高中英语主语从句讲解课件(36张ppt)
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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
主语从句讲解ppt课件
表语
What is even more important is that as the earth cooled down, water began to appear on its surface.
主语
What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acid into the oceans and seas.
Subject Clauses 主语从句
定义： 用作主语的从句叫主语从句,它是名词性从句之一.
1
What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.
3
The earth became so violent that it was not clear whether the shape would last or not.
It was not immediately obvious that water was to be fundamental to the development of life.
We don’t know
or not .
Whether he is coming is not known.
What does he want to
tell us?
We don’t know what he wants to tell us.
What is even more important is that as the earth cooled down, water began to appear on its surface.
主语
What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acid into the oceans and seas.
Subject Clauses 主语从句
定义： 用作主语的从句叫主语从句,它是名词性从句之一.
1
What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.
3
The earth became so violent that it was not clear whether the shape would last or not.
It was not immediately obvious that water was to be fundamental to the development of life.
We don’t know
or not .
Whether he is coming is not known.
What does he want to
tell us?
We don’t know what he wants to tell us.
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.
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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
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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。
主语从句优秀PPT课件
What在此引导主语从句,又做said的宾语
2) That she is still alive is a consolation.
That 只起连接作用,不做成分
CHENLI
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practice
CHENLI
15
改错练习
1.Where shall we spend the holiday isn’t decided. we shall
D．for 20
1. _____ made the school proud was______ more than 90％ of the students had been admitted to key universities.
A. What; because B. What ; that
C. That ; what D. That ; because
2.That he will come and help us is certain. 3.Whether we will succeed is still a
question. 4.It is not known if he will come.
注意: 已确定的事由that引导;
没决定的事由whether引导.
定义： 用作主语的从句叫主语从句，它是名
词性从句之一。引导主语从句的连接词有：
连词that, whether；连接代词who, what和which；连接副词when, where, how和why。
CHENLI
4
主语从句的连接词
1.连 词 that(无词义 , 不作成分 , 不 能 省 略);whether(是否),if不能位于句首。
insisted/required 中, that从句的谓语也
高中英语主语从句讲析课件
▪ Whether we will go for an outing tomorrow remains unknown. ▪ Who will be our monitor hasn't been decided yet. ▪ Whom we must study for is a question of great importance. ▪ What caused the accident remains unknown. ▪ Whatever you did is right. ▪ Whom the watch belongs to is unknown. ▪ What we need are good doctors.
Could you tell me how I can get there? She is the girl who is very beautiful. What she said is amazing.
请找出下面句子的主语
1. T—h—e—v—il—la—g—er—s didn't realize how serious the pollution was until the fish in the river died.
told.
(3)._W__h__a_t____ India needs is a law
to make land ownership fairer.
(4).It is not yet decided w__h__i_c_h__cash
crop will be produced next year.
【归纳总结】
在复合句中充当_______成分的句子叫做主语 从句。 （1）引导主语从句的词有 ______________________________ （2）主语从句必须有引导词，位于 _____________，（能否省略）_________ （3）主语从句大多数情况下视为 ____________(单数/复数)，但也有例外， （4）主语句用从_______________语序。(陈 述语序/倒装语序)
主语从句ppt课件
选择题练习
要点一
总结词
理解主语从句的引导词和连接词
要点二
详细描述
提供一系列选择题，让学生根据句子语境和语法规则选择 正确的引导词和连接词，以理解主语从句的构成。
阅读理解练习
总结词
运用主语从句理解文章
详细描述
选取包含主语从句的短文或段落，让学生通 过阅读理解文章大意，并能够根据上下文推 断出主语从句所表达的含义。同时，可以要 求学生自己尝试构造主语从句来表达文章主 题或观点。
主语从句的分类
名词性从句
根据主语从句在句子中的作用和位置，可 以分为三类：名词性从句、形容词性从句 和副词性从句。
如句子“who is the president of the United States？”中的“who”引导的从 句就是名词性从句。
形容词性从句
副词性从句
如句子“what he said was interesting” 中的“what he said”是形容词性从句， 它修饰了形容词“interesting”。
主语从句的构成
01
02
03
主语从句的构成
主语从句由引导词、主语 和谓语构成。
引导词
通常使用what、who、 whose、which等词来引 导主语从句。
例子
句子“what he said is true”中，“what”是引 导词，“he said”是主语 ，“is true”是谓语。
主语从句的分类
过去时态
如果主句使用过去时态，主语从句 也使用过去时态。
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主语从句的特殊用法
先行词在从句中担任的成分
先行词在从句中担任主语
当先行词在从句中担任主语时，从句的结构通常为主语+谓语+其他成分。
主语从句公开课PPT课件
decided.
