Unit 4 Astronomy_ the science of the stars Grammar 主语从句课件(46张)

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名称 Unit 4 Astronomy_ the science of the stars Grammar 主语从句课件(46张)
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科目 英语
更新时间 2018-07-18 10:46:18

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课件46张PPT。What can you see in the picture?What I can see is …What I can see is a face of a beautiful girl.Noun Clauses
(名词性从句)
Subject Clause
(主语从句)Appositive Clause
(同位语从句)Object Clause
(宾语从句)Predicative Clause
(表语从句)What I can see is a face of a beautiful girl.
A book is on the desk.
You are a student.
Smoking is bad for you.
To see him again is a pleasant thing.
n.pron.infinitive phraseverbal nounFind the subject of each sentence.Find the subjects in the following sentences.
That we shall be successful is certain.
Which kind of food is the best is difficult to say.
clauseclausesubject clauseDefinition:在句中充当主语的从句叫做主语从句。观察下列例句,指出其中所包含的主语
从句及引导词:
1. That Yao Ming will come to my city excites everybody.
该句中从句部分是 __________________ ,引导词为 _____。thatThat Yao Ming willcome to my city 2. Whether we will travel abroad or not has not been decided.
该句中从句部分是 _________________
__________________,引导词为 _________。
3. What is needed for a long trip is careful preparation.
Whether we willtravel abroad or notwhether该句中从句部分是 __________________ _________,引导词为 _____。What is needed for a long tripwhatIntroductory words (引导词)
1.引导词 that ★_____the sun rises in the east and sets in the west is known to all.
★她能来帮助我们使我们很高兴。
made us very happy.That she could come to help usThat that放在句首引导主语从句,在主语从句中
不充当任何成分也无实际意义。但是不能省略。主语从句有时为了使句子结构平衡, 避免 “头重脚轻”, 常用 it 作形式主语, 而把主语从句(多由that 引导)放在后面作为真正的主语。Attention: Examples:
That we should learn English well is important.

That your English will be better is certain.

It is certain that your English will be better.It is important that we should learn English well.Formal SubjectReal SubjectFormal SubjectReal SubjectIt + be + 形容词 + that从句It is certain that… 肯定…
It is important that …. 重要的是…
It is obvious that…… 很明显……It + be + -ed分词 + that从句It is said that… 据说…
It is suggested that… 有人建议…
It is known to us/all that …. 众所周知…
It has been decided that…… 已经决定……用it作形式主语的that从句有以下四种不同的搭配句式:It + be + 名词 + that从句It is a pity that… 遗憾的是……
It is a surprise that …. 令人惊奇的是……
It is a fact that…… 事实是……It + 不及物动词 + that从句It appears/seems that… 似乎……
It happens that …. 碰巧……
It occurred to sb. that…… 某人突然想起……用it形式主语翻译下列句子:1、学生学好英语很重要。

2、已经得到证实你是对的。

3、众所周知地球是圆的。

4、真是遗憾你错过了这个机会。


It is very important that students should learn English well.It has been proved that you are right.It’s known to all that the earth is round.It’s a pity that you missed the chance.2.引导词 whether
________he'll take part in the play (or not )is unclear.
Whether whether在主语从句不充当任何成分;
意为“是否”,不可使用if.
_____is needed for success is your hard work._________ breaks the law should be punished. ______side will win is not clear.主语定语主语( )( )( ) WhatWhichWhoever
______ he will go is unknown, maybe Xi’an.

