述某 个事件或情况，避免歧义和误解
。
主语从句还可以用来表达复杂的 观点和态度，使文章更具深度和
说服力。
增加文采和感染力
主语从句可以采用多种句式和表达方 式，如倒装句、强调句等，增加文章 的文采和感染力。
连接代词和连接副词引导的主语从句一般放在句首，谓语动词用单数形式。
连接代词what和which在引导主语从句时，有时可以互换使用，但which更强调选 择范围。
主语从句时态、语态和语气
03
问题
时态问题
主语从句时态与主句时态一致
01
主语从句中的动词时态通常与主句中的动词时态保持一致，表
示同时发生的动作或状态。
当主语从句中的主语是表示数量的短语（如a number of, the majority of等）时，谓 语动词的单复数形式取决于短语所修饰的名词。
主语从句中的主语是并列结构时，谓语动词用复数形式
当主语从句中的主语是由and连接的并列结构时，谓语动词用复数形式。
练习题讲解
选择题
通过选择题的形式， 让学生判断主语从句 中主谓一致问题的正
当主语从句中的主语是复数形式时，谓语动词必须与主语保持一致，也用复数形式。
特殊情况处理方法
主语从句中的主语是不定代词时，谓语动词用单数形式
当主语从句中的主语是不定代词（如something, nothing, anyone等）时，谓语动词 用单数形式。
主语从句中的主语是表示数量的短语时，谓语动词用单数或…
主语从句与形式主语的区分
形式主语it代替真正的主语从句，使句子结构更加平衡。需注意形 式主语与真正主语的区分。
高考英语语法-名词性从句之主语从句PPT
2.Why he committed crimes suprised all of us ________________________________________
3.H___o_w____t_h__e___a__n__c__ie__n__t___E__g_y__p__t_i_a__n___b__u__i_l_t__t__h__e___P__y_r__a__m__i_d_ remains a secret.
Attention
when the adjective is advisable（可取的）, desirable（令人满意的）, essential, important,
vital, natural, necessary, probable, possible, strange etc. we use “ should+v.” in the subjective clause.
望，他一刻不停地关注着天下形势，思考着安定天下济苍生一逞抱负的路径。你想，一个小小的“弼马温”，怎么对晋国的历史、对
2.There is essential that these application forms 晋国国君的为人那么清楚，对秦伯的心理、对秦晋之间的恩怨又是如此了然。“老骥伏枥，志在千里”的豪情无疑是后人敬仰他们的
亲《，东化 周为列狼国与志豺》_”里_，说_从他__而“_表须_达发了尽对白国，事佝的偻忧其虑身与，关踌切躇。其步，”以至到了朝堂之上，“左右莫不_含_笑__”_。__
明确：一定要不断挖掘和重视人才，不要等到危机出现后再重用人才。
what that （3）初步了解故事情节，特别注意对烛之武这个中心人物的把握。 people was very friendly. 烛之武也是如此。尽管怀才不遇，但他没有放弃自己的希望。烛之武不是不想做一番事业，他的心始终没有放弃过“一飞冲天”的渴
3.H___o_w____t_h__e___a__n__c__ie__n__t___E__g_y__p__t_i_a__n___b__u__i_l_t__t__h__e___P__y_r__a__m__i_d_ remains a secret.
Attention
when the adjective is advisable（可取的）, desirable（令人满意的）, essential, important,
vital, natural, necessary, probable, possible, strange etc. we use “ should+v.” in the subjective clause.
