高一英语必修三Unit4课文主语从句Microsoft PowerPoint 幻灯片
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人教高中英语必修3Unit4 Grammar The subject clause主语从句(共29张PPT)
1）主语从句在句首只能用whether, 有it作形式主 Conclusion: 语时whether/if都可以。
2）whether/if 在从句中不充当句子成分，
但有意义“是否”，不能省略。
3.连接代词和连接副词的用法：
1）连接代词：what (whatever ) ，who( whoever) ， which (whichever)，whom，whose .可以在从句中作主语，宾语表语。
* If we will have a meeting hasn’t been
decided yet. ×
Pay attention:放在主语从句句首，表示“是 否”时，只能用whether, 不能用if
Correct or not?
10
What
*That party
she will
wants to be held .
It is certain that price will go up .
3. That they are badly in need of help is quite clear.
It is quite clear that they are badly in need of help.
Pick up one number and finish the task in it, then you can get some scores.
3.How did dinosaurs die out is still a mystery.
dinosaurs died out Conclusion: 从句必须用陈述语序。
注意: 由that 引导的主语从句有时为了使句子结构平衡,
避免 “头重脚轻”, 常用 it 作形式主语, 而把从句放在 后面。 例如:
人教高中英语必修3Unit4主语从句课件(共24张PPT)
All in all, how we can improve our English grades depend on whether hard we work.
宾从、表从复习 • 1) I think t_h_a__t you are helpful and _t_h_a_t_ you
are a good friend.
• 2) Humans are curious about _h_o__w__ life began
on the earth.
• 3）My suggestion is _th__a_t_ we should read the
English texts every day.
• 4) Fighting for our dreams is _w__h_e_r_e_ the
What is more important is we should have a positive attitude to studying English. Everyone can make mistakes is possible. Thus, enjoy lose face and you’ll have more chances to improve your English quickly.
• 3)._W__h_e_t_h_e_r_ we will get good grades depends on whether we work hard表. “是否”只用whether
• 4) __W__h_y___ he didn’t come yesterday is unknown.
Exercise:
• 5). __W_h_o____ will take the place of Mr. White as the new CEO is being discussed .
宾从、表从复习 • 1) I think t_h_a__t you are helpful and _t_h_a_t_ you
are a good friend.
• 2) Humans are curious about _h_o__w__ life began
on the earth.
• 3）My suggestion is _th__a_t_ we should read the
English texts every day.
• 4) Fighting for our dreams is _w__h_e_r_e_ the
What is more important is we should have a positive attitude to studying English. Everyone can make mistakes is possible. Thus, enjoy lose face and you’ll have more chances to improve your English quickly.
• 3)._W__h_e_t_h_e_r_ we will get good grades depends on whether we work hard表. “是否”只用whether
• 4) __W__h_y___ he didn’t come yesterday is unknown.
Exercise:
• 5). __W_h_o____ will take the place of Mr. White as the new CEO is being discussed .
人教必修三 Unit4 主语从句详细讲解课件56PPT
that 只有引导定从才做成分
• 5．what与that在引导主语从句时的区别 • what引导主语从句时在从句中充当成分，如
主语、宾语、表语等；that则不作任何成分， 只起连接作用。
• ①What has made him mad is not known yet. • (what在从句中作主语) • ②What you said yesterday is right. • (what在从句中作said的宾语) • ③That she is still alive is a consolation. • (that不作任何成分)
(引导名词性从句的关联词):
从属连词 that, whether, if，
(不作成分）
连接代词 what, who, whom, （作成分） whose, which, wh+ever 连接副词 when, where,why,how
（作状语）
9
1.引导词 that
that放在句首引导主语从句，在主语从句中 不充当任何成分也无实际意义。但是不能省略。
It + be + 名词 ＋ that从句
It is a pity that… It is a surprise that …. It is a fact that……
遗憾的是…… 令人惊奇的是…… 事实是……
It + 不及物动词 ＋ that从句
It appears/seems that… 似乎……
★_W__h_a_t he offers is what I need.
★ _W__h_at__ they are most interested in is
how they can produce more and better cars.
人教高中英语必修3Unit4Subject-clause主语从句 (共25张PPT)
Faced with the failure in our life, what should we do?
