Unit 5 Discover useful structures(名词性从句之主语从句) (ppt课件)-2022新人教版(2019)《高中英语》选择性必修第一册.pptx
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- 高中英语 Unit Discover useful structures名词性从句之主语从句 ppt课件_2022新人教版2019高中英语选择性必修第一册 structures 词性 从句 下载 _选择性必修第一册_人教版(2019)_英语_高中
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1、Grammar4.To find your way can be a problem.3.Smoking is bad for you.1.Jane works hard.5.Being elected as monitor is an honor.6.What she said is not yet known.7.That we shall be late is certain.8.It is certain that we shall be late.Subject(主语)(主语)2.You are a student.3.The old should be respected.(名词)
2、(代词)(名词化的形容词)(不定式)(动名词)(句子)(动名词)单句语法填空(1)(教材教材P50)However,concerned him most was farm-ers often had poor harvests and sometimes even had a serious shortage of food to eat.(2)(教材教材P50)this could be done was a challenging question at thetime.whatthatHow(3)(教材P50)However,it was possible to develop a hy
3、brid of self-pollinating plants such as rice was a matter of great debate.(4)(教材P50)Today,is estimated about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains,and his strains have allowed Chinas farmers to produce around 200 million tons of ri
4、ce per year.(5)(教材P51)impresses people most about Yuan Longping is his on-going ability to fulfil his dreams.whetheritthatWhatWhat doesnt kill you makes you stronger!What doesnt kill you makes you a fighter!Could you find out the Subject Clauses?在复合句中充当主语作 用位 置谓 语 或 系动 词 之 前Time flies.The boy didnt
5、attend school today.What Yuan Longping really cared about was not money or celebrity.That Yuan Longping had realized his dream of dream of seawater rice surprise the whole world.It surprised the whole world that Yuan Longping had realized his dream of developing seawater rice.导 Could you find out th
6、e Subject?作 用位 置谓 语 或 系动 词 之 前在复合句中充当主语学看全解p151-152测1.What caused the serious traffic accident (remain)unknown.2.we shall be late is certain.3.The deadlines and you need to apply depend on the program.4.you need is a great teacher who lets you make mistakes.5.Its possible we all have compromised con
7、versational intelligence.6.I can say for the folks that gave the most,is that they were full of smiles.展评引导主语从句的关联词引导主语从句的关联词从属连词从属连词(不作成分)不作成分)that无词义whether表“是否”。如果用了形式主语it,whether可换成if。如果whether在句首或后面直接跟or not时,不能换成if。连接代词连接代词(作成分)(作成分)what、who、whom、which、wh-+ever,如whoever、whomever、whatever、which
8、ever,whose等在从句中充当主语、宾语、表语、定语等成分连接副词连接副词(作状语)(作状语)when、where、how、why在从句中作时间、地点、方式、原因状语等成分依据依据“缺什么补什么缺什么补什么”原则确定正确的连词。原则确定正确的连词。所谓所谓“缺什么补什么缺什么补什么”是指是指从句从句与与连词连词之间的关系。之间的关系。如果句子中缺如果句子中缺主语主语,指,指人人用用who,指,指物物用用what。如缺如缺宾语宾语,指,指人人用用whom,指,指物物用用what。如缺如缺时间状语时间状语用用when;地点状语地点状语用用where。原因状语原因状语用用why;方式状语方式状语
9、用用how。如缺如缺定语定语用用what或或which或或whose。如如什么都不缺什么都不缺用用that,Whether表表“是否是否”。devote.to.move people to tears Yuan devoted all his life to developing hybrid rice moved all people around the world to tears.ThatThat不做成分,没有意义,不能省略。the boy didnt know the answer made the teacher angry make the teacher angrydidnt
10、know the answerThattackle the situationdepend on his ability He can tackle the situation depends on his ability.ThatWhetherretire to a life of leisureremain to be seen He can retire to a life of leisure remains to be seen.Whetherboost yieldunclear they will boost yield is unclear.Whether从属连词【练一练】1._
11、she left him made him heart-broken.2._ he is still alive is a piece of good news to us.3._ he will come or not is not known yet.4._his family would support him made him worried.5.It doesnt matter _ your home is in a noisy downtown or in the remote countryside.6.Its uncertain _ the experiment is wort
12、h doing.7._ seat belts save lives has been proven once and again.ThatThatwhetherwhether从属连词从属连词(不做成分)(不做成分)that,whetherWhetherWhetherThatattain successunknown He attained success is unknown.How连接副词bomb will explodeworry the man the bomb will explode worries the man.When连接副词【练一练】1.Exactly _ the potat
13、o was introduced into Europe is uncertain,but it was probably around 1565.2._ the delayed flight will take off depends much on the weather.3.It remains a puzzle _ dinosaurs died out suddenly long time ago._ we will go tomorrow hasnt been decided yet.5._ the earth is becoming warm is a good topic for
14、 research.whenWhenwhyWhy连接副词连接副词(作状语)(作状语)when,where,how,whythe cat domade What the cat did made the baby cry.cry连接代词convince him to change his mindarouse my curiosity would convince him to change his mind aroused my curiostity.Who连接代词digest what the teachers teachget higher scorescan digest what th
15、e teachers teach is likely to get higher scores.Whoever连接代词【练一练】1.More than 100 students have entered for the competition,and_ gains the most points will be the winner.2._ bothers me is that I cant keep my mind on the task,but on personal gains or losses.3.Some people believe _ has happened before o
16、r is happening now will repeat itself in the future.4._ seems easy to some people seems difficult to others.whoeverWhatwhatever连接代词连接代词(作主语,宾(作主语,宾语,表语)语,表语)Whatwhat,who,whom,whose,which,wh+ever探寻规律探寻规律1 1:主语从句主语从句 主谓一致主谓一致 问题问题1.Whether the patient will be taken _ unknown.2.When and where the patie
17、nt will be taken _ unknown.3.When the task can be finished and whether he can have a rest _ unknown.4.What he wants most _ staying with his family.What they need _ masks(口罩口罩).主句的谓语动词,大多数使用主句的谓语动词,大多数使用_ (单数?复数?单数?复数?)由两个连接词引导同一个主从,谓动使用由两个连接词引导同一个主从,谓动使用_(单数?复数?单数?复数?)主语为主语为and连接的两个主从时,谓动使用连接的两个主从时,
18、谓动使用_(单数?复数?单数?复数?)what在主从中做宾语时,谓动由在主从中做宾语时,谓动由_决定单复数决定单复数(主语?表语?主语?表语?)单数单数单数单数复数复数表语表语isisareis areComplete the sentences using what,whether,where,when,who,why,how or that.1.(_ is needed for success)is your hard work.3.(_ we will go tomorrow)hasnt been decided yet.2.(_ they will arrive)has been to
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