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人教版 (2019)选择性必修 第一册Unit 5 Working the Land精品ppt课件
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这是一份人教版 (2019)选择性必修 第一册Unit 5 Working the Land精品ppt课件，共24页。PPT课件主要包含了主语从句的定义，that 引导的主从，主语从句，Whether，Which，Whoever，That，what，Whatever，When等内容，欢迎下载使用。
The subject clause
Language pints
1. What cncerned him mst was that farmers ften had pr harvests and smetimes even had a serius shrtage f fd t eat.2. Hw this culd be dne was a challenging questin at the time. 3. Whether it was pssible t develp a hybrid f self-pllinating plants such as rice was a matter f great debate.4. It is estimated that abut 60 percent f dmestic rice cnsumptin in China is cmprised f crps generated frm Yuan’s hybrid strains.5. What impresses peple mst abut Yuan Lngping is his nging ability t fulfil his dreams.
Lk at the sentences belw and state the functins f the nun clauses italicised.
在句子中充当主语的从句就叫做主语从句
在主从复合句中，充当主语的从句是主语从句。它是名词性从句的一种。为了避免主语显得过长，尤其是陈述句作主语从句时，可以用 it 作句子的形式主语，把主语从句移到句子的末尾。What the children in the area starve fr are bks.It is very imprtant that a student shuld learn English well.
The subject clause 1
1.That Yuan Lngping had realised his dream f seawater rice surprised the whle wrld. 2. That the earth is rund is a fact. 3. That English is imprtant is an undubted the mn itself des nt give ff light is cmmn knwledge.5. That the seas are being verfished has been knwn fr years.
1. 从属连词 —— that that 在主语从句中不充当任何成分，无意义，只起连接作用， 不可省略。
1. Whether they will get married is nt decided yet.2. Whether he likes this present is unclear.3. Whether she is cming r nt desn’t matter t much.
The subject clause 2
2. 从属连词 —— whether 、 if whether/ if 不充当成分，有意义，译为是否。 当主语从句在句首时，不能用if引导，此时，只能用whether。
1. What she did is nt yet knwn. 2. Wh will g t the cncert is nt knwn. 3. Which bk they will chse is nt clear. 4. Whever cmes is welcme. 5. Whichever f yu cmes in first will receive a prize.
The subject clause 3
3. 连接代词连接代词wh, whm, whse, what, which, whever, whatever, whichever引导主语从句时，在句中起连接作用，又在从句中充当主语、宾语、表语、定语，有意义且不可省略。
1. When we arrive desn’t matter. 2. When the meeting is t be held has nt yet been decided. 3. Why he refused t cperate with us is still a a persn masters his fate is mre imprtant than what his fate is.
The subject clause 4
4.连接副词 连接副词when; where; hw; why引导主语从句时，既是连接词，又做状语，有意义且不可省略。when在主语从句中充当时间状语。where在主语从句中充当地点状语。hw在主语从句中充当方式状语。why在主语从句中充当原因状语。
1. That light travels in straight lines is knwn t all.2. When the plane is t take ff has nt been annunced.3. That he desn’t understand French is bvius. 4. That the earth is rund is a fact.
The subject clause 5
It is knwn t all that light travels in straight lines.
It has nt been annunced when the plane is t take ff.
It is bvius that he desn’t understand French.
It is a fact that the earth is rund.
5. 为避免头重脚轻，常用 it作形式主语置于句首，真正的主语从句后置。
1. It is reprted that n passengers were injured in the accident. 2. It’s well-knwn that the earth mves rund the sun. 3. It’s said that Mr Green has arrived in Lndn. 4. It is suggested that the meeting (shuld) be put ff. 5. It was rdered that we (shuld) arrive there in half an hur.
The subject clause 6
6. It be + 过去分词 + that 从句it 为形式主语，that 从句作真正的主语；类似的过去分词有：believed, thught, demanded, hped, discussed, expected 等。
It is reprted that ...（据报道……）It is believed that ...（人们相信……） It is generally thught that …（人们普遍认为……）It has been fund that ...（现已发现……）It shuld be nted that …（应当注意……）It must be pinted ut that …（必须指出……）
It is + 过去分词 + that 从句主要句型
1. It is bvius that yu’ve made a big mistake. 2. It is likely that he can’t cme t the party tnight. 3. It is true that English is becming an internatinal language.4. It is necessary that yu (shuld) master sme cmputer skills.