What we should do is to……
What doesn’t kill you makes you stronger, stand a little taller.
What doesn’t kill you makes you a fighter.
called 《American Idol 》.
Summary1:
• 定义：主语从句是在复合句 中充当_____的从句。
• 主语从句要________ 语序。
Task2: (1)Complete the sentences:
• 1.W__h_at_ is important in our life is to have a great aim. 生活中重要的事情是有一个伟大的目标。
that
a
sparrowcana Nhomakorabeasofly
in
That they learn English so well is no wonder.
It is no wonder that they learn English so well.
On April 1st,2017 ,that China will establish (建立）
Summary 4:
一般来说，主语从句都是位于 _句_首___,但有时为了使句子 _________,避免“头重脚轻”,常 用___ 作形_式_主__语___,从而把主语从 句放到后面。
常用句型：
It is +adj. +that…… It is + n. + that…… It is + 过去分词 + that …… It happens/appears/seems/occurred to sb. that……
What we should do is to……
What doesn’t kill you makes you stronger, stand a little taller.
What doesn’t kill you makes you a fighter.
called 《American Idol 》.
Summary1:
• 定义：主语从句是在复合句 中充当_____的从句。
• 主语从句要________ 语序。
Task2: (1)Complete the sentences:
• 1.W__h_at_ is important in our life is to have a great aim. 生活中重要的事情是有一个伟大的目标。
that
a
sparrowcana Nhomakorabeasofly
in
That they learn English so well is no wonder.
It is no wonder that they learn English so well.
On April 1st,2017 ,that China will establish (建立）
Summary 4:
一般来说，主语从句都是位于 _句_首___,但有时为了使句子 _________,避免“头重脚轻”,常 用___ 作形_式_主__语___,从而把主语从 句放到后面。
常用句型：
It is +adj. +that…… It is + n. + that…… It is + 过去分词 + that …… It happens/appears/seems/occurred to sb. that……
人教高中英语必修3Unit4主语从句 (共39张PPT)
结论： what 引导的从句做主语时，谓语的单复数取决它的__表__语____.
拓展
That we can’t go to see the movie is a pity. It is a pity that we can’t go to see the movie.
形式主语
形式主语常用句型
It + be + 名词 ＋ that从句
teacher. 3. _W__h__e_t_h_e_r_ he will join us or not makes no difference.
随堂自测 单句改错
1. When the meeting will be held have not been known
yet.
has
2. That he said made me very angry. What
5. What he has said is true. （从句）
结论：（1）主语是句子说明的人或事物，一般放在__句__首________. （2）在句子中充当_____主__语_____的从句就是主语从句。.
Deal with Learning Plan
找出下列句子中的主语从句
1. That he will pass the exam is certain. 2. Whether he will pass the exam is uncertain. 3. Who will go makes no difference. 4. What we need is more time. 5. Which book I shall choose hasn’t been decided.
3. That is said that Tom never eats meat. It
拓展
That we can’t go to see the movie is a pity. It is a pity that we can’t go to see the movie.
形式主语
形式主语常用句型
It + be + 名词 ＋ that从句
teacher. 3. _W__h__e_t_h_e_r_ he will join us or not makes no difference.
随堂自测 单句改错
1. When the meeting will be held have not been known
yet.
has
2. That he said made me very angry. What
5. What he has said is true. （从句）
结论：（1）主语是句子说明的人或事物，一般放在__句__首________. （2）在句子中充当_____主__语_____的从句就是主语从句。.
Deal with Learning Plan
找出下列句子中的主语从句
1. That he will pass the exam is certain. 2. Whether he will pass the exam is uncertain. 3. Who will go makes no difference. 4. What we need is more time. 5. Which book I shall choose hasn’t been decided.
