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1、关于名词性从句主语从句现在学习的是第1页，共29页名名词词性性从从句句主主语语从从句句宾宾语语从从句句同同位位语语从从句句表表语语从从句句现在学习的是第2页，共29页主语从句主语从句把两句话合并成一句话把两句话合并成一句话1.Tom will win the tennis game.It seems impossible.That Tom will win the tennis game seems possible.主语主语连系动词连系动词表语表语现在学习的是第3页，共29页That Tom will win the tennis game seems possible.连系动词连系动词表语
2、表语主语从句主语从句主句主句现在学习的是第4页，共29页主语从句主语从句：在主句中在主句中担当主语的是一个从句担当主语的是一个从句，这个从，这个从句就叫主语从句。句就叫主语从句。引导词引导词：从属连词：从属连词：that,whether 关系代词：关系代词：who,whom,what which,whose 关系副词：关系副词：when,where,why 现在学习的是第5页，共29页由由that引导主语从句引导主语从句例句：例句：把两句话合并成一句话把两句话合并成一句话1.Light travels in straight lines.2.It is known to all.That li
3、ght travels in straight lines is known to all.2.We should wash our hands before meals.It is necessary.That we should wash our hands before mealsis necessary.现在学习的是第6页，共29页由由that引导主语从句引导主语从句把两句话合并成一句话把两句话合并成一句话3.Every student should have a study plan.It is necessary.That every student should have a s
4、tudy plan is necessary.4.Students say hello to their teachers.It is polite.That students say hello to their teachers.is polite.现在学习的是第7页，共29页由由that引导主语从句引导主语从句把两句话合并成一句话把两句话合并成一句话5.Your mother didnt attend the party yesterday.It is a pity.That your mother didnt attend the party yesterday is a pity.6
5、.Tom stole his classmates money.It is a fact.That Tom stole his classmates money is a fact.现在学习的是第8页，共29页由由that引导主语从句引导主语从句把两句话合并成一句话把两句话合并成一句话7.There will be rainy tomorrow.It is possible.That there will be rainy tomorrow is possible.8.Teenagers smoke.It is wrong.That teenagers smoke is wrong.现在学习的
6、是第9页，共29页由由 whether（“是否是否”）引导的主语从句引导的主语从句1.Will he go abroad?It is not known.2.Whether he will go abroad is not known.3.2.Will it rain tomorrow?It is not known.4.Whether it will rain tomorrow is not known.5.3.Is he a policeman?It is not clear.6.Whether he is a policeman is not clear.7.4.Is the film
7、star happy?It is not clear.8.Whether the film star is happy is not clear.现在学习的是第10页，共29页由由 whether（“是否是否”）引导的主语从句引导的主语从句在主语从句中只能用在主语从句中只能用 whether（是否是否），），此意此意义时不能用义时不能用 if 替换。替换。现在学习的是第11页，共29页形式主语形式主语It代替代替that 主语从句主语从句That we study English well is necessary.It is necessary that we study English w
8、ell.形式主语形式主语真正主语真正主语现在学习的是第12页，共29页第一种第一种：形式主语形式主语It代替代替that 主语从句主语从句1.It is+名词名词+that 从句从句It is a pity thatIt is a shame that It is a fact that.It is an honor that.等等现在学习的是第13页，共29页形式主语形式主语It代替代替that 主语从句主语从句1.That John won a gold medal is a fact.It is a fact that John won a gold medal.2.That I mis
9、sed the beginning of the film is a pity.It is a pity that I missed the beginning of the film.3.That we will go travelling is good news.It is good news that we will go travelling.现在学习的是第14页，共29页4.That my mother lost her new wallet is a pity.It is a pity that my mother lost her new wallet.5.That Marry
10、 married a blind man is a pity.It is a pity that Marry married a blind man.6.That Marry told a lie to her head-teacher is a surprise.It is a surprise that Marry told a lie to her head-teacher.现在学习的是第15页，共29页第二种第二种：形式主语形式主语It代替代替that 主语从句主语从句It is important thatIt is necessary thatIt is polite that.I
11、t is wrong that等等等等It is+形容词形容词+that现在学习的是第16页，共29页把两句话合并成一句话把两句话合并成一句话例句例句That light travels in straight lines is right It is right that light travels in straight lines.That he got a gold medal is real.It is real that he got a gold medal.现在学习的是第17页，共29页把下列句子用把下列句子用it 做形式主语做形式主语1.That Tom will win t