望，他一刻不停地关注着天下形势，思考着安定天下济苍生一逞抱负的路径。你想，一个小小的“弼马温”，怎么对晋国的历史、对
2.There is essential that these application forms 晋国国君的为人那么清楚，对秦伯的心理、对秦晋之间的恩怨又是如此了然。“老骥伏枥，志在千里”的豪情无疑是后人敬仰他们的
亲《，东化 周为列狼国与志豺》_”里_，说_从他__而“_表须_达发了尽对白国，事佝的偻忧其虑身与，关踌切躇。其步，”以至到了朝堂之上，“左右莫不_含_笑__”_。__
明确：一定要不断挖掘和重视人才，不要等到危机出现后再重用人才。
what that （3）初步了解故事情节，特别注意对烛之武这个中心人物的把握。 people was very friendly. 烛之武也是如此。尽管怀才不遇，但他没有放弃自己的希望。烛之武不是不想做一番事业，他的心始终没有放弃过“一飞冲天”的渴
高考英语语法一轮复习——主语从句(共34张PPT)
It作形式主语
It作形式主语的四种常用句型
• It +be+名词+that从句 • It +be+形容词+that从句 • It +不及物动词+that从句 • It +be+动词的过去分词+that从句
1) It is + n. +从句 It is a pity(遗憾)/ a fact/a surprise that…
Make a sentence
30
Don’t know the answer
teacher angry
It makes the teacher angry that the child doesn’t know the answer.
Listen to the music clip, and find out the subject clauses
• Whether he will come to the meeting is not certain.
• It is not certain if he will come to the meeting.
• It is not certain whether he will come to the meeting.
连接词如何选用？
连接词的选用
1.从句中什么成分都不缺，用 that 2.从句中需要表“是否”的词，用 whether 3.其他，缺什么补什么 如缺“哪一个”的意思，
用 which 主语从句的连接词： • 连接词 that , whether • 连接代词 who(ever), whom(ever),
• 没能击垮你的造就一名勇 士
It作形式主语的四种常用句型
• It +be+名词+that从句 • It +be+形容词+that从句 • It +不及物动词+that从句 • It +be+动词的过去分词+that从句
1) It is + n. +从句 It is a pity(遗憾)/ a fact/a surprise that…
Make a sentence
30
Don’t know the answer
teacher angry
It makes the teacher angry that the child doesn’t know the answer.
Listen to the music clip, and find out the subject clauses
• Whether he will come to the meeting is not certain.
• It is not certain if he will come to the meeting.
• It is not certain whether he will come to the meeting.
连接词如何选用？
连接词的选用
1.从句中什么成分都不缺，用 that 2.从句中需要表“是否”的词，用 whether 3.其他，缺什么补什么 如缺“哪一个”的意思，
用 which 主语从句的连接词： • 连接词 that , whether • 连接代词 who(ever), whom(ever),
• 没能击垮你的造就一名勇 士
主语从句超全ppt课件
第二讲：主语从句的引导词及各 类主语从句
主语从句在复合句中作句子的主语。 引导主语从句的词有从属连词that, whether, if；连接代词who, whoever, whom, what, whatever, whose, which； 连接副词when, where, how, why等。
surprise/no wonder难怪/good news/a good thing/a question /that… …是事实
It is common knowledge that… …是常识
*_It__is__a__p_it_y__th__a_t_(很遗憾)we lost the match.
句子
简单句 复合句
并列句
形容词性从句 名词性从句 副词性从句
定语从句
主语从句 subject clause
宾语从句 object clause
表语从句 predicative clause
同位语从句 appositive clause
比较状语从句 地点状语从句 时间状语从句 让步状语从句 条件状语从句 目的状语从句 方式状语从句 结果状语从句 原因状语从句
*____I_t _is_r_e_p_o_rt_ed__th_a_t_(据报道)20 people were killed in the accident.
*___It_i_s_s_u_g_g_es_t_e_d_th_a_t__(建议)we should eat more vegetable and do more exercise.
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.
高考英语语法主语从句课件
例:(1).When we’ll start tomorrow will be told soon. (2).Where we can buy oxen is something we need to find out. (3).Why he came here is not known. (4).How we can protect the grain from damp needs to be discussed. (5).How many people died from starvation that
It has not been decided where the meeeting is to be held. 在哪里开会还没决 定。 It is sheer luck that the miners are still alive 10 days after. 十天后矿工还活着完全是靠 运气。
插入语
What makes this slump different from the last, he says, is that there are still buyers in the market.
谓语
表语从句
解密句
What makes this slump different from the last, he says, is that there are still buyers in the market.
will be produced next year. (5).Whatever he said was right. (6).Whoever goes there must get ready by 6
o’clock.
