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本文(2020-2021学年人教版(2019)高中英语选择性必修1:UNIT 5 WORKING THE LAND LEARNING ABOUT LANGUAGE 课件(共22张PPT) .ppt)为本站会员(高****)主动上传,免费在线备课命题出卷组卷网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知免费在线备课命题出卷组卷网(发送邮件至service@ketangku.com或直接QQ联系客服),我们立即给予删除!

2020-2021学年人教版(2019)高中英语选择性必修1:UNIT 5 WORKING THE LAND LEARNING ABOUT LANGUAGE 课件(共22张PPT) .ppt

1、人教版英语选择性必修第一册Unit 5 Working the land Period 3 Learning about languageDiscover useful structures:Subject clauses在复合句中充当主语成分的从句叫做主语从句。Discover useful structures:Subject clausesWhat Yuan Longping really cared about was not money or celebrity.That Yuan Longping had realised his dream of seawater rice su

2、rprised the whole worldIts surprised the whole world that Yuan Longping had realised his dream of developing seawarer rice.Discover useful structures:Subject clauses主语从句,即在复合句中充当主语成分的句子.That he finished writing the composition in such a short time surprised us all.他在很短的时间内写完作文让我们都很惊讶此复合句主要描述的是某事让我们惊

3、讶,某事就是该复合句的主语,因此“That he finished writing the composition in such a short time”便是该复合句的主语从句。引导主语从句的连词主要有:从属连词:that whether连接代词:who whoever whom whose what whatever which whichever连接副词:when where how why whenever wherever however引导词+主语+动词=主语从句试翻译:我们明天是否会去郊游仍旧未知。tomorrow remains unknown.Whetherwewill g

4、o for an outingDiscover useful structures:Subject clauses主语从句的时态不受主句时态的影响和限制,主语从句常作单数。(1)Who will be our monitor hasnt been decided yet.谁当我们的班长尚未决定。(2)Whom we must study for is a question of great importance.“我们为谁而学习”是个很重要的问题。(3)What caused the accident remains unknown.事故的起因是未知的。(4)Whatever you did

5、is right.你做的任何事都是正确的。(5)Whom the watch belongs to is unknown.手表的归属是未知的。(6)What we need is time.我们需要的是时间。(7)What we need are good doctors.我们需要的是好的医生。Discover useful structures:Subject clauses归纳总结:主语从句必须有引导词;主语从句用陈述句语气。连词位于句首不能省略 主语从句大多数情况下视为第三人称单数,但也有例外.主语从句引导词的选择主要是根据从句的结构和意义来选择。如果从句的意义和结构完整,则用that。

6、如果从句的意义和结构不完整,则根据从句的意义和结构选择相应的引导词。练一练:用适当的连词填空_ bag it is cannot be told._ India needs is a law to make land ownership fairer.It is not yet decided _ cash crop will be produced next year._ he said was right.WhoseWhatWhat/Whateverwhich/whatDiscover useful structures:Subject clauses比较that/what1._ he w

7、ants is a book.主语从句2._ he wants to go there is obvious.主语从句3._ happened is not clear.主语从句4.This is the best TV_ is made in China.定语从句5.The first museum _ he visited in China was the History Museum.定语从句that 和what 的选用:that 和 what 都可引导主语从句。但是,what除起连接作用外,还在主语从句中充当成分,可做从句的主语、宾语、或表语,相当于the thing(s)that;而

8、that在主语从句中不充当任何成分,只起连接作用。WhatThatWhatthatthatDiscover useful structures:Subject clauses为了使句子保持平衡,常用it来代替主语从句,而把主语从句放到后面,尤其是连词that引导的主语从句常用于此种句式中。常用句型如下:It+be+名词+that 从句It+be+形容词+that从句It+be+动词的过去分词+that从句It+不及物动词+that从句Discover useful structures:Subject clauses1.Its likely/possible/important/necessa

9、ry/clear that 很可能/重要的是/必要的是/很清楚2.Its known/reported/thought/said that 据说/据报道3.It seems/appears/happens that 显然、明显、碰巧.4.Its been announced/declared that 已经通知/宣布5.Its no wonder that难怪/无疑6.Its a pity/a fact/a common knowledge(众所周知)/a common saying(俗话说)thatDiscover useful structures:Subject clauses翻译练习1

