人教版（2019）选择性必修第一册Unit 5 Working the Land Discover useful structures课件 (共37张PPT)

(共37张PPT)
Unit 5 Working the land
Discover Useful Structures
subject clauses
By the end of the class, you are able to :
Identify the usage of subject clauses and understand the function of it;
Understand the structure of subject clauses and the correct use of conjunctions;
Use the subject clauses to express your ideas
Learning objectives
Although loneliness has always been a friend of mine
I’m leaving my life in your hands
People say I’m crazy and I’m blind
Risking it all in a glance
And is still a mystery
I can’t get you out of my head
Don’t care is written in your history
As long as you are here with me
I don’t care you are
you are from
you did
As long as you love me
Fill the lyrics(歌词)after listening to the song
that
how you got me blind
what
who
where
what
Lead-in
Observing
People say I’m crazy and that I’m blind
And how you got me blind is still a mystery
Don’t care what is written in your history
I don’t care who you are
where you are from
what you did
宾语从句
主语从句
宾语从句
宾语从句
句子
类型
简单句
并列句
复合句
主句
形容词性从句 (定语从句)
名词性从句
副词性从句(状语从句)
主语从句
宾语从句
表语从句
同位语从句
从句
Review
What Yuan Longping really cared about was not money or celebrity.
That Yuan Longping had realised his dream of seawater rice surprised the whole world.
It surprised the whole world that Yuan Longping had realised his dream of developing seawater rice.
Look at the sentences below and state the functions of the noun clauses italicised.
主语
主语
主语
Observe and Analyse
主语从句的定义：
如果一个从句在句子中担当主语，那么这个从句就是主语从句。主语从句通常放在主句的谓语动词之前，有时也由形式主语it代替，而本身放在句子末尾。
Then find similar complex sentences from the text.
1. However, what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat.
2. How this could be done was a challenging question at the time.
3. However, whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate.
4. What impresses people most about Yuan Longping is his ongoing ability to fulfil his dreams.
Feel the sentences in red.
However，what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat.
However，whether it was possible to develop a hybrid of self- bollinating plants such as rice was a matter of great debate.
Today，it is estimated that about 60 per cent of domestic rice consumption in China is comprised of crops generated from Yuan’s hybrid strains，...
What impresses people most about Yuan Longping is his ongoing ability to fulfill his dreams.
以上加颜色部分在句中作 。
1句和4句中的what在从句中作 。
2句中的whether意为“ ”。
3句中的it是 ，真正的主语是后面的 。
主语
主语
是否
形式主语
that引导的从句
主语从句的引导词
Thinking思考：
1.What are the leading words of subject clause (主语从句的引导词有哪些 )
2.What are their functions and meaning
(他们有什么功能什么含义 )
主语从句的引导词
1.That he will pass the exam is certain.
2.Whether he will pass the exam is uncertain.
that _______成分，____意义，
______省略。
whether _____成分，____意义，
译为_____。
不做
是否
无
不能
不做
有
Compare and Discover 1
主语从句的引导词
1.Who will take part in the meeting has not been decided.
2. What she said is true.
3. Which book I shall choose hasn’t been decided.
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 ______。
主语
谁
宾语
东西
定语
哪一
Compare and Discover 2
主语从句的引导词
1.Whoever leaves the room
last ought to turn off the lights.
2.Whatever he did was right.
3.Whichever of you comes in
will receive a prize.
Compare and Discover 4
whoever在主语从句中充当 ______, 译为 ______。
whatever 在主语从句中充当 ______, 译为 _________。
whichever在主语从句中充当 ______, 译为 _________。
主语
无论谁
宾语
无论什么
主语
无论哪个
主语从句的引导词
1. When they will start is not known yet.
2. Where she is from is unknown.
3. Why he was late is not important now.
4. How he became a great scientist is known to us all.
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 _______。
状语
何时
状语
何地
状语
为什么
状语
怎样
Compare and Discover 3
类别 例词 说明
从属连词 that，whether（是否） 两者在从句中均不作成分，只起连接作用
连接代词 who(谁)，what(什么)，which(哪一)， whoever(无论谁)， whichever(无论哪个), whatever(无论什么) 等 在从句中作主语、宾语、表语、定语等成分。
连接副词 when，where，how，why等 在从句中作时间、地点、方式、原因状语等成分。
Summary：主语从句的引导词
此为正常的身材比例
为了使句子保持平衡，常用____做形式主语，主语从句放到______，尤其是连词that引导的主语从常用于如下各种句式中。
it
后面
That a storm is coming is reported.
主语
——————————
————
头长
脚短
It is reported that a storm is coming.
头短
脚长
主语从句太长怎么办？
It be certain that… 肯定……
It be possible/likely that... 很可能……
It be obvious/clear that… 很明显……
It be true that…的确……
It be necessary \important \natural\... that…
It be + adj + that 从句主要句型
+(should) +do…
it 作形式主语，that引导主语从句
It be good news that ... (……真是太好了)
It be no wonder that ... (难怪…… )
It be a a pity / shame that ... (遗憾的是……)
It be a fact that ... (事实上……)
It be + 名词 + that 从句主要句型
it 作形式主语，that引导主语从句
It be reported that ...（据报道……）
It be believed that ...（人们相信……）
It be generally thought that …（人们普遍认为……）
It has been found that ...（现已发现……）
It should be noted that …（应当注意……）
It must be pointed out that …（必须指出……）
It be + 过去分词 + that 从句主要句型
it 作形式主语，that引导主语从句
It happened that... 碰巧……
It occurred to me that… 我突然想起……
It appears/seems that… 似乎，好像……
It turned out that… 原来……
It depends on that… 取决于……
It + 不及物动词 + that 从句主要句型
it 作形式主语，that引导主语从句
It is very important that a student (should) learn English well.