3）主语从句中用陈述语序,后面的谓语动词用第三人称单数 4）“what”引导主语从句时，谓语动词：
It has not been decided where the meeeting is to be held. 在哪里开会还没决 定。 It is sheer luck that the miners are still alive 10 days after. 十天后矿工还活着完全是靠 运气。
插入语
What makes this slump different from the last, he says, is that there are still buyers in the market.
谓语
表语从句
解密句
What makes this slump different from the last, he says, is that there are still buyers in the market.
will be produced next year. (5).Whatever he said was right. (6).Whoever goes there must get ready by 6
o’clock.
3）主语从句中用陈述语序,后面的谓语动词用第三人称单数 4）“what”引导主语从句时，谓语动词：
高考英语名词性从句之主语从句精讲(含例题) 课件36张PPT
总结：连接代词引导主语从句的用法
连接代词
1. 作用：连接主句和从句，在从句中充当主语、宾语、表语、定语
2. 分类: 充当主、宾、表：what(ever), who(ever), whom(ever)
充当定语：which(ever), whose
3. 与连接词对比
对比 相同点
连接词
连接代词
都起连接主从句的作用
地点状语：where, wherever 方式状语：how, 原 因 状 语 ： w h y,
时间类关系副词：when, whenever
when 指...的时间，在从句中做时间状语
When the speech contest will be held still needs to be discussed. 演讲比赛举办的时间还需要再讨论。 Whenever you want to come is fine with me. 无论什么时候你想来我都可以。
s方uc式ce状ed语is：cheortwain . frightened her.
在句中充当状语 Why the sun rises in the east is interesting.
原因状语：why
思考：如何选择主语从句连接词？
1. 找到从句标出来 2. 判断从句何类型 3. 判断是否缺成分 4. 判断用何连接词
whether / if 引导主语从句的区别
相同点 1. 都表示“是否” 2. 在从句中没有充当成分 3. 起连接作用 4. 可用it做形式主语，从句放句尾
区别
1. whether引导的主语从句可以放在句首 Whether the plan will be carried out is still unknown.
高考英语语法复习：主语从句课件
插入语
What makes this slump different from the last, he says, is that there are still buyers in the market.
谓语
表语从句
解密句
What makes this slump different from the last, he says, is that there are still buyers in the market.
因为气流关系到编队飞行的效率。
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易混点辨析
It主语与It强调
易混点
it作为形式主语的结构与it引导强调句的区分 it作为形式主语时，主要是为了平衡句子结构，可 按正常语序把后置的真正主语置于句首。 例如：Where the meeting is to be held has not been decided.
2).连接代词: who, whom, whose, what, which, whoever,whatever, whichever
例: (1).It is clear who is afraid of having a change in land ownership.
(2).Whose bag it is can not be told. (3).What India needs is a law to make land ownership fairer. (4).It is not yet decided which cash crop
易混点
it引导的强调句最常见的结构是“it is/was＋强调部 分＋that＋句子其他成分”，强调部分为人时，that 还可以用who替代。注意，it is/was...that...是一个固 定框架，只起强调作用，把这个框架去掉，剩下的 句子表达仍然是完整的，it在句中不充当任何成分 。例如：
高中英语语法-主语从句(共22张PPT)
Whom she borrowed money from still puzzled him. Which side will win is not clear. What she said today was quite right.
7
When he will be back depends on the weather. Where the test will be given is not yet decided. Where and when he was born is a secret. Why he came here is not known. How we can protect the endangered animals
turning white.
√ A. while B. that
C. if
D. for
5._______ he said at the meeting shocked
everybody present.
√A. What B. That C. The fact D. The matter
6._________ we can't get seems better than
9
四、it 可作形式主语
为了使句子保持平衡，避免头重脚轻,经常用 it 作形式 主语,主语从句放在后面作真正的主语. 其结构为：
It + 谓语动词/系动词 + 宾语/表语 + 主语从句. 例如:
That we shall be late is certain. = It is certain that we shall be late. 1. That the earth is round is known to all. = It is known to all that the earth is round. 2. whether they would support us was a problem . = It was a problem whether they would support10us.
7
When he will be back depends on the weather. Where the test will be given is not yet decided. Where and when he was born is a secret. Why he came here is not known. How we can protect the endangered animals
turning white.