3. That is said that Tom never eats meat. It
高一英语必修三Unit4课文主语从句Microsoft PowerPoint 幻灯片
翻译：更为重要的是，地球冷却了下来， 地球的表面就开始出现了水。
It 是形 式主语
It was not immediately obvious
主语从句
that water was to be fundamental that water was to be fundamental to the of life. (L18-20) todevelopment the development of life. 句子可改为：
主语从句
Sowhether whether life will continue life will continue on on thethe earth for millions years to tocome come will earth for millions of years depend on whether this problem can be solved.（L50-51） 翻译：所以，在未来的数百万年中，生命 能否在地球上延续取决于这个问题能否得 到解决。
（L21-25）
翻译：很多科学家相信，由于地球上长期 有水存在，使地球得以把有害气体和酸性 物质溶解在海洋里。
主语从句
Why disappeared still Whythey they suddenly suddenly disappeared remains a mystery.(L41-42) 它们为什么会突然灭绝至今仍是个谜。
That water was to be fundamental to the development of life was not immediately obvious. 水对生命的发展会起到关键作用，这一点在 当时并entists scientists believe What believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.
人教版高中英语必修三单元四Unit4主语从句(共16张PPT)
When and where he was born is not clear.
他何时何地出生的还不清楚。
When they will start and where they will go have not been decided yet.
他们将在什么时间动身以及要去哪里还没有定 下来。
1. It is likely that he is the winner of this game.
•
3.It＋be＋过去分词＋that从句
(said, reported, thought, expected, believed等) It is said that Mr.Green has arrived in Beijing.
据说格林先生已抵达北京。
4.It＋不及物动词＋that从句
(seem, happen等) It happened that I was out that day.
•
4、All that you do, do with your might; things done by halves are never done right. ----R.H. Stoddard, American poet做一切事都应尽力而为，半途而废永远不行6.17.20216.17.202110:5110:5110:51:1910:51:19
主语从句
一、定义 主语从句是在复合句中作句子的主语。
What I want is a new bicycle. 我想要的是一辆新自行车。
二、主语从句的引导词
1. 连词that, whether (1)that在从句中不作成分,无词义,不能省略 That she could come to help us made us very happy.
他何时何地出生的还不清楚。
When they will start and where they will go have not been decided yet.
他们将在什么时间动身以及要去哪里还没有定 下来。
1. It is likely that he is the winner of this game.
•
3.It＋be＋过去分词＋that从句
(said, reported, thought, expected, believed等) It is said that Mr.Green has arrived in Beijing.
据说格林先生已抵达北京。
4.It＋不及物动词＋that从句
(seem, happen等) It happened that I was out that day.
•
4、All that you do, do with your might; things done by halves are never done right. ----R.H. Stoddard, American poet做一切事都应尽力而为，半途而废永远不行6.17.20216.17.202110:5110:5110:51:1910:51:19
主语从句
一、定义 主语从句是在复合句中作句子的主语。
What I want is a new bicycle. 我想要的是一辆新自行车。
二、主语从句的引导词
1. 连词that, whether (1)that在从句中不作成分,无词义,不能省略 That she could come to help us made us very happy.
人教版高中英语必修三课件：Unit4主语从句(共23张PPT)
13、He who seize the right moment, is the right man.谁把握机遇，谁就心想事成。21.8.2521.8.2504:38:2904:38:29August 25, 2021
•
14、谁要是自己还没有发展培养和教育好，他就不能发展培养和教育别人。2021年8月25日星期三上午4时38分29秒04:38:2921.8.25
{ 导 主语 His job is important. What he does is important. 主语从句的定义：
在句中充当主语的从句叫做主语从句。
Subject Clauses 主语从句
思Task1: Find the sentences which are subject clause in the reading passage, then underline the subject clauses.
• ①It+be+__形__容__词____+that从句
(obvious, true, natural, surprising, wonderful, possible, likely, certain, probable)
• Eg:显然他撒谎了。
___It__w_a_s__o_b__v_i_o_u_s__t_h_a_t_h__e_t_o_l_d__a_l_i_e_.______
down, water began to appear on its surface. • 4. It was not immediately obvious that water was to be
fundamental to the development of life. • 5.What many scientist believe is that the continued
人教高中英语必修3Unit4Grammar PPT课堂课件(15页)
人教高中英语必修3Unit4Grammar PPT课堂课件(15页)（ -精精品品P） PT课件
1.主语从句 定义_____。
5.that引导主语从句时____ 翻译;___作成分;___省略。
2. 主语从句不缺
成分时由______ 总
引导；缺少主语、
宾语、表语、定 结
语时由______引
导；缺少状语时 由______引导。
can be solved.