思考：主语从句有哪些引导词，这些引导词如何选用？
主语从句的引导词：
连词 that , whether
连接代词 who, what, which等 连接副词 where ,when ,why ,how 等
Complete the sentences using what, whether, where,
1. You are a student. 2. Smoking is bad for you. 3. To find your way can be a problem. 4. What she said is not yet known. 5. That we shall be late is certain. 6. It is certain that we shall be late.
4.主语从句的 “that” 一般不能省。
-
12
Let’s have a quiz!
I.选择恰当的连接词
1. T__h_a_t_ you don’t like him is none of my
business.
2.W__h_a_t_ he said at the meeting astonished
∆ 主语从句需注意的问题
1. What you left _a_r_e_(be)only several old books.
2. What you said__i_s_ (be)of great importance.
3. _W__h__e_th__e_r_he’ll come here is not clear.
Sum- up 小结
1.连接词 ：that、whether
无意义
思考：主语从句有哪些引导词，这些引导词如何选用？
主语从句的引导词：
连词 that , whether
连接代词 who, what, which等 连接副词 where ,when ,why ,how 等
Complete the sentences using what, whether, where,
1. You are a student. 2. Smoking is bad for you. 3. To find your way can be a problem. 4. What she said is not yet known. 5. That we shall be late is certain. 6. It is certain that we shall be late.
4.主语从句的 “that” 一般不能省。
-
12
Let’s have a quiz!
I.选择恰当的连接词
1. T__h_a_t_ you don’t like him is none of my
business.
2.W__h_a_t_ he said at the meeting astonished
∆ 主语从句需注意的问题
1. What you left _a_r_e_(be)only several old books.
2. What you said__i_s_ (be)of great importance.
3. _W__h__e_th__e_r_he’ll come here is not clear.
Sum- up 小结
1.连接词 ：that、whether
无意义
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：
英语语法主语从句公开课课件讲解学习ppt
复习回顾本节课所学内容
小组合作完成练习册上的题目
准备下节课的学习内容
课后作业批改与反馈
课后作业批改方 式
错误点汇总及纠 正方法
学生作业完成情 况统计与分析
针对不同层次学 生提供个性化辅 导与建议
感谢观看
汇报人：WPS
理解主语从句的 时态和语序问题
结合实例深入剖 析主语从句的用 法和考点
总结课件亮点
内容丰富，覆盖面广 图文并茂，易懂易记 重点突出，难点突破 互动性强，参与度高
03
语法讲解
主语从句的定义
定义：一个句子作为主语 类型：三种类型：名词性从句，形容词性从句，副词性从句 构成：引导词+句子 注意事项：主谓一致，时态呼应
分析课件结构
课件封面：包含课程标题、讲师姓名等信息 课件目录：列出课程主要内容，方便学生了解课程结构 主语从句讲解：通过图片、表格等形式，形象展示主语从句的构成和用法 练习题：针对主语从句的用法和意义，设置相关练习题，便于学生巩固所学知识
讲解重点难点
理解主语从句的 构成和特点
掌握主语从句的 连接词用法
针对主语从句的省略和倒装进行 练习
添加标题
添加标题
添加标题
添加标题
针对主语从句的时态和语态进行 练习
设计一些与主语从句相关的作文 练习
要求学生背诵并默写主语从句的构成要素和用法说明
背诵主语从句的构成要素 和用法说明
默写主语从句的构成要素 和用法说明
完成相关练习题
掌握主语从句的用法和构 成要素
要求学生用自己的语言简述本节课的主要内容
06
课堂互动
提问与回答问题
老师提出问题，学生回答
学生之间互相提问，回答问题
小组合作完成练习册上的题目
准备下节课的学习内容
课后作业批改与反馈
课后作业批改方 式
错误点汇总及纠 正方法
学生作业完成情 况统计与分析
针对不同层次学 生提供个性化辅 导与建议
感谢观看
汇报人：WPS
理解主语从句的 时态和语序问题
结合实例深入剖 析主语从句的用 法和考点
总结课件亮点
内容丰富，覆盖面广 图文并茂，易懂易记 重点突出，难点突破 互动性强，参与度高
03
语法讲解
主语从句的定义
定义：一个句子作为主语 类型：三种类型：名词性从句，形容词性从句，副词性从句 构成：引导词+句子 注意事项：主谓一致，时态呼应
分析课件结构
课件封面：包含课程标题、讲师姓名等信息 课件目录：列出课程主要内容，方便学生了解课程结构 主语从句讲解：通过图片、表格等形式，形象展示主语从句的构成和用法 练习题：针对主语从句的用法和意义，设置相关练习题，便于学生巩固所学知识
讲解重点难点
理解主语从句的 构成和特点
掌握主语从句的 连接词用法
针对主语从句的省略和倒装进行 练习
添加标题
添加标题
添加标题
添加标题
针对主语从句的时态和语态进行 练习
设计一些与主语从句相关的作文 练习
要求学生背诵并默写主语从句的构成要素和用法说明
背诵主语从句的构成要素 和用法说明
默写主语从句的构成要素 和用法说明
完成相关练习题
掌握主语从句的用法和构 成要素
要求学生用自己的语言简述本节课的主要内容
06
课堂互动
提问与回答问题
老师提出问题，学生回答
学生之间互相提问，回答问题
《主语从句超全》PPT课件
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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。
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2. That Jay Zhou will come to my city excites everybody. 该句中主语从句是 _T_h_a_t_J_a_y__Z_h_o_u__w_i_ll_ _c_o_m_e__to__m_y__c_it_y_，引导词为__th_a_t_。
3. Whether we will travel abroad or not has not been decided. 该句中主语从句是 _W__h_e_t_h_e_r_w__e_w__il_l __ _tr_a_v_e_l_a_b_r_o_a_d__o_r_n_o_t_，引导词为 _w_h__et_h_e_r__。
Noun clauses as the subject
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
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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
It is common knowledge that… …是常识
*_It__is__a__p_it_y__th__a_t_(很遗憾)we lost the match.
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。