The subject clause 7
7. It be + adj + that 从句：it 为形式主语，that 从句作真正的主语；类似的形容词有：strange, natural, bvius, true, wnderful, pssible, evident, surprising 等。
1. It is cmmn knwledge that the whale is nt a fish. 2. It is a shame that yu did nt pass the test. 3. It is a great pity that yu missed the film. 4. It is n wnder that yu are s tired. 5. It is a miracle that he can recver frm the serius illness.
The subject clause 8
8. It be + n + that 从句：it 为形式主语，that 从句作真正的主语；类似的名词有：pity, surprise, news, wnder, shame, knwledge, miracle 等
It is gd news that ... (……真是太好了) It is n wnder that ... (难怪…… )It is a shame that ... (遗憾的是……；……真是太不像话了)It is cmmn knwledge that ... (……是常识)It is a miracle that ... (……真是个奇迹)
It be + 名词 + that 从句主要句型
that 在句中不作成分，无含义，不可省
whether 引导的主从
whether 引导主从，有“是否”含义，不可省
连接代词和连接副词引导的主从
连接代词和连接副词在从句中有含义，且充当主、宾、定、状等成分
it 作形式主语，从句为真正的主语
It is + 过去分词 + that 从句
It is + 形容词 + that 从句
It is + 名词 + that 从句
1. ________ he attended the meeting r nt wasn’t quite clear. 2. ________ team will win the match is still unknwn. 3. __________ cmes t the activity will receive a present. 4. ________ he figured ut a way t slve the prblem successfully surprised us all.5. We usually think ________ we can’t get seems better than what we have.
The subject clause: Instant Practice
6. _________ we d is t serve the peple. 7. _________ they will cme hasn’t been made public. 8. _________ surprised me mst was _________ the little by did s well in the cmpetitin. 9. It is _________ (reprt) that the river has becme clear and clean.
Imprtant phrases (P52 ~ P53)
The subject clause
Language pints
1. What cncerned him mst was that farmers ften had pr harvests and smetimes even had a serius shrtage f fd t eat.2. Hw this culd be dne was a challenging questin at the time. 3. Whether it was pssible t develp a hybrid f self-pllinating plants such as rice was a matter f great debate.4. It is estimated that abut 60 percent f dmestic rice cnsumptin in China is cmprised f crps generated frm Yuan’s hybrid strains.5. What impresses peple mst abut Yuan Lngping is his nging ability t fulfil his dreams.
Lk at the sentences belw and state the functins f the nun clauses italicised.
在句子中充当主语的从句就叫做主语从句
在主从复合句中，充当主语的从句是主语从句。它是名词性从句的一种。为了避免主语显得过长，尤其是陈述句作主语从句时，可以用 it 作句子的形式主语，把主语从句移到句子的末尾。What the children in the area starve fr are bks.It is very imprtant that a student shuld learn English well.
The subject clause 1
1.That Yuan Lngping had realised his dream f seawater rice surprised the whle wrld. 2. That the earth is rund is a fact. 3. That English is imprtant is an undubted the mn itself des nt give ff light is cmmn knwledge.5. That the seas are being verfished has been knwn fr years.
1. 从属连词 —— that that 在主语从句中不充当任何成分，无意义，只起连接作用， 不可省略。
1. Whether they will get married is nt decided yet.2. Whether he likes this present is unclear.3. Whether she is cming r nt desn’t matter t much.
The subject clause 2
2. 从属连词 —— whether 、 if whether/ if 不充当成分，有意义，译为是否。 当主语从句在句首时，不能用if引导，此时，只能用whether。
1. What she did is nt yet knwn. 2. Wh will g t the cncert is nt knwn. 3. Which bk they will chse is nt clear. 4. Whever cmes is welcme. 5. Whichever f yu cmes in first will receive a prize.