12、he game is possible.2.It is possible that Tom will win the game.3.2.That we should wash our hands before meals is necessary.4.It is necessary that we should wash our hands5.before meals.6.3.That we must complete this work before 5 oclcock is7.necessary.8.It is necessary that we must complete this wo
13、rk before 5 9.oclcok.现在学习的是第18页，共29页第三种：第三种：形式主语形式主语It代替代替that 主语从句主语从句It+不及物动词不及物动词+that 1)That I met my Geography teacher in the street happened.It happened that I met my Geography teacher in the street.2)That I picked a red wallet on the way to school happened.It happened that I picked a red wall
14、et on the way to school.3)That the manager and the boss went travelling happened.It happened that the manager and the boss went travelling.现在学习的是第19页，共29页第四种第四种:形式主语形式主语It代替代替that 主语从句主语从句It+be+过去分词过去分词+thatIt is said that 据说据说.It is reported that 据报道据报道It is known to all that.众所周知众所周知.It is believe
15、d that.人们相信人们相信It is thought that.人们认为人们认为.现在学习的是第20页，共29页It+be+过去分词过去分词+that1.That his father has gone to Tianjin is said.2.It is said that his father has gone to Tianjin.3.2.That ten persons died in the accident is reported.4.It is reported that ten persons died in the accident.5.3.That the earth
16、was not round was believed in ancient 6.times.7.It was believed in ancient times that the earth was not 8.round.现在学习的是第21页，共29页It+be+过去分词过去分词+that4.That it will rain tomorrow is believed It is believed that it will rain tomorrow.5.That the waiter works hard is thought.It is thought that the waiter w
17、orks hard.6.That the American president will visit China is reported.It is reported that the American President will visit China.现在学习的是第22页，共29页that that 省略问题省略问题That it will rain tomorrow is believed that 放放句首句首不能省略不能省略It is believed that it will rain tomorrow.that 放在放在句尾句尾不省略，但偶尔在不省略，但偶尔在口语口语中有省略的
18、。中有省略的。现在学习的是第23页，共29页关系代词：关系代词：what which who whom等引导主语从句等引导主语从句例句例句Whom did the boy help?She is an old woman.Whom the boy helped is an old woman.Where does he live?It is Beijing.Where he lives is Beijing.现在学习的是第24页，共29页关系代词：关系代词：what which who whom等引导主语从句等引导主语从句把两句话合并成一句话把两句话合并成一句话1.What do their
19、parents need?It is more experience.What their parents need is more experience.2.Which doctors will be sent to Wenchuan?It has not been decided.Which doctors will be sent to Wenchuan hasnt been decided.3.What color does the girl like?It is pink.What color the girl likes is pink.现在学习的是第25页，共29页关系代词：关系
20、代词：what which who whom等引导主语从句等引导主语从句把两句话合并成一句话把两句话合并成一句话4.What did he lose?It is a brown handbag.What he lost is a brown handbag.5.Which teacher will teach the students Geography.It hasnt been decided.Which teacher will teach the students Geography hasnt been decided.现在学习的是第26页，共29页关系副词：关系副词：where w
21、hy when引导主语从句引导主语从句1.Where did he go?It hasnt been known.2.Where he went hasnt been known.3.2.Why is he late for school?It is not clear.4.Why he is late for school is not clear.5.3.When does the plane take off?It is clear.6.When the plane takes off is clear.7.4.Where does he often go for a walk?It i
22、s in the park.8.Where he often goes for a walk is in the park.现在学习的是第27页，共29页关系副词：关系副词：where why when等引导主语从句等引导主语从句1.Why is the baby crying？It has not been known.Why the baby is crying has not been known.2.How should he do it?It is still a problemHow he should do it is still a problem.3.Where did he put the box?It is on the table.Where he put the box is on the table.4.When does his mother go home？It is 5 oclock.When his mother goes home is 5 oclock.现在学习的是第28页，共29页感谢大家观看现在学习的是第29页，共29页