外研版（2019）选择性必修第三册Unit1 Face Values Grammar课件(共18张PPT)

(共18张PPT)
These words are important.
They are important.
Reading these words aloud is important.
主语 (名词、代词、doing可作主语)
That we read these words aloud is important.
从句也可主语，称为 主语从句，相当于名词
That we read these words aloud is important.
________we read is important.
________we can finish it today is a problem.
________can help us solve it is a problem.
________book he can borrow is a problem.
________book of these he'll choose is a problem.
________he was born in LA is a problem.
________he found the lost wallet yesterday is crucial.
________he worked it out is unknown.
________he didn't come is unknown.
________breaks the window will be punished.
What
Whether
Who
Whose
Which
When
Where
How
Why
Whoever
主语从句的连词 意思 从句中担当成分
that
whether
what(ever),who(ever), whom(ever), whose, which(ever)
when, where, why, how, how long/...
无意思
在从句中不作成分
是否
在从句中不作成分
什么/无论什么；谁；谁；谁的；哪一个/哪些;
在从句中作主语、宾语、定语
何时;何地;为什么；如何/怎么;多久/...
在从句中作状语
判断方式：看从句内是否完整不缺，缺什么，用什么
1) _______will attend the meeting hasn't been decided.
2) _______he became a scientist is known to us all.
3) _______he is from is unkown.
4) _______he will come is certain.
5) _______it will please him is easy to say.
6) _______side will win is not clear.
7) _______he did silly thing remains a mystery.
8) _______seems easy to some people seems difficult to others.
9) _______they will set out is not known yet.
10) ________arrives first will get a pen.
Who
How
Where
That
Whether
Which
Why
What
When
Whoever
考点2：从句作主语，主句的谓语单数
that与what
_____you said yesterday is right.
(2) _____she is still alive is a wonder.
What
That
主语从句中缺主、宾或表的sth，用what引导；
主语从句中意思、成分完整不缺，用that引导。
1) _________surprised us is his attitude.
2) _________he did it alone surprised us.
3) _________we know is his attitude.
4) _________it used to be is not important.
5) _________her hair turned grey worried her.
What
That
What
What
What
考点3：that引导的主语从句，常常为保句子平衡，采用it作形式主语，把that引导的主语从句放后面作真正主语。
That she is still alive is a wonder.
That her hair turned grey worried her.
It is a wonder that she is still alive.
It worried her that her hair turned grey.
1) It is + n. + that真正主语从句
It is a pity/shame/surprise/... that......
It is no wonder that... 难怪,...
It is a fact that....
It is common knowledge that.... ....是常识
It is a pity that we lost the game.
It is a fact that Taiwan is part of China.
It is common knowledge that metals expand when heated.
2) It is + adj. + that真正主语从句
It is certain/ possible/ obvious/ likely/... that.....
It is vital/ important/ necessary/ natural/strange/ ... that sb (should) do sth
It is possible that he will come.
It is vital that he (should) learn some Russian.
3) It is + done + that真正主语从句
It's said/reported/estimated/thought/... that....
It's universally acknowledged/... that....
It's suggested/required/commanded/... that sb (should) do...
It is known to us all that Taiwan is part of China.
It's required that he (should) arrive in advance.
4) It + vi. + that真正主语从句
It happens that... 刚好....
It seems/appears that... 似乎....
It occurred to/ hit/ struck sb that... 某人突然想到...
It seems that you disagree with the idea.
5) It + vt. + 宾语 + that真正主语从句
It surprised me that they got divorced.
It surprised me what the teacher said in class.
It puzzled me who did it.
It puzzled me where they found it.
It puzzled me whether they could make it.
It puzzled me when they could come.
It puzzled me why they didn't turn to their parents.
It puzzled me how they did it.
注意1：what 与 whatever
_________ had happened changed the situation.
(2)_________happens will never change the situation.
What
Whatever
what “什么；所...的” , 表示确指某次的情况
whatever “无论什么；所...的一切; 凡是...的”, 表泛指那一类的任何情况或一切。
1) ________ you did was right. 你所做的是对的。
2) _________ you did was right. 你做的一切都是对的。
What
Whatever
who 与 whoever
_________ broke the window is unknown.
(2)_________broke the window will repair it.
Who
Whoever
who “谁”, 有疑问含义，整个从句相当于sth或a problem
whoever “无论谁”, 没有疑问含义，整个从句相当于sb
1) ________ told you that was lying.
2) _________ will go with us hasn't yet been decided.
Whoever
Who
注意2：if 与 whether
Whether we can finish it today is a problem.
It is a problem whether/if we can finish it today.
“是否”, 引导主语从句并在句首时，只能用whether, 但若用it形式主语，真正主语从句放后时，用whether, if都可以
他们将赢或输对我来讲都是一样的。
Whether they will win or lose is the same to me.
It is the same to me whether/if they will win or lose.
注意3：引导主语从句的连词都不能省略，除非是it形式主语，that引导真正主语从句时可省that.
Taiwan belongs to China is a fact.
It is unknown he told them.
That
what
注意4：所有从句都要采用陈述语序
What do they do has much to do with the matter.
Where did I put it is a mystery.
1. 引导主语从句的连词有：______________________________;
判断方式为：_________________________; 若从句中意思、成分完整不缺，用___________; 若从句中成分不缺，但是个问题，用___________; 若从句中缺主、宾或表的sth, 用_________; 若从句中缺某疑问词的含义就用_____________引导这个主语从句。
2. 为保句子平衡，常用_________作形式主语，把真正主语从句__________. 常见句型有：
1)_____________________________________
2)_____________________________________
3)_____________________________________
4)_____________________________________
5)_____________________________________
that, whether, 所有特殊疑问词
看从句内是否完整不缺
that
whether
what
该疑问词
it
放后
It's + n. + that....
It's + adj. + that....
It's done + that....
It + vi. + that...
It + vt. + 宾 + that...
其中，尤其 _______________________________________ 和________________________________________, 要采用虚拟语气_________________作从句中谓语
3) 引导主语从句的连词都________________, 除非使用形式主语，真正主语从句的___________可以省略。
4) 主语从句使用________________语序。
It's vital/strange/natrual/.. that....
It's suggested/required/commanded that..
(should) do
不能省略
that
陈述