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2. That Jay Zhou will come to my city excites everybody. 该句中主语从句是 _T_h_a_t_J_a_y__Z_h_o_u__w_i_ll_ _c_o_m_e__to__m_y__c_it_y_，引导词为__th_a_t_。
3. Whether we will travel abroad or not has not been decided. 该句中主语从句是 _W__h_e_t_h_e_r_w__e_w__il_l __ _tr_a_v_e_l_a_b_r_o_a_d__o_r_n_o_t_，引导词为 _w_h__et_h_e_r__。
Noun clauses as the subject
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
It is common knowledge that… …是常识
*_It__is__a__p_it_y__th__a_t_(很遗憾)we lost the match.
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。
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
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+(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.
*__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...
Grammar
Grammar
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.
(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
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.
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
(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。
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
(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 diC.Anyone D.Whoever
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
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
Whoever breaks the law will be punished.
主语从句能用it做形式上的主语(二)
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:*it为形式主语
1. That he will refuse this piece of advice is impossible. _It_i_s_i_m_p_o_s_s_i_b_l_e_t_h_a_t _h_e_w__il_l _re_f_u_s_e__th_i_s_p_i_e_c_e__ _o_f _a_d_v_ic_e_._______________________________
(一). 语序应是陈述句语序
How he managed to survive in the forest interested everyone present. When he will come is not known. What he needs is an English dictionary.
8. Who he is and where he is from is
important.
are
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.
(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.
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.
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.
(二). 谓语动词的单复数
When we shall hve our sports meeting _h_a_s_(have) not been
*_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.
*__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...
Grammar
Grammar
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.
(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
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.
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
(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。
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
(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 diC.Anyone D.Whoever
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
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
Whoever breaks the law will be punished.
主语从句能用it做形式上的主语(二)
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:*it为形式主语
1. That he will refuse this piece of advice is impossible. _It_i_s_i_m_p_o_s_s_i_b_l_e_t_h_a_t _h_e_w__il_l _re_f_u_s_e__th_i_s_p_i_e_c_e__ _o_f _a_d_v_ic_e_._______________________________
(一). 语序应是陈述句语序
How he managed to survive in the forest interested everyone present. When he will come is not known. What he needs is an English dictionary.
8. Who he is and where he is from is
important.
are
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.
(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.
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.
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.
(二). 谓语动词的单复数
When we shall hve our sports meeting _h_a_s_(have) not been