2021届人教版高三英语课件：英语主语从句讲析(18张PPT)

主语从句
Subject Clause
什么是主语?
就是发出动作的东西 / 人 / 事
执行句子的行为或动作的主体
I love you.
She is beautiful.
The dog is shouting.
Whatever you did is right.
什么是从句?
只要是（连词+句子）的这种形式出现在一个句子当中
Could you tell me how I can get there?
She is the girl who is very beautiful.
What she said is amazing.
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.
主语从句一般都出与句子中主语的位置。 （一般在前面）
主语从句 – 名词性从句
1 语序 ：陈述句语序
2 连接词： 按照句子意义进行选择
3 时态 主过从过
陈述句语序：对比
{D27102A9-8310-4765-A935-A1911B00CA55}陈述句
疑问句
He is a boy.
Is he a boy?
I love you.
Do you love me?
She can fly.
Can she fly?
I have been there before.
Have you ever been there?
It is amazing that she is a boy.
It is amazing that is she a boy.
√
考点1 连接词的选用
{BDBED569-4797-4DF1-A0F4-6AAB3CD982D8}that
陈述句就选它（不作任何成分）（往往考固定搭配）
（不能省）
What （ever）
什么
事情、物品
Which （ever）
哪一个
选择事件、物品
Who （ever）
谁
人
Why
为什么
原因
When （ever）
什么时候
时间
Where （ever）
哪里
地点
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.
主语从句一般都出与句子中主语的位置。 （一般在前面）
1 A typical Chinese wedding nowadays goes like this; when a new couple is engaged, _______ follows is a choice of the date of their marriage.
2 After being designated as the first special economic zone in China, _________ was once a fishing village has rapidly become an emerging modern city.
3 I first have to remove all the rotten parts, and sometimes, _______ is left isn’t enough for my designs.
4 _____ was most difficult was that in order to realize this dream, I needed to find an existent café that wasn’t doing well.
what
what
what
What
考点2 ： 形式主语
That?they materialize the atmosphere of culture and humanity, and these will enlighten?us is?no?doubt?.
It?is?no?doubt?that?they materialize the atmosphere of culture and humanity, and these will enlighten?us.
避免头重脚轻
常用句式 (1) It is +名词+that从句
It is a fact that … 事实是……
It is an honor that …非常荣幸
It is common knowledge that …是常识
(2) it is +形容词+that从句
It is natural that… 很自然……
It is strange that… 奇怪的是……
(3) it is+过去分词+that从句
It is reported that… 据报道……
It has been proved that… 已证实……
(4) it +不及物动词+that从句
It seems that… 似乎……
It happened that… 碰巧……
There is no doubt ______ the event will attract more visitors to enjoy visiting this wonderful city.
that
考点3 主语从句主句谓语单复数
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.
考点4 与强调句的区别
It is … that
She is very beautiful.
It is she that is very beautiful.
It is she that wears school uniform is beautiful.
It is beautiful that she wears school uniform.
小结
小结
（1）引导主语从句连词有that, whether, who, what, whatever等
（2）连词位于句首不能省略
（3）主语从句大多数情况下视为第三人称单数，但也有例外
考点：
1 形式主语
2 疑问词（关系词）选用
3 主语从句中主句的谓语单复数
4 与强调句的区别