人教高中英语必修3Unit4Grammar PPT课堂课件(15页)（ -精精品品P） PT课件
人教高中英语必修3Unit4Grammar PPT课堂课件(15页)（ -精精品品P） PT课件
练习二 单句改错：
1. WWhhicaht he said at the meeting is reasonable.
人教高中英语必修3Unit4Grammar PPT课堂课件(15页)（精品）
我想介绍的就是这部热播电视剧。 _W__h__a_t _I_w_a_n__t _to__in__tr_o_d_u_c_e__ is the hit TV show.
人教高中英语必修3Unit4Grammar PPT课堂课件(15页)（精品）
3. 主语从 句的分类 _______。
人教高中英语必修3Unit4Grammar PPT课堂课件(15页)（ -精精品品P） PT课件
4.主语从句若 是疑问句，应 使用____语序
9.“It+be+动 词的过去分 词+主语从 句”句式中， 如果分词是 表示“建议、 命令、要求” 等含义的词，
从句谓语动 词使用____。
人教高中英语必修3Unit4Grammar PPT课堂课件(15页)（ -精精品品P） PT课件
人教高中英语必修3Unit4主语从句 (共22张PPT)
要求：1.独立完成，限时1分钟； 2.合作交流，将小结写在学案纸上，以便
老师检查和展示，限时2分钟。
Period 4 Subject Clause （主语从句）
高效展示 1 要求： 1.举手抢题，派代表实物投 影展示答案，并解说，声音 艺要洪亮，表达要清晰。
2.其他同学注意观察、倾听， 做好订正补充的准备。
3、主语从句连接词及它们的用法 ----- 从句缺什么意思就用相应意思的连接词
主语从句 的连接词
某些连接词加-ever
小结3：主语从句的结构（留意句子3、8、9）
主语从句的结构
连接词 + 句子 连接词 + 谓语+其它
Period 4 Subject Clause （主语从句） 【当堂训练 1】
内容：通过观察理解主语从句的结构 任务：用横线划出句中的主语从句
要求：独立完成，限时3分钟
Period 4 Subject Clause （主语从句）
Period 4 Subject Clause （主语从句）
【当堂训练 2】
内容：在语境中正确使用连接词 任务：用正确的连接词填空 要求：小组讨论完成
将答案写在横线上，以便老师检查和展示。 限时8分钟。
Period 4 Subject Clause （主语从句）
高效展示 4 要求： 1.举手抢答，说出答案，声 音要洪亮，表达要清晰。
2).3). To find your way can be a problem.
4). Smoking is harmful to you. 5). What she said is not yet known. 6). That we shall be late is certain.
老师检查和展示，限时2分钟。
Period 4 Subject Clause （主语从句）
高效展示 1 要求： 1.举手抢题，派代表实物投 影展示答案，并解说，声音 艺要洪亮，表达要清晰。
2.其他同学注意观察、倾听， 做好订正补充的准备。
3、主语从句连接词及它们的用法 ----- 从句缺什么意思就用相应意思的连接词
主语从句 的连接词
某些连接词加-ever
小结3：主语从句的结构（留意句子3、8、9）
主语从句的结构
连接词 + 句子 连接词 + 谓语+其它
Period 4 Subject Clause （主语从句） 【当堂训练 1】
内容：通过观察理解主语从句的结构 任务：用横线划出句中的主语从句
要求：独立完成，限时3分钟
Period 4 Subject Clause （主语从句）
Period 4 Subject Clause （主语从句）
【当堂训练 2】
内容：在语境中正确使用连接词 任务：用正确的连接词填空 要求：小组讨论完成
将答案写在横线上，以便老师检查和展示。 限时8分钟。
Period 4 Subject Clause （主语从句）
高效展示 4 要求： 1.举手抢答，说出答案，声 音要洪亮，表达要清晰。
2).3). To find your way can be a problem.
4). Smoking is harmful to you. 5). What she said is not yet known. 6). That we shall be late is certain.