_____he did it like this remains a mystery, nobody knows the reason.
______ he solved the problem is known to
us all.
地点状语原因状语方式状语( )( )( )WhyWhereHow3.主语从句中既充当句子成分,也具备语义的引导词:
who(ever),whom(ever),whose,
which(ever), what(ever), ,
在主语从句中作主,宾,表,定when, why, how,where在从句中充当状语 1. _____ you are very active in English class makes me so happy.
2. _____ he said at the meeting surprised everybody present.
3. we shall spend the holiday isn’t decided.
4. ________ we’ll go fishing tomorrow depends on the weather.
5. ________ leaves the room last should turn off the lights. ThatWhatWhen/Where/HowWhetherWhoever选择恰当的引导词: It is reported that a drought occurs in southwestern china. In this picture, there is an old man. That his land is dry makes him sad. Though he is worried, what is being done by the local government brings him hope.Underline all the subject Clauses in the passage.Exercise:4. 主语从句需注意的问题 从句中要用陈述语序It is known to us all how he became a great scientist .It is not known what he wants to tell us .How did he become a great scientist?
It is known to us all.What does he want to tell us?
It is not known.Tips:4. 主语从句需注意的问题 主语从句中,谓语动词一般用单数Whatever he says __ (be) of no importance. Where he will get a job after graduation
(puzzle) him much.That the coal workers are still alive (be) a wonder.is puzzles/has puzzledis ____________________ Tips:When we will go _____(have) not been decided yet.
When and where we will go _____( have) not been decided yet.
When we will go and where we will go _____(have) not been decided yet. hashas have 由and 连接两个或两个以上的主语从句作主语时,谓语动词用复数;由两个或多个连接词引导一个主语从句时,谓语动词用单数。Tips:
What I need____(be)money.
What I need ____(be)books.is are 当what引导主语从句时,有时谓语的数应与主句中作表语的名词保持一致。
Tips:ConsolidationGame Time Competition!! Pick up one number and finish the task in it, then you can get some points.
Light travels faster than sound is known to us all.Thatthat虽无词义但引导主语从句位于句首时不能省略。Correct mistakes:10
Light travels faster than sound is known to us all.Thatthat虽无词义但引导主语从句位于句首时不能省略。Correct mistakes:10if, whether都可表示“是否”, 但if不能引导主语从句。 If she’s coming or not doesn’t matter much.Whether she’s coming or not doesn’tCorrect mistakes:5 That the professor said is of great importance.
Where will the trees be planted has
not been decided.Whatthat引导主语从句时无词义。What the professor said表示“教授所说的”。将will置于trees之后。从句要用陈述句语序。20Correct mistakes:
When and where the meeting will be held still remain a question.主语从句表示单一概念,谓语要用单数形式。remainsCorrect mistakes:20 Where shall we spend the holiday isn’t decided. You have made a mistake is a fact.we shallThat 20Correct mistakes: No matter who leaves the room last ought to
turn off the lights.WhoeverCorrect mistakes:20 That is certain that we can win. If the policemen will come is not certain.It WhetherCorrect mistakes:10 1. ___ is a fact that English is being accepted as an international language.
2.It worried her a lot ____ her hair was turning grey.
3. It is said____ he has gone abroad. ItthatthatFill in the blanks:20 ____ surprised me most was that the little girl could play the piano so well.
____ you told me just now was really a surprise.WhatWhatFill in the blanks:20 ____ surprised me most was that the little girl could play the piano so well.
____ you told me just now was really a surprise.WhatWhatFill in the blanks:20 the cat domadeWhat the cat did made the baby cry.WhatcryMake a sentence30talk aboutthe use of
cell phone What they are talking about is the
use of cell phone.Make a sentenceWhat30  report , the school English Corner, set up
It is reported that the school English Corner has been set up.Make a sentence30他是不是我的孩子仍然是个问题。Whether he is my child remains a question.30What the boy did made the teacher angry.这个男孩所做的事让老师很生气。30Whoever sees the girl is attracted by her.任何见到这个女孩的人都被她吸引。30主语从句在写作中的应用What do you think of grammar learning?
How can you learn grammar well? In my opinion, it is very important ________ _______________ (我学好语法) because it can help me with my writing and sentence structure. ____ is known to all that grammar is really a bridge to success. Believe it or not, it doesn’t matter ______ we can recite all those grammar rules. _____ we need to do is try to understand and use the language.ItwhetherWhat 40请根据以下表格内容,以How to learn English well?为题写一篇短文,可以自由发挥,在短文中尽可能运用主语从句
1.为什么要学好英语 ? 众所周知,英语是应用最广泛的语言,据报道,很多人都把英语作为第一或第二语言。
2.如何学好英语? 不能放弃,虽然英语有时很难。多练习,熟能生巧是有道理的。最重要的是养成良好的学习习惯,比如利用字典、多和老师交流等。
Homework:Thank You!