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1、关于名词性从句主语从句第一张，PPT共二十九页，创作于2022年6月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第二张，PPT共二十九页，创作于2022年6月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第三张，PPT共二十九页，创作于2022年6月That Tom will win the tennis gam
2、e seems possible.连系动词连系动词表语表语主语从句主语从句主句主句第四张，PPT共二十九页，创作于2022年6月主语从句主语从句：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 第五张，PPT共二十九页，创作于2022年6月由由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 i
3、n straight lines.2.It is known to all.That light 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.第六张，PPT共二十九页，创作于2022年6月由由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 p
4、lan.It is necessary.That every student should have a study plan is necessary.4.Students say hello to their teachers.It is polite.That students say hello to their teachers.is polite.第七张，PPT共二十九页，创作于2022年6月由由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 pit
5、y.That your mother didnt attend the party yesterday is a pity.6.Tom stole his classmates money.It is a fact.That Tom stole his classmates money is a fact.第八张，PPT共二十九页，创作于2022年6月由由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 po
6、ssible.8.Teenagers smoke.It is wrong.That teenagers smoke is wrong.第九张，PPT共二十九页，创作于2022年6月由由 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 po
7、liceman?It is not clear.6.Whether he is a policeman is not clear.7.4.Is the film star happy?It is not clear.8.Whether the film star is happy is not clear.第十张，PPT共二十九页，创作于2022年6月由由 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。第十一张，PPT共二十九页，创作于2022年6月形式主语形式主语
8、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 well.形式主语形式主语真正主语真正主语第十二张，PPT共二十九页，创作于2022年6月第一种第一种：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.等等第十三张，PPT共二十九页，创作于2022年6月形式
9、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 missed 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.第十四张，P
10、PT共二十九页，创作于2022年6月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 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
11、her head-teacher.第十五张，PPT共二十九页，创作于2022年6月第二种第二种：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.It is wrong that等等等等It is+形容词形容词+that第十六张，PPT共二十九页，创作于2022年6月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 st
12、raight lines.That he got a gold medal is real.It is real that he got a gold medal.第十七张，PPT共二十九页，创作于2022年6月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 the 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 w
13、e 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 work before 5 9.oclcok.第十八张，PPT共二十九页，创作于2022年6月第三种：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 h
14、appened.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 wallet 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.
15、第十九张，PPT共二十九页，创作于2022年6月第四种第四种: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 believed that.人们相信人们相信It is thought that.人们认为人们认为.第二十张，PPT共二十九页，创作于2022年6月It+be+过去分词过去分词+that1.That his father has gone to Tianjin is sai
16、d.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 was not round was believed in ancient 6.times.7.It was believed in ancient times that the earth was not 8.round.第二十一张，PPT
17、共二十九页，创作于2022年6月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 works hard.6.That the American president will visit China is reported.It is reported that the American President
18、 will visit China.第二十二张，PPT共二十九页，创作于2022年6月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。中有省略的。第二十三张，PPT共二十九页，创作于2022年6月关系代词：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?
19、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.第二十四张，PPT共二十九页，创作于2022年6月关系代词：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 parents need?It is more experience.What their parents need is more experience.2.W
20、hich 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.第二十五张，PPT共二十九页，创作于2022年6月关系代词：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4.What did he l
21、ose?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.第二十六张，PPT共二十九页，创作于2022年6月关系副词：关系副词：where why when引导主语从句引导主语从句1.Where did he go?It hasnt been known.2.Wh
22、ere 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 is in the park.8.Where he often goes for a walk is in the park
23、.第二十七张，PPT共二十九页，创作于2022年6月关系副词：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.第二十八张，PPT共二十九页，创作于2022年6月感谢大家观看第二十九张，PPT共二十九页，创作于2022年6月