精品主语从句PPT课件

2）It+不及物动词+主语从句 It seemed (happened, doesn’t matter, has turned out) that…
It happens that they were absent. It seems that Alice is not coming to the party at all. It doesn’t matter whether she will come or not.
3)连接副词when，where， how， why等。
Why he did it remains a mystery. When they will start is not known yet. How he became a great scientist is known to us all.
Why my mother would be happy is _____psad is______________________
1. _____ That you don’t like him is none of my business. 2. _____ What he said at the meeting astonished everybody present 3. ________ Whether the 2000 Olympic Games will be held in Beijing is not known yet. 4. ________ Whether we’ll go camping tomorrow depends on the weather. 5. ________ Whoever leaves the room last ought to turn off the lights.
Describe your mother with your partner. Suggested structures:
What my mother likes is_________________.
What my mother doesn’t like is _____________________ Whether my mother would feel happy is _______________
主语从句常用it作形式主语放句首
因而我们常见到这种句式： It+be+n./adj/-ed从句（that, whether,etc.) 例：It's a pity that you should have to leave. = That you should have to leave is a pity. It is great that I have a teacher like you. = That I have a teacher like you is
3. It worried her a bit ____ her hair was turning grey.（MET92） A．while B. that C．if D．for
1. _____ made the school proud was______ more than 90％ of the students had been admitted to key universities. A. What; because B. What ; that
定义： 用作主语的从句叫主语从句，它是名 词性从句之一。引导主语从句的连接词有：
连词that, whether；连接代词who,
what和which；连接副词when, where, how和why。
主语从句的连接词
1.连 词 that( 无词义 , 不作成分 , 不 能 省 略);whether(是否),if不能位于句首。
“How do you do?” is a greeting.
What she said is not yet known.
That we shall be late is certain.
It is certain that we shall be late.
主语从句 （Noun Clauses as the Subject）
insisted/required 中, that从句的谓语也
应该用\“should + 动词原形\”的形式, should
有时可以省略。
3. 主语从句需注意的问题 (1)主语从句中用陈述语序 What she is afraid of is their taking her to
Paris. ( What is she afraid of … Wrong ) (2)主语从句后谓语动词用三人称单数 That they haven’t phoned is strange. (3)that引导的主语从句中，that不可
特殊句式
1.I hate ____ when people talk with their mouths full．（MET98） A. it B. that C. these D. them 2. I feel ____ strange that he should be so careless. A. / B. it C. that D. how
2)连接代词who ，what ，which, whatever, whichever, whoever
充当成分，有具体意义
What seems easy to some people seems difficult to others. Which side will win is not clear.
It is certain that she will do well in her exam. It is true that I told her everything. It is said that Mr. Green has arrived in Beijing. It is reported that China has sent another manmade earth satellite into orbit.
That he will come and help us is certain. Whether we will succeed is still a question. It is not known if he will come.
注意: 已确定的事由that引导;
没决定的事由whether引导.
It makes no difference where we shall have the meeting.
3) It +及物动词（被动语态）+主语从句
It has been decided that the exhibition will not open on Sundays.
注意:
1）主语从句在句首时，必须由连接词引导， 不能省略这些连接词；但是如果用it做形式 主语，而把主语从句放在句末时，从属连词 that可以省略。
6. ___ It is a fact that English is being accepted as an international language. 7.It worried her a bit ____ that her hair was turning grey. 8. The Foreign Minister said, “__ It is our hope that the two sides will work towards peace.” 9. After Yang Liwei succeeded in circling the earth, what ____ our astronauts desire to do is walk in space.
What在此引导主语从句,又做said的宾语
2) That she is still alive is a consolation.
That 只起连接作用,不做成分
practice
改错练习
1.Where shall we spend the holiday isn’t decided. we shall 2.You have made a mistake is a fact. That you have 3.That is certain that we can win. It is 4.No matter who leaves the room last ought Whoever to turn off the lights. 5.It is important that a student learns a should learn foreign language.
C. That ; what D. That ; because
2. ______ we will go camping tomorrow depends on the weather. A. If B. Whether C. That D. Where 3 _______ that they can pass the written exam this time. A. That is hoped B. It is hoped C. It hopes D. That hopes
4) . 用于It is important / natural / necessary /
impossible that...句型中, 主语从句应使用虚
拟语气, 谓语动词用\“should + 动词原形\”的
形式, should有时可以省略。
5) 在It +
be+suggested/advised/ordered/requested/
5. ____ leaves the room last ought to turn off the lights. A. Anyone B. The person C. D. Who C Whoever 6. ___ is a fact that English is being accepted as an international language. A. There B. This C. That D. D It