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1、單擊此處編輯母版標(biāo)題樣式,單擊此處編輯母版文本樣式,第二級,第三級,第四級,第五級,2020/4/19,#,Book8 unit1,A land of diversity,Book8 unit1A land of diversit,1,1.California is the third largest state in the USA but has the largest population.,加利福尼亞州是美國的第三大州，卻有著最多的人口。,句子中,but,連接兩個并列謂語,the+,序數(shù)詞,+,形容詞的最高級,+,可數(shù)名詞單數(shù),I think the computer is the f
2、irst most useful tool of all.,拓展：,one of+,最高級,+,可數(shù)名詞復(fù)數(shù) 最,之一,be+the+,形容詞最高級,+,人,/,物,+,定語從句,(that+,主語,+have/has ever+,過去分詞,),是,做過的最,的。,This is the most beautiful city that I have ever visited.,1.California is the third larg,2,單句,寫作,1.,巴黎是世界上最大的城市之一。,Paris is one of,in the world.,2.,這是我看過的最有趣的電影。,This
3、is,that I have ever seen.,the biggest cities,the most interesting film,單句寫作the biggest citiesthe most,3,2.Exactly when the first people arrived in what we now know as California,no one really knows.,人們具體是在什么,時(shí)候首次到達(dá)我們現(xiàn)在稱之為加州的地方的，沒人真的知道。,分析：,no one really knows,是主句，,Exactly California,是賓語從句，做,knows,賓語
4、,(,因?yàn)橐獜?qiáng)調(diào)從句的內(nèi)容而將從句前置,),一、,what,引導(dǎo)的名詞性從句,(1)what,引導(dǎo)的名詞性從句，,在及物動詞或介詞之后做賓語,，賓語從句。,Eg.Experts are wondering if the Internet is changing what we remember and how.,2.Exactly when the first peop,4,(2)what,引導(dǎo)的名詞性從句做,主語,是,主語,從句,What puzzles me is why he left the country without telling anyone.,(3)what,引導(dǎo)的名詞性從
5、句放在,be,seem,become,等系動詞后做表語是表語從句,.,Life is what happens to you while you are busy making other plans.,(2)what引導(dǎo)的名詞性從句做主語,是主語從句,5,拓展：,that,和,which,也可以引導(dǎo)名詞性從句,其用法為：,that,引導(dǎo)名詞性從句時(shí),不做句子成分,也無任何意義,只起引導(dǎo)作用。,What impressed me most was that such a little child could play the violin so well.,(2)which,引導(dǎo)名詞性從句時(shí)，
6、意為哪一個，哪一些，通常有一個選擇的范圍。,Please tell me which you like best.,拓展：,6,3.However,it is likely that Native Americans were living in California at least fifteen thousand years ago.,然而，可能美洲土著人至少在,15000,年以前就生活在加州了。,在,It is likely that,句型，,it,為形式主語,，真正的主語為,that,引導(dǎo)的從句，,that,在從句中不做任何成分，但不能省略。,It is likely that.,可
7、能,.,=sb./sth.be likely to do sth.,3.However,it is likely that,7,辨析,辨析,8,Brian is gifted in writing music;he is very likely,(be)a Beethoven.,一句多譯,當(dāng)你在,山里旅行時(shí)，你可能會遇到大型的野生動物。,(1)You,large wild animals while travelling in the mountain.,(2),large wild animals while travelling in the mountain.,to be,are ver
8、y likely to come across,Its very likely that youll come across,Brian is gifted in writing mus,9,4.That is why today over 40%of Californians speak Spanish as a first or second language.,那就是今天超過,40%,的加州人將西班牙語作為第一或第二語言的原因。,句型：,This/That is why.,這,/,那就是,的原因,why,引導(dǎo)的從句在句中作表語,從句表示結(jié)果,this/that,指上文提到的事實(shí)。,The
