(共35张PPT)
名词性从句课件
Noun
clauses
相关概念
1.名词:表示人或事物的名称的词。
2.名词的句法作用:名词在句中主要作主语,宾语,表语和同位语。另外还可以作定语,状语。
3.名词性从句:
在英语的句子结构中,本来该由名词充当的主语、宾语、表语和同位语,由一个句子来充当,这个句子就叫:名词性从句。
名词性从句的种类
His words surprised us.
What he said surprised us.
名词作主语
从句作主语
名词性从句的种类
I don’t know his name.
I don’t know what he is called.
名词做宾语
从句做宾语
名词性从句的种类
宾从位置?
He was surprised at what she said.
I heard that he joined the army.
I am sure that he will come.
介词后
动词后
形容词后
名词性从句的种类
This fact was very important.
The fact was that he didn’t pass the exam.
名词做b表语
从句做表语
表语在系动词后
名词性从句的种类
What is 系动词?
(1)be动词:am,is,are,was,were
(2)感官动词:look,smell,sound,taste,feel
(3)变化动词:become,get,go,grow,turn(+adj. 译为“变得”)
(4)保持:keep,stay,remain(+adj. 译为“保持”)
(5)无实义动词:seem,prove,appear(+adj. 无实际含义,功能类比be动词,译为“是”)
名词性从句的种类
The thought itself doesn’t matter.
The thought that he plans to leave doesn’t matter.
名词做b同位语
从句做同位语
名词性从句的种类
1.When we will start is not clear.
2.Mrs Black won’t believe that her son has become a thief.
3. My idea is that we should do it right now.
4.I had no idea that you were her friend.
主语从句
宾语从句
表语从句
同位语从句
名词性从句的位置
1.When we will start is not clear.
3. My idea is that we should do it right now.
4.I had no idea that you were her friend.
主语从句:谓语动词前
表语从句:系动词后
同位语从句:抽象名词后
名词性从句的常用连接词
连接词 词义 在从句成分 能否省略
that 无 不充当 引导宾从可省略
if 是否 不充当 不能省
whether 是否 不充当 不能省
That he said nothing made me very disappointed.
He promised that he would come back soon.
名词性从句的常用连接词
whether:
①可与or not直接连用
②可引导所有的名词性从句
if:
①引导主语从句不能位于句首
②只能引导动词后的宾语从句
③不能引导表语从句和同位语从句
考试时候,语法填空填whether不填if
名词性从句的常用连接词
如何判断用whether,if,还是that?
I wonder they will come to our party.
I can’t say they can come on time.
He told me she would catch the early bus.
I don't know the coat is cheap enough.
whether/if
whether/if
that
whether/if
前面出现疑惑、不确定、询问等,用whether;否则用that
名词性从句的常用连接词
连接代词 词义 在从句成分 能否省略
whatever 无论什么 主、宾、表、定 不能省
whoever 无论谁 主 不能省
whomever 无论谁 宾 不能省
whichever 无论哪个 主、宾、表、定 不能省
whose 谁的 定 不能省
Note:疑问词+ever,表强调,“无论......”
He asked me whom he should write a lettter to.
We don’t have any idea which should be chosen first.
名词性从句的常用连接词
连接副词 词义 在从句成分 能否省略
however 无论如何 方式状语 不能省
whenever 无论何时 时间状语 不能省
wherever 无论在哪 地点状语 不能省
why 为什么 原因状语 不能省
Note:疑问词+ever,表强调,“无论......”
He can’t answer the question when she will arrive home.
How they spent the money made us shocked.
连接词,连接代词,连接副词
1. I don’t know the report is true or not.
2. I saw in Shanghai impressed me deeply.
3. He doesn’t know the post office opens.
4. They have to accept the fact the time is running out.
5. Peter works in the hospital helps us a lot.
6. We don’t know she is ready or not.
What
when
whether
that
That
whether
连接词,连接代词,连接副词
7.The question is gave away his secret.
8.In 1492, Columbus reached is now called America.
9.Mary wrote a report on her team had failed to win the competition.
10. he became a doctor may have been due to his father’s influence.
who
what
why
That
主语从句注意要点
It’s possible / important / necessary / clear … that …
很可能 / 重要的是…… / 必要的是…… / 很清楚……
It’s said / reported … that … 据说 / 据报道……
It’s been announced / declared that … 已经通知 / 宣布……
It seems / appears / happens … that … 显然 / 明显 / 碰巧……
It’s no wonder that … 并不奇怪 / 无疑……
It’s a pity that … 遗憾的是……
It’s a fact / a common knowledge … 众所周知……
It’s a common saying … 俗话说
it 的用法: 形式主语
主语从句注意要点
it作形式主语
it放在开头作为形式主语,真正主语放在that从句或to do不定式
It is..... that从句/to do
It is reported that there will be heavy rain tomorrow.