√ A. while B. that
C. if
D. for
5._______ he said at the meeting shocked
everybody present.
√A. What B. That C. The fact D. The matter
6._________ we can't get seems better than
9
四、it 可作形式主语
为了使句子保持平衡，避免头重脚轻,经常用 it 作形式 主语,主语从句放在后面作真正的主语. 其结构为：
It + 谓语动词/系动词 + 宾语/表语 + 主语从句. 例如:
That we shall be late is certain. = It is certain that we shall be late. 1. That the earth is round is known to all. = It is known to all that the earth is round. 2. whether they would support us was a problem . = It was a problem whether they would support10us.
高中英语语法 主语从句(24张PPT)
2.Try to find as many sentences like the following examples as possible!
3.If your group finish the task, please put up your hand and one member should tell us all the sentences your group have found.
Student A: Tom, tomorrow is your birthday. Who do you invite? Students B: I will welcome everyone who comes to my party.
_W__h_o_e_v_e_r_c_o_m_e_s___will be welcome.
What is subject clause?
主语从句三要素
How he became a great scientist is known to us all. Is what you told me really true?
不谓从 能语句 省动用 略词陈 关用述 联单语 词数序
Notice: What we need most are books.
有人建议…
(4)It must be pointed out that … 必须指出…
Try your luck!
Choose the pictures and finish the exercise with your group!
Group work
Finish ex.2 in Discovering useful structures.
从句。
(1) It is +形容词/名词+ that 从句，如：
3.If your group finish the task, please put up your hand and one member should tell us all the sentences your group have found.
Student A: Tom, tomorrow is your birthday. Who do you invite? Students B: I will welcome everyone who comes to my party.
_W__h_o_e_v_e_r_c_o_m_e_s___will be welcome.
What is subject clause?
主语从句三要素
How he became a great scientist is known to us all. Is what you told me really true?
不谓从 能语句 省动用 略词陈 关用述 联单语 词数序
Notice: What we need most are books.
有人建议…
(4)It must be pointed out that … 必须指出…
Try your luck!
Choose the pictures and finish the exercise with your group!
Group work
Finish ex.2 in Discovering useful structures.
从句。
(1) It is +形容词/名词+ that 从句，如：
高三一轮复习主语从句(38张PPT)
•9、要学生做的事，教职员躬亲共做；要学生学的知识，教职员躬亲共学；要学生守的规则，教职员躬亲共守。2021/8/272021/8/27Friday, August 27, 2021 •10、阅读一切好书如同和过去最杰出的人谈话。2021/8/272021/8/272021/8/278/27/2021 10:50:02 PM •11、只有让学生不把全部时间都用在学习上，而留下许多自由支配的时间，他才能顺利地学习……（这）是教育过程的逻辑。2021/8/272021/8/272021/8/27Aug-2127-Aug-21 •12、要记住，你不仅是教课的教师，也是学生的教育者，生活的导师和道德的引路人。2021/8/272021/8/272021/8/27Friday, August 27, 2021
hard work. toadsothe subject.
How to do well is apnhirmaspeortant question.
What has happened proves that our policy
is right. sentence
subject clause
(
)(
【要点精讲】 1. what与that引导主语从句
观察下列例句，试着翻译例句并总结 其规律。
(1) What you lack is self-confidence. 译为：你__所__缺__乏__的__是___自__信__。________
(2) That more and more students are
3. 其它引导词 连接代词who, which, whom, whose
有各自的具体意义，起连接作用，同时 在从句中充当主语、宾语、表语、定语 等；whoever, whatever, whichever在意 义上更为强调，常译为“无论……”；连 接副词when, where, why, how等也有各 自的意义，起连接作用，并在从句中作 状语。
主语从句讲解+课件-2025届高三英语上学期一轮复习专项
练习
• 11. _______ they are planning to move to a new city is a possibility. • 12. _______ he passed the exam with flying colors pleased his parents. • 13. _______ you are late for school again is unacceptable. • 14. _______ the economy will recover next year is still uncertain. • 15. _______ she will accept the job offer is uncertain at the moment.