高一英语必修三 UNIT 4课文详解ppt课件
3.After that, atoms began to form and combine to create stars and other bodies. 然后，原子开始形成并结合成恒星和其他天体。
2
3
4
5
Par 2
1.For several billion years after the "Big Bang", the earth was still just a cloud of dust. 大爆炸后好几十亿年过去了，但地球还 只是一团尘埃。
2.It was not immediately obvious that water was to be fundamen tal to the development of life. 水对于生命的发展会起关键作用， 这一点在当时并不明显。
3.What many scientists believe is that the continued presence of
6.They produced young entirely by laying eggs. 他们一般是通过 孵蛋而繁衍后代的。
7.After that, some huge animals, called dinosaurs, developed. 再 后来一些叫做恐龙的巨型动物出现了。
8.They laid eggs too and existed on the earth for more than 140 million years. 他们也生蛋，在地球上生存了一亿四千多万年。
live on land as well as in the water. 随后，陆地上出现了动物，
其中有一些是昆虫，另外一些叫两栖动物，他们既能在陆上生活
2
3
4
5
Par 2
1.For several billion years after the "Big Bang", the earth was still just a cloud of dust. 大爆炸后好几十亿年过去了，但地球还 只是一团尘埃。
2.It was not immediately obvious that water was to be fundamen tal to the development of life. 水对于生命的发展会起关键作用， 这一点在当时并不明显。
3.What many scientists believe is that the continued presence of
6.They produced young entirely by laying eggs. 他们一般是通过 孵蛋而繁衍后代的。
7.After that, some huge animals, called dinosaurs, developed. 再 后来一些叫做恐龙的巨型动物出现了。
8.They laid eggs too and existed on the earth for more than 140 million years. 他们也生蛋，在地球上生存了一亿四千多万年。
live on land as well as in the water. 随后，陆地上出现了动物，
其中有一些是昆虫，另外一些叫两栖动物，他们既能在陆上生活
人教版高中英语必修三unit4语法(9张PPT)
*__It_i_s_r_e_p_o_r_t_e_d_t_h_a_t___(据报
道)20peoplewerekilledintheaccident.
*_I_ti_s_s_u_g__g_e_s_t_e_d_t_h_a_t_____(建
议)weshouldeatmorevegetableanddomoreex
e注rc意is3e：. 主语为从句时，谓语动词一般要用单数形 式；但如果what引导的从句做主语，并且代表复 数概念（常可从表语上看出），则谓语动词常用 复数形式
Whatweneed___i_s____water.我们所需要的是水。 Whatweneed________usefulbooks.我们所需要 的是一些有用的书a。re
高中英语课件
madeofcanruohanxing
SubjectClauses 主语从句
1.主语从句概念 主语从句就是从句在主句中作主语的名词性从句。
2.ConjunctionsofNounClauses(引导主语从句的
关联词):
从属连词 that,whether,（注意if不 (不作成分） 能引导）
连接代词 wቤተ መጻሕፍቲ ባይዱat,who,which,whom, （作成分） whose,wh+ever
连接副词 （作状语） when,where,how,why
3.主语从句注意事项
注意1：that在从句中只起连接作用，不充当句子 成分，且本身无实际意义。
whether在从句中起连接作用，不充当句子成分， 不能用if代替.
It’sapity/ashame//afact/goodnews/nowonder/ acommonknowledge…that…(遗憾的是/事实是/ 好消息//难怪/众所周知）
人教版高一英语必修三unit4 grammar -主语从句 公开课(共20张ppt)
It
Summary
1. 如何划定主语从句？（位置） 2. That引导主语从句意义及成分 3. What引导主语从句意义及成分 4. 如何选用连接词？ ① 找到谓语，确定从句 ② 根据句意直接选择（例如whether），或者分析从句成分，不缺
成分用that，缺主要成分用连接代词，缺状语用连接副词。
1. 连词that在从句中无实际意义，但放在句首不能省略。 改错：He will win is certain.
That
常犯错误：遗漏that。 注意： 主语从句的连接词不能省略，缺什么成分 补什么成分，不缺成分用that
2. Whether可以引导主语从句，但if不能。 3. 主语从句放在句末时，句首用形式主语it代替。 改错：He is said that he has gone to America.
• It hasn’t been decided yet when the new restaurant will open. • It is still not clear how gold was found here. • It is hard to understand why there is gravity. • It is a pity that you have to leave so soon.
talk about
the use of cell phone
What they are talking about is the use of cell phone.
