牛津高一英语Mdule3Unit2Grammarandusage课件.pptx

Unit 2 LanguageThe fourth periodI.I.名词从句的种类名词从句的种类That the earth is round is a fact.Mrs Black wont believe that her son has become a thief.My idea is that we should do it right now.I had no idea that you were her friend.主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句II.Tell the function of the following sentences.a.subject b.object c.predicative d.appositive1.The fact that Great Britain is made up of three countries is still unknown to many.2.The question is whether it is worth doing.3.Some people feel that Wales is an ancient fairy land.4.That he will come is certain.5.They realize that it is of great value to record and teach them to the younger generation.6.Why he did it wasnt quite clear.dcbbaaIII.Noun Clauses introduced by question words:We can use the following question words to introduce noun clauses:what,which,who/whom,whose,when,where,why and how.We use a question word to introduce a noun clause when the clause is a wh-question.The clause can function as the subject,object or predicative of the sentence.1.Where does a person come from?This will affect their style of speech.=Where a person comes from will affect their style of speech.wh-questionsubject2.Why does English have such strange rules?You can begin to see it!=You can begin to see it why English has such strange rules!wh-questionobject3.Why is English a langue with so many confusing rules?This is the reason.=This is why English is a language with so many confusing rules.wh-questionpredicativeAttention:1.We change the word order in a clause after a question word into that of a statement.2.We cannot leave out the question words in noun clauses in any cases.IV.Exercises:A on Page 28B on Page 29 Answers:A.1.O 2.S 3.P 4.O 5.O 6.PB.1.why 2.what 3.which 4.how/why 5.how 6.who 7.How 8.Which V.Choose the best answer1.-Do you remember _ he came?-Yes,I do.He came by car.a.how b.when c.that d.if2._ well go camping tomorrow depends on the weather.a.If b.Whether c.That d.Where 3.Ask her _ come with us.a.If she will b.if will she c.whether she d.whether will she4._ we cant understand is_ he didnt join us in our discussion.a.That;why b.Which;how c.What;what d.What;whyabadVI.主语从句主语从句在复合句中作主句的主语在复合句中作主句的主语.引导词有连词引导词有连词that(that 不可省不可省),whether;代词有代词有who,what,which;副词副词 when,where,how,why 等等.如如:1.That he is a famous singer is known to us.(It is known to us that he is a famous singer.)2.When he will go to America is not yet fixed.(It is not yet fixed when he will go to America.)3.Whether shes coming or not doesnt matter too much.(not if)(It doesnt matter too much whether shes coming or not.)VII.宾语从句宾语从句在复合句中作主句的宾语在复合句中作主句的宾语.引导词有连词引导词有连词that(that 常可省略常可省略),whether,if;代词有代词有who,whose,what,which;副词副词 when,where,how,why 等等.如如:1.We believe(that)he is honest.2.I asked if(=whether)they had a cheap suit.3.Can you tell which dictionary is hers?4.I really dont know what he is doing.VIII.表语从句表语从句在复合句中作主句的表语在复合句中作主句的表语.引导词有连词引导词有连词that(that 不可省不可省),whether;代词有代词有who,what,which;副词副词 when,where,how,why 等等.如如:The problem is that we didnt get in touch with him.This is how Henry solved the problem.His suggestion is that we(should)finish the work at once.如果句子的主语是如果句子的主语是suggestion,advice.order等名词时等名词时,后面引导的表语从句用后面引导的表语从句用should+动动词原形词原形,should可省略可省略.IX.同位语从句同位语从句在句中起同位语的作用在句中起同位语的作用.一般放在名词一般放在名词 fact,news,idea,promise,thought,suggestion 等之后等之后,用以说用以说明或解释前面的名词明或解释前面的名词.引导词有连词引导词有连词 that;少数情况下也少数情况下也可用连接副词等可用连接副词等.如如:1.The thought that we might succeed excited us.2.The idea that they should try a second time is worth considering.3.The suggestion that the plan(should)be delayed will be discussed tomorrow.4.You have no idea how worried I was.名词名词suggestion,advice.order等词后的同位语从句等词后的同位语从句的谓语动词要用的谓语动词要用should+动词原形动词原形,should可省略可省略.Empty It I.Revision1.Its a book.(指代指代)2.Its eight oclock.(时间时间)3.Its cold outside.(天气天气)4.Its a long way to the museum.(距离距离)II.Empty subject it1.We can use it as an empty subject A.when we use a noun clause as the subject of a sentence.(correct)That we would not be able to understand Old English today is certain.b.(correct)Whether English will continue changing in the future is easy to answer.c.(correct)When we use certain words depends on the style of writing.a.(preferable)It is certain that we would not be able to understand Old English today.=(preferable)It is easy to answer whether English will continue changing in the future.=(preferable)It depends on the style of writing when we use certain words.=It 作形式主语的句型作形式主语的句型:1.It+be+adj.(true,certain,possible,obvious,likely)that2.It+be+noun phrase(no wonder,an honour,a pity,)that3.It+be+pastparticiple (said,reported,expected,announced)that4.It+seems/appears that.5.It doesnt matter that B.When the subject is a to-infinitive:a.(correct)To master a foreign language is hard.b.(correct)To know how to use a computer is important.(preferable)It is hard to master a foreign language.=(preferable)It is important to know how to use a computer.=C.When the subject is a v-ing forma.(correct)It is difficult to stop smoking.b.(correct)It takes a lot of my time travelling to Beijing.We usually use the empty subject it with a clause or to-infinitive(preferable),but with the v-ing form we prefer the real subject at the beginning.Tip(preferable)Smoking is difficult to stop.=(preferable)Travelling to Beijing takes up a lot of my time.=2.It can also be used before seem,appear,happen,chance,turn out and prove as the empty subject of a sentence.:a.He seems to speak two languages.b.My new neighbour happens to come from my home town.It seems that he speaks two languages.=It happens that my new neighbour comes from my home town.=3.We can emphasize the subject,object,or adverbial in a sentenceby using it+be+the word/phrase you emphasize+a clause introduced by that or who.a.It was last night(not any other time)that I read about the history of English.If we do not emphasize anything,the sentence can be:I read about the history of English last night.强调句强调句:1.It is Prof.Li who teaches us English.强调主语强调主语2.It is English that Prof.Li teaches us.强调宾语强调宾语3.It was in Shanghai that I saw the film.强调状语强调状语III.Exercises:A on Page 31 B on page 31 Answers:A.2.It depends upon what you see and hear to decide what they are.3.It always puzzles me why my dog barks in certain ways.4.It wont be difficult buying a machine like this.B.2.It is because there are several racial groups living in Singapore that Singapore has four official langueges.3.It is for you that Ive brought something special from Singapore.4.It will be sometime next week that Ill give it to you.IV.作形式宾语作形式宾语当复合宾语中的宾语是不定式当复合宾语中的宾语是不定式/动名词动名词/宾语从句时宾语从句时:1.I think it no use arguing with you.2.I found it interesting to play football.3.We thought it strange that he did not come.V.Translation1。乘宇宙飞船去月球是可能的。乘宇宙飞船去月球是可能的。2。我发现学好英语是很重要的。我发现学好英语是很重要的。3。他似乎已经知道问题的答案。他似乎已经知道问题的答案。4。他的父母是死在二战中。他的父母是死在二战中。5。我们在哪儿听报告还没定。我们在哪儿听报告还没定。It is possible to fly to the moon in a spaceship.I find it very important to learn English well.It seems that he has known the answer to the problem.It was in the Second World War that his parents died.It hasnt been decided where well listen to the report.Homework1.C2 on page 1002.Unit Revision:Periods 5&6.