It is likely that he doesn’t know the price of that vase.
It is common knowledge that actions speak louder than words.
主语从句注意要点
“if” 不能引导主语从句,应由“whether”引导
主语从句的“that” 一般不能省略
“what” 引导主语从句时,谓语动词:
(1) 常与其后作表语的名词一致
(2) 根据句子的语境而定
· What you left are only several old books.
· What you said is of great importance.
· What he says and does doesn’t concern me.
· What he says and does don’t agree.
宾语从句注意要点
He said (that)we were too young to understand the matter and that we should turn to our professor.
他说我们太年轻,还无法理解这件事,我们应该向教授寻求帮助。
句中出现多个宾从,第一个that可省略
宾语从句注意要点
it作形式宾语
在think/believe/find/feel/consider/make/suppose后,it作形式宾语,后面that从句/to do为真正宾语
He thinks it useless that she worries about the future.
公式:Sb.+v.+it(形式宾语)...+that从句/to do(真正宾语)
宾语从句注意要点
doubt后接宾语从句
(1)肯定句中,一般接whether或if引导宾从
I doubt whether/if he can solve the problem.
(2)否定句,一般接that引导宾从
I don’t doubt that he can solve the problem.
宾语从句注意要点
宾语从句时态
主现从不限
My teacher says he will be back in a week.
主过从必过
My father said he was watching TV at that time.
客观真理永一现
Our teacher told us the sun is much bigger than the earth.
表语从句注意要点
常用句型:
(1)That is why+结果
(2)That is because+原因
(3)The reason (why +结果) is / was (that +原因)
定从 表从
(4)(What...) is/was (that...)
主从 表从
表语从句注意要点
This is why he can’t attend the meeting on time.
This is because he missed the early bus.
The reason why he was late was that he got up late.
What made the school proud was that more than 90% of the students had been admitted to key universities.
表语从句注意要点
表语从句专属引导词
as if, as though
It looks/seems... as if/as though...
It seems as if he is flying.
He fell asleep on the sofa. That might be because he was too tired.
同位语从句注意要点
(1)一般跟在一些抽象名词( idea, belief, fact, truth, rumour, news 等)后面,对名词作进一步解释说明
(2)分隔式同位语从句
An idea occurred to him that he could ask the professor for help.
同位语从句注意要点
We expressed the hope that they would come to China again.
We expressed the hope that they had expressed.
同位语从句和定语从句的区别
同位语从句: that 只起连接作用,不作任何成分;
定语从句: that 是关系代词,起连接作用,充当宾语和主语。
2. 同位语从句:与前面的名词是同位关系,对名词进行补充说明;
定语从句:与前面的名词是所属关系, 对名词进行修饰, 加以限定。
3. 同位语从句: that 不能省略;
定语从句: that 在从句中作宾语时, 可以省略。
1. It worried her a bit he hair was turning grey.
2. has helped to save the drowning girl is worth praising.
3. team will win the match is a matter of public concern.
Tom was admitted into the university made his family very happy.
4. Lily lives has not been found out.
5. the ancient people built the pyramids puzzled people for centuries.
6. impressed me most was the boy’s ability to handle this kind of trouble.
7. The plan itself is a good one, but it can be carried out or not depends on circumstances,
that
That
Whoever
Which
How
What
Whether
1. It appears to her she wants to teach us alii sha has.
2. The clouds are gathering. It looks it is going to rain.
3. The most exciting moment was I was given the first prize.
4. What seems strange to us is she can sing so many English songs.
5. See th flags on the top of the building That was we did this morning.
that
that
as if/though
when
what
6. I have neither a raincoat nor an umbrella. That is I got caught in the rain.
7. My suggestion is he could adopt himself to his new conditions.
8. Mark didn’t come to my birthday party last night. That is he had to help his little sister with homework.
9. Now the question that you must carefully consider is what ypu have learned can be put into practice.
10. Great changes have taken place in that factory. It is no longer
it was 20 years ago, when it was so poorly equipped.
that
why
because
how
what
1. I lent Mark the dictionary on condition he would return it before Friday.
2. I made a promise to myself this year, my first year in high school, would be different.
3. The general(將军)gave the order the soldiers should cross the river at once.
4. The users of smart watches have brought up some doubt their privacy will be violated.
5. The suggestion the government should build a library here will be discussed in the meeting.
that
that
that
that
whether
6. Tomorrow is Tom's birthday. Have you got any idea the party is to be held At the restaurant or at his home
7. Your original question he did not report it to the police earlier has not yet been answered.
8. The nurses are trying their best to reduce the patient's fear he would die of the disease.
9. My son's question was ham in the hamburger got me thinking how English could be a crazy language.
10. All the scientists at the meeting believed that there was no doubt a cure for SARS would be found.
where
that
that
where
whether
谢谢大家
Noun
clauses