10、.他多长时间去看望奶奶取决于他能抽出多少时间。2.那一年有多少人死于饥饿永远也不为人知了。3.所有人都知道火药最初是由中国人发明的。4.造成事故的原因仍旧是个秘密。How often hell go to see his grandmother depends on the time he can spare.How many people died from starvation that year will never be known.It is known to all that the gun powder was first invented by the Chinese.It i

11、s still a mystery what caused the accident.Discover useful structures:Subject clauses下列各句均有一处错误,请改正并分析原因。1.Light travels faster than sound is common knowledge.改:在Light前加That。that虽无词义但引导主语从句位于句首时不能省略。2.If shes coming or not doesnt matter much.改:将If变为Whether。if,whether都可表示“是否”,但if不能引导位于主句之前的主语从句,它可以引导

12、位于主句之后带有形式主语it的主语从句。3.That the professor said is of great importance.改:将That改为What。that引导主语从句时无词义,只起一个连接的作用。What the professor said表示“教授所说的”,said后面还需要一个宾语,就只能用what。Discover useful structures:Subject clauses下列各句均有一处错误,请改正并分析原因。4.Where will the trees be planted has not been decided.改:将will置于trees之后。主语

13、从句要用陈述句语序。5.No matter who breaks the rule will be punished.改:将No matter who变为Whoever。引导让步状语从句时二者可互换,但引导名词性从句时只能用whoever。6.When and where the meeting will be held still remain a question.改:将remain变为remains。主语从句表示单一概念时,谓语要用单数形式。Discover useful structures:Subject clausesDiscover useful structures:Subje

14、ct clausesTranslate the completed sentences into Chinese.1.这些小麦农场主什么时候加入这个试验仍然是一个悬而未决的问题。2.我们如何才能找到一个适合的解决办法来生产足够的粮食同时保持环境安全是我们 要研究的一个重要主题。3.令人多人担忧的是这些化学药品甚至能导致癌症。4.这些蔬菜甚至能通过这种新技术无土种植,令我们所有人都很吃惊。5.生活方式慢节奏而且健康是很多人更愿意住在乡下而不是城里的原因。Discover useful structures:Subject clauses12431.the fact that the vegeta

15、bles look beautiful on the outside 2.the thing that she is unhappy about 3.the way that they are going to spend their retirement 4.the question whether they can live a healthy life Discover useful structures:Subject clausesWhat I have forgottenisItWhosehas notDiscover useful structures:Subject claus

16、esCombine each pair of sentences using the word in brackets.1.Can we control pests without causing any ill effects?This still remains a question.(Whether)2.Agriculture is the foundation of our country.This is well known.(It)3.Some less-developed countries are suffering frood shortage.It is a serious

17、 problem in the world.(That)Whether we can control pests without causing any ill effects still remains a question.Its well known that agriculture is the foundation of our country.That some less-developed countries are suffering frood shortage is a serious problem in the world.Discover useful structu

18、res:Subject clausesCombine each pair of sentences using the word in brackets.4.Some herdsmen in Inner Mongolia fix elecronic snesors to their cattle to monitor their movements.It is true that they are doing this.(It)It is true that some herdsmen in Inner Mongolia are fixing elecronic snesors to thei

19、r cattle to monitor their movements.Discover useful structures:Subject clausesMake sentences using subject clauses with the help of the clues.1.he said/reasonable2.she will accept the invitation/not clear yet3.the animals are moving to/not exactly known4.you have recovered from your illness/a grat r

20、elief to us.5.he has become distant recently/my concernWhat he said is reasonable.Where the animals are moving has not been exactly known.That you have recovered from your illness is a great relief to us.Whether she will accept the invitation is not clear yet.Its my concern why he has become distant

21、 recently.Discover useful structures:Subject clausesRewrite the sentences using subject clauses1.We wanted to know where he had lost the laptop.2.The way in which he did the experiemnt was puzzling to other people.3.Do they use too many chemical pesticides?I worry about this most.Whether_Where he ha

22、d lost the laptop was what we wanted to know.How he did the experiemnt was puzzling to other people.Whether they use too many chemical pesticides worries me most.Discover useful structures:Subject clauses4.People are happy to see that the living conditions and income of the farmers have improved a l

23、ot.That_ makes people happy.5.We have not decided on the date for the sports meet.When _ has not been decided on yet.Rewrite the sentences using subject clausesThat the living conditions and income of the farmers have improved a lot makes people happy.When we will have the sports meet has not been decided on yet.人教版英语选择性必修第一册

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