4. 必须用 it 作形式主语的主语从句
• 当主语从句较长或者结构较为复杂时，为了避免句子显得头重脚轻，通常使
用 it 作为形式主语，而将从句放在句子的后半部分。
• - It is clear that he has made a mistake. • - It is uncertain whether they will arrive on time. • - It is important that you should study hard. （你努力学习是很重要的。） • - It is unknown whether he will accept the job offer. （他是否会接受这份工作邀
答案
• 11. That they are planning to move • 12. That he passed the exam • 13. That you are late for school • 14. Whether the economy will recover • 15. Whether she will accept the job offer
主语从句PPTPPT课件.ppt
注意： (1)从句作主语谓语动词常用单数，但如果 what 引导的从句作主语，后跟名词作表语 时，谓语动词则由表语名词的数量决定。 What he told me is true. 他告诉我的是真的。 What he saw were some new comers. 他看见的是些新来的人。
(2)It is said that sb.do sth.的复合句形式可转化为简单句sb.be said to do sth.， 而且在简单句中常考查 to do 的具体形式。 (3)it 引导的强调句与 it 作形式主语的复合句的区别。 it 引导的强调句是用来对句中除谓语外某一成分加以强调，其结构为“It is/was＋ 被强调部分＋that/who...”。如果被强调的主语是“人”，则可用 who 或 that， 如果被强调的部分是其他成分时，必须用 that。 It was I that/who met John in the street yesterday. 是我昨天在街上遇到了约翰。(强调主语) It is a pity that you didn't go to see the film. 你没去看电影很可惜.ppt
演讲人
1．主语从句位于句首。 Who kept the door open all night was unknown. 不知道是谁让门整晚开着。 2．主语从句位于句尾，使用it作形式主语。 it作形式主语置于句首的结构 (1)“It＋be＋形容词＋that clause”结构，常用于这种句型的形容词有： fortunate，possible，(un)likely，strange，probable，true，certain等。 It is strange that no one wants to go there. 真奇怪，竟然没有人想要去那里。
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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.
4) It +不及物动词+从句
It happened that...
宾语从句
(1). 连接词：that 在句子中不充当任何成分，无意义， 不可省略
That he will win is certain. That he got the first prize made his parents very happy. That China has become strong is certain. That they love each other is obvious. That he played computer games into night made his parents disappointed.
名词性从句包括： 宾语从句：介宾结构；动宾结构 表语从句：系表结构(系动词后面跟一个从句) 主语从句: 一个句子做主语 同位语从句：对名词进行解释说明
判断下列从句： 1.China is no longer what she used to be. 2.The question remains whether they will be able to help us. 3.It seemed as if I couldn't think of the right word.
碰巧……
It occurred to me that…我突然想起…
__It_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
(四). 判断以下句子是否正确： They should like each other is natural. 错误
That they like each other is natural. 正确
It is natural that they like each other. 正确
That引导的主语从句放句首，既不充当成分又无意义， 但that不能省去。
Who will host the meeting hasn’t been decided yet.
Which plan is better should be discussed.
Whoever comes to China is welcome.
Whatever you do in your spare time should do no harm to others.
the letter.
5) It + 及物动词+宾语+that从句 It worried her a bit that her hair was turning grey. It shocked me that he didn’t tell anybody where he was.
主语从句中应注意的问题
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
(3). 连接副词 when(时间), where(哪里), why(为什么), how(怎么；如何)有词义，在从句中担任状语。
Why Chen Lin committed suicide has not been clear yet. How this happened is not clear to anyone. Where he found the treasure remains a mystery. When we will hold the graduation ceremony has not been decided yet.
(三) if/wheter 在主语从句中的用法
If the meeting will be put off has not been decided yet.
Whether the meeting will be put off has not been decided yet.
注意：whether 可以引导主语从句可以放在句首， 但if不能
4.The reason why I study hard is that I want to go to a
key university. 表语从句
5.They believe in that she must still be single. 6.I know nothing about him except that he is living in
8. Who he is and where he is from is
important.are来自9.What he saw is the stars in the sky.
are
Exercises :
Part One: 主语从句单选题
1. D has helped to save the drowning girl is worth praising.
A.Who B.The one C.Anyone D.Whoever
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
+(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 + be +过去分词+从句
*__It_i_s_a__f_a_c_t _th_a_t_(这是事实)he cheated in the exam.
