2022届高考英语语法名词性从句之主语从句课件 （39张ppt)

(共39张PPT)
高考英语语法名词性从句之主语从句
How about you
For You:
1. Name: ______ School: ______ Grade: ______
2. Where do you come from
3. When's your birthday
4. What's your hobbies
For English Learning:
1. I think learning English is_____.
2. When I'm in English class, or doing English homework, I ________.
3. As for me, the most difficult part is ______.
Warming up 看图造句：
What they are talking about is the use of cell phone.
名词性从句
定义：
在句子中起名词作用的从句叫名词性从句
名词性从句的功能相当于名词词组，它在复合句中能担任主语，宾语，表语，同位语等
因此根据它在句中不同的语法功能，名词性从句又可分为主语从句，宾语从句，表语从句和同位语从句
考情分析—名词性从句在高考卷中的占比
PART 02
内容讲解
Presentation 主语从句
做主语的名词性从句，因其在复合句中做主语，又称主语从句，引导主语从句的从属连词that，whether，连接代词who，what，which，连接副词when，where，how，why等
1
从属连词：that
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。
e.g:
That he will win is certain.
判断对错：
1. We should leave at once is ordered. (F)
2. You have made a mistake is a fact. (F)
3. They should be like each other is natural. (F)
Exercise
判断对错：
1. We should leave at once is ordered. (F)
That we should leave at once is ordened.
2. You have made a mistake is a fact. (F)
That you have made a mistake is a fact.
3. They should be like each other is natural. (F)
That they should be like each other is natural.
Exercise
注意！
例如：
1. That he will refuse this piece of advice is impossible.
= It is impossible that he will refuse this piece of advice.
2. That they should be like each other is natural.
= It is natural that they should be like each other is natural.
Attention：
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。
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 konwledge that.... ......是常识
* __It is a pity that______________（很遗憾）we lost the match.
*____It is a fact that____________（这是事实）he cheated in the exam.
这样就构成了下面的一些常用句型：
2）It is + adj. +从句
It is a 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 possible that_________（很可能）she will come back tomorrow.
*___It is obvious that_____（很明显）this measure is effective.
这样就构成了下面的一些常用句型：
3）It + 不及物动词 +从句
It happened that.... 碰巧.......
It occurred to me that.... 我突然想起......
* __It happened that________（刚好）I came into the office at that time.
*__It occurred to me that_____（我突然想起）I forgot to sent the letter.
这样就构成了下面的一些常用句型：
这样就构成了下面的一些常用句型：
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......... 人们相信..........
It is suggested that + (should) do.......... 建议...........
It must be admitted that.......... 必须承认........
It can not be denied that.......... 不可否认.........
It must be pointed out that........... 需指出的是.......
这样就构成了下面的一些常用句型：
*__It is reported that________（据报道）20 people were killed in the accident.
*__It is suggested that_________(建议) we should eat more vegetables and do more exercise.
2
从属连词：whether
whether引导主语从句，if不可
误： If Mary really heard him is doubtful.
正： Whether Mary really heard him is doubtful.
用whether/if填空
1. The question is________the film is interesting.
2. ________we shall attend the meeting hasn't been decided yet.
Exercise
用whether/if填空
1. The question is__if____the film is interesting.
2. _Whether____we shall attend the meeting hasn't been decided yet.
Exercise
3
连接代词who, what, which, whatever, whichever, whoever
What many scientists believe is that the earth is round.....
Who will take part in the meeting has not been decided.
Whoever breaks the law will be punished.
Whatever was said here must be kept secret.
4
连接副词 when，where，how，why
Why they suddenly disappeared is still a mystery.
When they will leave is not decided.
How we will paint the house has not been decided.
Complete the sentences using what, whether, where, when, who, why, how or that.
1._______is needed for success is your hard work.
2. __________they will arrive has been told to the teacher.
3. _______we will go tomorrow hasn't been decided yet.
4. __________can join in the sport meet is decided by the teacher.
5. __________it will rain or not is not clear.
conclusion: 主语从句做主语时， 谓语动词一般用单数形式
Exercise
Complete the sentences using what, whether, where, when, who, why, how or that.
1. _What_______is needed for success is your hard work.
2. __When/How______they will arrive has been told to the teacher.
3. __Where/whether/how/when__we will go tomorrow hasn't been decided yet.
4. __Who______can join in the sport meet is decided by the teacher.
5. __Whether_______it will rain or not is not clear.
conclusion: 主语从句做主语时， 谓语动词一般用单数形式
Exercise
主语从句的规律
找出下列句子中的错误，并总结规律：
1. When will he come is not known.
正：When he will come is not known.
规律一：主语从句一律用陈述语序，即主语在前，谓语在后。
主语从句的规律
2. He will not come to the meeting this evening is true.
正：That he will not come to the meeting this evening is true.
规律二：连词that在从句中无实际意义，但不能省略。
主语从句的规律
3. If the meeting will be put off has not been decided yet.
正：Whether the meeting will be put off has not been decided yet.
规律三：whether可以引导主语从句，放在句首，但if不能
主语从句的规律
4. That whether he will help others is a fact.
正：That he will help others is a fact.
规律四：主语从句中的连词不能重叠使用
主语从句的规律
5. When he will come are a puzzle.
正：When he will come is a puzzle.
规律五：含主语从句的主句谓语动词多用第三人称单数形式
主语从句的规律
6. What he needs is some books.
正：What he needs are some books.
规律六：what引导的主语从句，可根据表语决定主句动词的单复数形式
主语从句的规律
7. That the earth turns around the sun is known to all.
正：It is known to all that the earth turns around the sun.
规律七：主语从句为了避免头重脚轻，用it做形式主语，而从句放在后面
1._________he made an important speech at the meeting was true.
A. That B. Why C. What D. How
2 _______we'll go camping tomorrow depends on the weather.
A. If B. Whether C. That D. Where
3. It worried her a bit______her hair was turning grey.
A. whether B. that C. what D. when
4. What I say and think_______none of your business.
A. is B. are C. has D. have
Exercise
1. _A___he made an important speech at the meeting was true.
A. That B. Why C. What D. How
2 __B___we'll go camping tomorrow depends on the weather.
A. If B. Whether C. That D. Where
3. It worried her a bit_B____her hair was turning grey.
A. whether B. that C. what D. when
4. What I say and think_A____none of your business.
A. is B. are C. has D. have
Exercise
5. Without his support, we wouldn't be_______we are now.
A. how B. when C. where D. why
6. This is_______my father has taught me---to always face difficulties and hope for the best.
A. how B. which C. that D. what
7. The gold medal will be awarded to_______wins the first place in the bicycle race.
A. whomever B. wherever C. whoever D. whatever
Exercise
5. Without his support, we wouldn't be_C_____we are now.
A. how B. when C. where D. why
6. This is___D___my father has taught me---to always face difficulties and hope for the best.
A. how B. which C. that D. what
7. The gold medal will be awarded to_C____wins the first place in the bicycle race.
A. whomever B. wherever C. whoever D. whatever
Exercise
1. 他吃瓜这事我们都知道。
2. 没人知道他吃啥。
3.他喜欢那女孩是个不用怀疑的事实。
4. 他是不是喜欢那女孩都没关系。
Exercise
1. 他吃瓜这事我们都知道。
That he eats a melon is known to us.
2. 没人知道他吃啥。
Nobody knows what he eats.
3.他喜欢那女孩是个不用怀疑的事实。
It is an undoubted fact that he likes the girl.
4. 他是不是喜欢那女孩都没关系。
It doesn't matter whether he likes the girl or not.
Exercise
PART 03
课后总结
Summary