2024届高三英语名词性从句复习课课件(共14张PPT)

(共14张PPT)
名词性从句复习课
名词性从句又可分为宾语从句、表语从句、主语从句和同位从语。
主语从句：
宾语从句：
表语从句：
同位语从句
充当主语的从句。一般位于句首，有时为了避免头重脚轻借助it 作形式主语
充当宾语的从句。位于及物动词或介词之后
充当表语的从句。位于连系动词之后
充当同位语的从句。位于抽象名词如（news，fact ，idea等）之后，用来说明这个抽象名词的具体内容
I don’t know how I should deal with the
problem.
2.The problem is that we don’t have enough
money.
3.Whether we will go camping tomorrow depends on the weather.
The news that he won the first prize in the English contest made his mother happy.
判断下列句子是什么从句
主语从句
宾语从句
表语从句
同位语从句
What he said is not true .
2.That he can’t come is a pity.
3.It is a pity that he can’t come.
主语从句
充当主语的从句。一般位于句首，有时为了避免头重脚轻借助it 作形式主语
it作形式主语的常见句型
1. It is+过去分词（ reported/ said/believed 等）+that…
It is reported that ten people were killed in the explosion.
2.It is +形容词（obvious/necessary/natural等）+ that…
It is natural that they should have different views.
it作形式主语的常见句型
3.It is+名词（ a pity/a shame/an honor等）+ that…
It is a puzzle that how life began.
4.It +不及物动词( seemed/ happened 等 )+that…
It happened that she was out when we called.
1.I doubt whether he will come.
2.He did what he could do to comfort her.
3.I worry about whether I hurt her feelings
二.宾语从句
宾语从句：充当宾语的从句。位于及物动词或介词之后
1.宾语从句的时态
1)主句谓语是一般过去时,宾语从句用一般过去范畴的时态
1.He said that he _______( come) to see me the next day.
2）但是从句表示客观真理, 依然用一般现在时
2.Our teacher said that light ________(travel) faster than sound.
would come
travels
2. that在宾语从句中的省略与保留
(1) 引导宾语从句的连词that也无实际意义,不充当任何句子成分通常可以省略.
I think (that) you are right.
(2)由连词and连接的两个由that引导的宾语
从句中, 第二个that 不省略.
例: He told me （that） he would come
and that he would come on time.
1.The trouble is that we are short of money.
2.The question is whether you will support me.
表语从句：充当表语的从句。位于连系动词之后
三.表语从句
1.主句主语是reason 时，引导表语从句只能用that
The reason why he was late this morning is ________there was a lot of traffic on the road.
The reason for his absence is ________his mother was ill.
that
that
1.That/This is because……….
2.That/This is why……………..
1.Tom fell ill yesterday. That was ______he didn’t come
to school.
2. Tom didn’t come to school yesterday. That was ________he fell ill.
why
because
1）The news that Tom passed the driving test made his mother happy.
2）I have no idea when he will be back.
3）We heard the news that our team had won.
同位语从句:位于抽象名词如（news，fact ，idea, order,等）之后，用来说明这个抽象名词的具体内容
四.同位语从句
定语从句和同位语从句的区别
1.The news that Mr. Li will be our new English teacher is true.
2.The news that he told me yesterday is true.
同位语从句, that无意思也不充当句子成分但不可省略
定语从句,that在从句中作told的宾语,可省略