9、 deadline is near.This is why we are very busy.,4.That is why today over 40%,10,拓展：,Thats because.,那是因?yàn)?.(because,從句表示原因,),The reason that/whichis that ,的原因是,(that/which,引導(dǎo)定語從句并在從句中作主語或賓語，第二個,that,引導(dǎo)表語從句,),The reason whyis/was that.,的原因是,拓展：,11,Eg:,Mark came late for the meeting.That is because his
10、mother was ill.,The reason that/why the injection needs repeating every year is that the virus often changes.,The reason that/which Tom made up for being absent from class was that he was ill.,Eg:,12,5.It is believed that before long the mix of nationalitiescultures.,句型：,(1)It+be+,過去分詞,+that it,是形式主
11、語，,that,從句是真正的主語，常用于此句型的過去分詞有：,said,reported,thought,believed,hoped,suggested,estimated,predicted,等,.,Its believed that he should be punished because he drove too fast.,5.It is believed that before,13,(2),該句型中的過去分詞如果是建議，要求，命令,(suggested,advised,required),等，,that,引導(dǎo)的從句要用虛擬語氣,(should)+,動詞原形,(3),該句型可以轉(zhuǎn)
12、化為,sb./sth.+be+,過去分詞,+,不定式,或,People+,動詞原形,+that,句型,據(jù)說我們校長下個月要去紐約。,It is said that our headmaster will go to New York next month.,Our headmaster is said to go to New York next month.,People say that our headmaster will go to New York next month.,(2)該句型中的過去分詞如果是建議，要求，命令(sugges,14,6.To make the crossin
13、g between these two great countries seemed,as if,it would take no time at all.,本句中,to do,作主語，,as if,引導(dǎo)的表語從句。,as if/as though,引導(dǎo)從句的虛擬語氣用法：,表示,與現(xiàn)在事實(shí)相反，用過去,式（,did,）；,與,過去事實(shí)相反用過去完成式,(,had done,);,與,將來事實(shí)相反用過去將來時(shí)（,would do,),6.To make the crossing betwee,15,It was John who broke the window.Why are you tal
14、king to me as if I,(do)it?,Dont handle the vase as if it,(be)made of steel.,He hoped his month as if,(say)something.,had done,were,to say,It was John who broke the wind,16,7.When he reached the North Pole,he found nothing.,but he,did,meet some scientist.,do/does/did+,動詞原形,結(jié)構(gòu)，,do/does/did,起強(qiáng)調(diào)作用，強(qiáng)調(diào)動詞。
15、,這種,結(jié)構(gòu)只有一般現(xiàn)在時(shí)和一般過去時(shí)兩種，且沒有疑問形式和否定形式。,He does work hard and finishes the work in time.,強(qiáng)調(diào)其他部分用,It is/was+,被強(qiáng)調(diào)部分,+that/who+,其他,7.When he reached the North P,17,把下列句子改為強(qiáng)調(diào)謂語動詞的句式,He feels like going out for a picnic.,Come and see us some day.,Her son got into the bad habit of surfing on the Internet.,(1)
16、He does feel like,going out for a picnic,.,(2)Do come and see us some day.,(3),Her,son did get,into the bad habit of surfing on the Internet.,把下列句子改為強(qiáng)調(diào)謂語動詞的句式(1)He does fe,18,8.The customs office is where your baggage is inspected when you enter or leave a country.,本句是一個主從,復(fù)合句，,where,引導(dǎo)的表語從句，,when,引導(dǎo)的時(shí)間狀語從句。,where,可以引導(dǎo)不同的從句，現(xiàn)將,where,引導(dǎo)從句的用法介紹如下：,8.The customs office is where,19,從句類型,Where,的語法功能,從句的語法功能,地點(diǎn)狀語從句,定語從句,名詞性從句,where,為從屬連詞，引導(dǎo)從句，并在從句中做地點(diǎn)狀語，可換為介詞,+the place,where,表示主句謂語動作發(fā)生的,地點(diǎn),where,為關(guān)系副
人教版選修八-unit1-A-land-of-diversity-句型講解和練習(xí)課件
