Unit 5 Working the Land 主语从句 课件(共18张PPT)-人教版(2019)选择性必修第一册

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Unit 5 Working the Land 主语从句 课件(共18张PPT)-人教版(2019)选择性必修第一册

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(共18张PPT)
语法来啦
She is a girl who is called Lily.
画横线的为定语从句=adj, 修饰限定名词
She smiles when she sees me.
画横线的为状语从句=adv,说明动词的状态(时间/原因/地点/...
什么是名词?
表示人或事物的名称的词叫名词。
2. 名词在句子当中一般可以作什么成分
The boy is Li Ming.
Mr. Liang , a 24-year-old boy, teaches
us English .
主语
表语
同位语
宾语
在复合句中起名词作用的句子叫名词性从句。名词性从句的功能相当于名词,它在复合句中能充当主语、宾语、表语和同位语。因此根据它在句中不同的语法功能分为:
什么是名词性从句
名词性从句
主语从句 ( The Subject Clause)
宾语从句 ( The Object Clause)
表语从句 ( The Predicative Clause)
同位语从句 ( The Appositive Clause)
及物动词
不及物动词+介词
抽象名词
1.When we shall hold the meeting depends on whether John can return tomorrow.
系动词
2.The problem is when John will come back.
3.We expressed our hope that we could visit the country again.
____从句
_____从句
_____从句
______从句
宾语
主语
表语
同位语
名词性从句(主从)的引导词
一.从属连词
that 、whether 、if
从属连词 词义 在从句中的成分 能否省略
that 无 不充当 不省略(除宾从)
if 是否 不充当 不能省
whether 是否 不充当 不能省
(只连接句子,不充当句子任何成分 )
名词性从句(主从)的引导词
连接代词
what(ever)
who(ever)
whom(ever)
which(ever)
whose
(必须要充当成分,作主/宾/表/定)
连接代词 词义 在从句中的成分 能否省略
what(ever) (无论)什么 主/宾/表/ ×
who(ever) (无论)谁 主/宾/表 ×
whom(ever) (无论)谁 宾 ×
which(ever) (无论)哪一个 定(有范围) ×
whose 谁的 定 ×
名词性从句(主从)的引导词
连接副词
how(ever)
when(ever)
where(ever)
why
(要充当状语)
连接副词 词义 在从句中的成分 能否省略
how(ever) (无论)如何 方式状语 ×
when(ever) (无论)何时 时间状语 ×
where(ever) (无论)在哪 地点状语 ×
why 为什么 原因状语 ×
1. _________she left him made him heart-broken.
2. _________ he is still alive(活着) is a piece of good news to us.
3. _________ he will come or not is not known yet.
4. It is uncertain ____________ he will leave for Beijing tomorrow.
That
That
从属连词 (不做成分)
that, whether,if
Whether
that _______成分,____意义,______省略。
whether _____成分,____意义,译为_____。
if _____成分,____意义,译为_____,不放句首。
不做
是否

不能
不做

whether/if
不做

是否
一.主语从句引导词
1. will take part in the meeting has not been decided.
2. she said is true.
3. book I shall choose hasn’t been decided.
4. breaks the law will be punished.
who在主语从句中充当 ______, 译为 ______。
what在主语从句中充当 ______, 译为 ______。
which在主语从句中充当 ______, 译为 ______。
whoever在主语从句中充当 ______, 译为 ______。
结论:
主语

宾语
什么
定语
哪一个
主语
无论谁
【练一练】
Who
What
Which
Whoever
连接代词
what(ever) , who(ever) ,whom(ever),which(ever) ,whose
1.When the bomb(炸弹) will explode(爆炸) worries the man.
2.Where she is from is unknown(未知的).
3.Why he was late is not important now.
4.How he attained(获得) success is unknown(未知的).
when在主语从句中充当 _______, 译为 ______。
where在主语从句中充当 _______, 译为 ______。
why在主语从句中充当 _______, 译为 _______。
how在主语从句中充当 _______, 译为 _______。
结论:
状语
何时
状语
何地
状语
为何
状语
怎样
连接副词(作状语)
when, where, why , how
That all people work together in the epidemic(疫情) is important.
用一个 It 来解决问题!
It is important that all people work together in the epidemic(疫情).
★主语从句为了避免头重脚轻现象,用it做_______,而把从句放在句子______。
形式主语
后面
二.it在主语从句中的使用
It + be + 名词 + that从句
It is a pity that… 很遗憾… 例子:It is a pity that you can’t join us.
It is a fact that… 事实是…
It + be + 形容词 + that从句
It is obvious that…… 显然...
It is important that …. 重要的是…
It + be + 过去分词 + that从句
It is said that... 据说...
It is known that… 众所周知…
常用句型:
It+特殊不及物动词+that从句
It seems / appears ... that ... 似乎……
It happened (to sb.) that ... (某人)碰巧…
It occurred to sb that... (某人)突然想起...
1. Whether we can go back school ______ unknown.
2. When and where he gets infectious(感染的) _____ 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).
单个从句做主语,大多数使用_______ (单数?复数?)
由两个连接词引导同一个主从,谓动使用_____ (单数?复数?)
主语为and连接的两个主从时,谓动使用_____ (单数?复数?)
what在主从中做宾语时,谓语的单复数取决它后面的表语。
单数
单数
复数
is
is
are
is
are
三.主语从句 主谓一致 问题
通过下列句子中的错误总结规律。
★主语从句一律用______语序,
即从句中主语在前,谓语在后。
正:When he will come is not known.
例1. When will he come is not known.
1.How we go for a picnic should be discussed.
2.How do we go for a picnic should be discussed.

×
【练一练】
四.主语从句的语序
陈述
巧记主语从句
从句作主语,后用单谓语;
莫忘加连词,that不省但无意;
“是否”用whether,其他应用靠翻译;
头重脚轻怎么办?
主语从句往后置,只需形式主语it把它替;
另外别忘记,从句使用陈述的语序。
定 义
主语从句
引导词
形式主语
主谓一致
总 结
作用,位置
从属连词,连接代词,
连接副词
单个主语从句-单数
多个主语从句-复数
①It+be+
形容词/名词短语/过去分词+
that从句(真正主语)
②It +不及物动词+
that从句(真正主语)
语序
陈述语序
1. _______ impresses people most about Yuan Longping is his ongoing ability to fulfil his dreams.
2. The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________ he reaches these limits will depend on his environment. (安徽卷)
3. Every year, _________ makes the most beautiful kite will win a prize in the kite Festival.(北京卷)
4. _________Li Bai, a great Chinese poet, was born is known to the public. (江苏卷)
5._____ he had an important conference to attend the next morning occurred to him. (湖北卷)
Where
That
whether
What
whoever

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