Step 3 It作形式主语
勾出主语从句，并完成下列句子转换 • 1）That the earth is round is true. = It is true
________________________. • 2) Whether he will come hasn’t been decided. = It hasn’t been
Summary
1. 如何划定主语从句？（位置） 2. That引导主语从句意义及成分 3. What引导主语从句意义及成分 4. 如何选用连接词？ ① 找到谓语，确定从句 ② 根据句意直接选择（例如whether），或者分析从句成分，不缺
成分用that，缺主要成分用连接代词，缺状语用连接副词。
1. 连词that在从句中无实际意义，但放在句首不能省略。 改错：He will win is certain.
That
常犯错误：遗漏that。 注意： 主语从句的连接词不能省略，缺什么成分 补什么成分，不缺成分用that
2. Whether可以引导主语从句，但if不能。 3. 主语从句放在句末时，句首用形式主语it代替。 改错：He is said that he has gone to America.
• It hasn’t been decided yet when the new restaurant will open. • It is still not clear how gold was found here. • It is hard to understand why there is gravity. • It is a pity that you have to leave so soon.
talk about
the use of cell phone
What they are talking about is the use of cell phone.
Step 3 It作形式主语
勾出主语从句，并完成下列句子转换 • 1）That the earth is round is true. = It is true
________________________. • 2) Whether he will come hasn’t been decided. = It hasn’t been
人教高中英语必修3Unit4The Subject Clause课件(共20张PPT)
that+完整句=名词
Summary:
1. that 连接主句和从句；
2. 在从句中不充当成分；
3. 无含义；不可以省略。
whether 1. Whether she will agree with us
is not clear.
2. Whether you will succeed or
not is very important to me.
what,who,whom,whose,which
1. Who will take part in the meeting has not been decided.
2. What we need is more practice. 3. Whom we must study for is a question
2. Where she is from is mysetery. 3. How he became a great scientist is
known to us. 4. Why so many people prefer to live
in the city is beyond me.
总结：连接副词在主语从句中要作状语。
句子作主语,叫主语从句
指示代词作主语
This is a fact.
That smoking is harmful to our health is a fact.
句子作主语,叫主语从句
主语从句的引导词
类别 从属连词 连接代词 连接副词
连接词 that,whether,if who,whom,whose,which,what when,where,how,why
of great importance. 4. Which team will win the game is not
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翻译：更为重要的是，地球冷却了下来， 地球的表面就开始出现了水。
It 是形 式主语
It was not immediately obvious
主语从句
that water was to be fundamental that water was to be fundamental to the of life. (L18-20) todevelopment the development of life. 句子可改为：
unit 4 Astronomy： the science of the stars
How Life Began On The Earth
找出课文中的主语从句
主语从句
What itwas wasto to become was uncertain until What it become betweeen 4.5 and 3.8 billion years ago when the intoa asolid solid globe. when thedust dust settled settled into globe (L6-8) 定语从句 随后它会变成什么没人能知道，直到38~45亿 年前，这团尘埃才慢慢地形成一个固体的球状 物。
主语从句
Sowhether whether life will continue life will continue on on thethe earth for millions years to tocome come will earth for millions of years depend on whether this problem can be solved.（L50-51） 翻译：所以，在未来的数百万年中，生命 能否在地球上延续取决于这个问题能否得 到解决。
翻译：不知道这个固体形状是否会继续存在下去。
主语从句
What is What iseven evenmore more important important is that as the earth cooled down, water began to appear on its surface.（L13-15）
It 是形式 主语
It was not clear
主语从句
whether the shape would last or not. (L9-10) whether the shape would last or not 句子可改为
Whether the shape would last or not was not clear.
That water was to be fundamental to the development of life was not immediately obvious. 水对生命的发展会起到关键作用，这一点在 当时并不明显。
主语从句
Whatmany manyscientists sciehat the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.
（L21-25）
翻译：很多科学家相信，由于地球上长期 有水存在，使地球得以把有害气体和酸性 物质溶解在海洋里。
主语从句
Why disappeared still Whythey they suddenly suddenly disappeared remains a mystery.(L41-42) 它们为什么会突然灭绝至今仍是个谜。