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…
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.
找出错误，并给出理由： 1.Where shall we spend the holiday isn’t
decided. we shall 2.You have made a mistake is a fact.
That you have 3. If the policeman will come is not certain.
Beijing 7. I don’t know whether he’s free or not. 8. Mary asked whether I was doing my homework or not. 9. I’m thinking of whether we should go fishing. 10. We are worried about whether it will rain tomorrow.
Whether
4. That is certain that we can win. It
5. It is ordered we should leave at
once.
that
6. Where he comes from are a
mystery.
is
x
7. What whether he likes the job is not clear.
(2). 连接词 whether 在句中不充当成分，意为“是否”
Whether we go by train or by boat makes no difference. Whether life exists on other planets is not clear. Whether he’ll come here isn’t clear. Whether the old bus station should be replaced with a modern hotel or not is under discussion.
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……
*__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.
4) It +不及物动词+从句
It happened that...
宾语从句
(1). 连接词：that 在句子中不充当任何成分，无意义， 不可省略
That he will win is certain. That he got the first prize made his parents very happy. That China has become strong is certain. That they love each other is obvious. That he played computer games into night made his parents disappointed.
名词性从句包括： 宾语从句：介宾结构；动宾结构 表语从句：系表结构(系动词后面跟一个从句) 主语从句: 一个句子做主语 同位语从句：对名词进行解释说明
判断下列从句： 1.China is no longer what she used to be. 2.The question remains whether they will be able to help us. 3.It seemed as if I couldn't think of the right word.
碰巧……
It occurred to me that…我突然想起…
__It_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
(四). 判断以下句子是否正确： They should like each other is natural. 错误
That they like each other is natural. 正确
It is natural that they like each other. 正确
That引导的主语从句放句首，既不充当成分又无意义， 但that不能省去。
Who will host the meeting hasn’t been decided yet.
Which plan is better should be discussed.
Whoever comes to China is welcome.
Whatever you do in your spare time should do no harm to others.
the letter.
5) It + 及物动词+宾语+that从句 It worried her a bit that her hair was turning grey. It shocked me that he didn’t tell anybody where he was.
主语从句中应注意的问题
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
(3). 连接副词 when(时间), where(哪里), why(为什么), how(怎么；如何)有词义，在从句中担任状语。
Why Chen Lin committed suicide has not been clear yet. How this happened is not clear to anyone. Where he found the treasure remains a mystery. When we will hold the graduation ceremony has not been decided yet.
(三) if/wheter 在主语从句中的用法
If the meeting will be put off has not been decided yet.
Whether the meeting will be put off has not been decided yet.
注意：whether 可以引导主语从句可以放在句首， 但if不能
4.The reason why I study hard is that I want to go to a
key university. 表语从句
5.They believe in that she must still be single. 6.I know nothing about him except that he is living in
8. Who he is and where he is from is
important.are来自9.What he saw is the stars in the sky.
are
Exercises :
Part One: 主语从句单选题
1. D has helped to save the drowning girl is worth praising.
A.Who B.The one C.Anyone D.Whoever
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
+(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 + be +过去分词+从句
*__It_i_s_a__f_a_c_t _th_a_t_(这是事实)he cheated in the exam.
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…
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.
找出错误，并给出理由： 1.Where shall we spend the holiday isn’t
decided. we shall 2.You have made a mistake is a fact.
That you have 3. If the policeman will come is not certain.
Beijing 7. I don’t know whether he’s free or not. 8. Mary asked whether I was doing my homework or not. 9. I’m thinking of whether we should go fishing. 10. We are worried about whether it will rain tomorrow.
Whether
4. That is certain that we can win. It
5. It is ordered we should leave at
once.
that
6. Where he comes from are a
mystery.
is
x
7. What whether he likes the job is not clear.
(2). 连接词 whether 在句中不充当成分，意为“是否”
Whether we go by train or by boat makes no difference. Whether life exists on other planets is not clear. Whether he’ll come here isn’t clear. Whether the old bus station should be replaced with a modern hotel or not is under discussion.
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……