The subject clause 3
3. 连接代词连接代词wh, whm, whse, what, which, whever, whatever, whichever引导主语从句时，在句中起连接作用，又在从句中充当主语、宾语、表语、定语，有意义且不可省略。
1. When we arrive desn’t matter. 2. When the meeting is t be held has nt yet been decided. 3. Why he refused t cperate with us is still a a persn masters his fate is mre imprtant than what his fate is.
The subject clause 4
4.连接副词 连接副词when; where; hw; why引导主语从句时，既是连接词，又做状语，有意义且不可省略。when在主语从句中充当时间状语。where在主语从句中充当地点状语。hw在主语从句中充当方式状语。why在主语从句中充当原因状语。
1. That light travels in straight lines is knwn t all.2. When the plane is t take ff has nt been annunced.3. That he desn’t understand French is bvius. 4. That the earth is rund is a fact.
The subject clause 5
It is knwn t all that light travels in straight lines.
It has nt been annunced when the plane is t take ff.
It is bvius that he desn’t understand French.
It is a fact that the earth is rund.
5. 为避免头重脚轻，常用 it作形式主语置于句首，真正的主语从句后置。
1. It is reprted that n passengers were injured in the accident. 2. It’s well-knwn that the earth mves rund the sun. 3. It’s said that Mr Green has arrived in Lndn. 4. It is suggested that the meeting (shuld) be put ff. 5. It was rdered that we (shuld) arrive there in half an hur.
The subject clause 6
6. It be + 过去分词 + that 从句it 为形式主语，that 从句作真正的主语；类似的过去分词有：believed, thught, demanded, hped, discussed, expected 等。
It is reprted that ...（据报道……）It is believed that ...（人们相信……） It is generally thught that …（人们普遍认为……）It has been fund that ...（现已发现……）It shuld be nted that …（应当注意……）It must be pinted ut that …（必须指出……）
It is + 过去分词 + that 从句主要句型
1. It is bvius that yu’ve made a big mistake. 2. It is likely that he can’t cme t the party tnight. 3. It is true that English is becming an internatinal language.4. It is necessary that yu (shuld) master sme cmputer skills.
The subject clause 7
7. It be + adj + that 从句：it 为形式主语，that 从句作真正的主语；类似的形容词有：strange, natural, bvius, true, wnderful, pssible, evident, surprising 等。
1. It is cmmn knwledge that the whale is nt a fish. 2. It is a shame that yu did nt pass the test. 3. It is a great pity that yu missed the film. 4. It is n wnder that yu are s tired. 5. It is a miracle that he can recver frm the serius illness.
The subject clause 8
8. It be + n + that 从句：it 为形式主语，that 从句作真正的主语；类似的名词有：pity, surprise, news, wnder, shame, knwledge, miracle 等
It is gd news that ... (……真是太好了) It is n wnder that ... (难怪…… )It is a shame that ... (遗憾的是……；……真是太不像话了)It is cmmn knwledge that ... (……是常识)It is a miracle that ... (……真是个奇迹)
It be + 名词 + that 从句主要句型
that 在句中不作成分，无含义，不可省
whether 引导的主从
whether 引导主从，有“是否”含义，不可省
连接代词和连接副词引导的主从
连接代词和连接副词在从句中有含义，且充当主、宾、定、状等成分
it 作形式主语，从句为真正的主语
It is + 过去分词 + that 从句
It is + 形容词 + that 从句
It is + 名词 + that 从句
1. ________ he attended the meeting r nt wasn’t quite clear. 2. ________ team will win the match is still unknwn. 3. __________ cmes t the activity will receive a present. 4. ________ he figured ut a way t slve the prblem successfully surprised us all.5. We usually think ________ we can’t get seems better than what we have.
The subject clause: Instant Practice
6. _________ we d is t serve the peple. 7. _________ they will cme hasn’t been made public. 8. _________ surprised me mst was _________ the little by did s well in the cmpetitin. 9. It is _________ (reprt) that the river has becme clear and clean.
Imprtant phrases (P52 ~ P53)
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