主语从句课件详解
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高中英语语法——主语从句课件(57张)
whatever=anything that whoever=anyone who
引导词
4) 连接副词when, where, how ,why • When we will leave hasn’t been decided. • How she keeps healthy is a secret.
Whether he will come makes no difference. What we need is more time.
引导词
1) 从属连词that和whether： • That he will come is certain. • Whether he will come is uncertain.
• What we need is more time.
• Which book I shall choose hasn’t been decided.
引导词
3)连接代词whoever, whatever, whichever • Whoever comes is welcome. • Whatever I have is yours. • Whichever you want is yours.
_____ that 只起引导作用，本身无意义，不充当 任何分，但不能省略。 whether 不做成分，表“_______ 是否 ”。 在主语从句中只能用 _________, ___ whether 不能用if
引导词
2) 连接代词who, what, which • Who will go makes no difference.
1. 令人吃惊的是他改变了主意。 It is a surprise that he changed his mind. 2. 真可惜你错过了这么一个好机会。 It is a pity that you missed such a good chance. 3. 事实是我们周围的污染正变得越来越严重。 It is a fact that the pollution around us is becoming more and more serious.
引导词
4) 连接副词when, where, how ,why • When we will leave hasn’t been decided. • How she keeps healthy is a secret.
Whether he will come makes no difference. What we need is more time.
引导词
1) 从属连词that和whether： • That he will come is certain. • Whether he will come is uncertain.
• What we need is more time.
• Which book I shall choose hasn’t been decided.
引导词
3)连接代词whoever, whatever, whichever • Whoever comes is welcome. • Whatever I have is yours. • Whichever you want is yours.
_____ that 只起引导作用，本身无意义，不充当 任何分，但不能省略。 whether 不做成分，表“_______ 是否 ”。 在主语从句中只能用 _________, ___ whether 不能用if
引导词
2) 连接代词who, what, which • Who will go makes no difference.
1. 令人吃惊的是他改变了主意。 It is a surprise that he changed his mind. 2. 真可惜你错过了这么一个好机会。 It is a pity that you missed such a good chance. 3. 事实是我们周围的污染正变得越来越严重。 It is a fact that the pollution around us is becoming more and more serious.
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
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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
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问题
时态问题
主语从句时态与主句时态一致
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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
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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。
主语从句讲解(课堂PPT)
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主语从句连接词小结： 1）从属连词：that， whether.
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。 whether 在主语从句也不从当任何 成分，但意义为“是否”
That the girl left him broke his heart.
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主语从句连接词小结：
3) 连接副词when、where、how、why等。
Why he did it is not reported in the newspaper. When we arrive doesn’t matter. How he became a great scientist is known to us all.
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Language in Use
Read and choose. 读以下句子，选出全部为主语从句的句子，请打√
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1 What he said is not important.
42 It is good news that all of us are invited to the concert.
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课堂小结及提 问：
1，whether 引导主语从句表“是否”，If 可以吗？两者有什么区别？
2，That引导主语从句时不做任何成分，无 词义，但能不能省略？
He can't go abroad with us is a pity. 正：That he can't go abroad with us is a pity.
Whether the rain will stop is not
easy to say.
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