学生学好英语很重要。
It is suggested that the meeting (should) be put off.
有人建议会议延期召开。
It depends on the weather whether they are going shopping today.
他们今天是否去购物还得看天气情况。
For example，it can be proved that China has more people than any other country in the world.
举例来说，中国人口比世界上其他任何国家的人口都多，这是可以得到证实的。
It is no wonder that your students have made such great progress.
难怪你的学生们进步这么大。
Whether the patient will be taken ______ unknown.
When and where the patient will be taken _____ unknown.
主句的谓语动词，大多数使用_______(单数？复数？)
由两个连接词引导同一个主从，谓语动词用______ (单数？复数？)
单数
单数
is
is
探寻规律1：主语从句 主谓一致 问题
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).
主语为and连接的两个主从时，谓语动词用______ (单数？复数？)
what在主从中做宾语时，主句谓语的数由主句______决定单复数 (主语？表语？)
复数
表语
are
is
are
探寻规律1： 主语从句 主谓一致 问题
whether引导的主语从句，如果用了形式主语it，引导词whether可以换成if。如果whether从句在句首或后面有or not时，不能用if替换。
Whether genetically-modified food does us harm remains to be seen.
＝It remains to be seen whether/if genetically-modified food does us harm.
探寻规律2：whether和if区别
主语从句应使用_________语序。
1. Where we will have a picnic should be discussed.
Where will we have a picnic should be discussed.
2. How we go for a picnic should be discussed.
How do we go for a picnic should be discussed.
陈述句
√
√
×
×
即主语在前，谓语在后。
探寻规律3：主语从句的语序
(P90 Ex3) Circle and correct the mistake in each sentence.
What have I forgotten is that I have a test today.
Who left me these flowers are not clear to me.
This is obvious that students should prepare well for their future.
Who’s ticket this is has not been confirmed.
When the test will be given have not been decided.
I have
is
It
4. Whose
has
主语从句学法指导
依据“缺什么补什么”原则确定正确的连词。
所谓“缺什么补什么”是指从句与连词之间的关系。
如果句子中缺主语，指人用who，指物用what。
如缺宾语，指人用whom，指物用what。
如缺时间状语用when；地点状语用where。
原因状语用why；方式状语用how。
如缺定语用whose或which。
如什么都不缺用that，whether表“是否”。
Summary
(2022·全国甲卷) First of all, _________ we can do is to place importance on our daily actions.
(2021·山东卷) _________ he said in the speech showed an interesting opinion.
(2021·天津卷) It seemed _________ I had become what my parents had wanted me to be.
单句语法填空
what
that
What
高考链接
(2021·天津卷) _________ she always has so many crazy ideas puzzles Lily's friends.
(2020·江苏卷) It is not a problem _________ we can win the battle；it's just a matter of time.
(2020·全国Ⅱ卷) It's been reported _________ 76％ employees in some western countries are using emojis（表情符号）at work.
Why/ That
whether
that
(2017·北京卷) Every year, _________ makes the most beautiful kite will win a prize in the Kite Festival.
(2015·江苏卷) _________ Li Bai, a great Chinese poet, was born is known to the public, but some won't accept it.
(2015·北京卷) _________ we understand things has a lot to do with what we feel.
whoever
Where
How
(P53 Ex2) Match the sentence parts, and then translate the completed sentences into Chinese.
n. 小麦
n. 化学制品
Practice
(P53 Ex2) Match the sentence parts, and then translate the completed sentences into Chinese.
D; When these wheat farmers will join this pilot experiment remains an unanswered question.
这些小麦农户什么时候会加入预实验仍然不得而知。
C; How we can find a suitable solution to produce sufficient food while keeping the environment safe is an important topic for us to research.
如何能够找到一个合适的解决办法，在保证环境安全的同时，生产足够的粮食，是一个需要我们研究的重要课题。
A; What worries many people is that these chemicals may even cause cancer.
令很多人所担心的是，这些化学制品甚至可能导致癌症。
E; It amazed all of us that these vegetables can even be planted without any soil through this new technology.
令我们所有人惊讶的是，通过这种新技术，可以无土栽培这些蔬菜。
B; That the lifestyle is slower and healthier is the reason why some people prefer to live in the country rather than in the city.
有些人更喜欢住在乡下而非城市的原因是前者生活节奏更慢、生活方式更健康。
(P90 Ex1) Rewrite the sentences using subject clauses.
We wanted to know where he had lost the laptop.
Where ___________________ was what we wanted to know.
he had lost the laptop
The way in which he did the experiment was puzzling to other people.
How __________________ was puzzling to other people.
he did the experiment
Example: I’d like you to find out how new technologies can increase grape production in Binchuan county.
What I’d like you to find out is how new technologies can increase grape production in Binchuan county.
Do they use too many chemical pesticides I worry about this most.
Whether ___________________________________ is what I worry about most.
they use too many chemical pesticides
People are happy to see that the living conditions and income of the farmers have improved a lot.
That ______________________________________________________ makes people happy.
the living conditions and income of the farmers have improved a lot
We have not decided on the date for the sports meet yet.
When ______________________ has not been decided on yet.
the sports meet will be held
(P53 Ex4) Prepare a presentation
his/her determination to tackle the crisis of …
his/her intense effort to overcome …
his/her dream to develop …
his/her love and care for …
he/she succeeded in …
he/she never gave up …
he/she is devoted to …
What impresses me most is that …
What makes him/her a great … is that …
It is important that …
Whether … depends on …
That … is his/her most important quality.
Work in groups. Have a discussion and prepare a presentation.
What impresses me most is that Yuan Longping has succeeded in helping to feed so many people. It is important that he never gave up, despite many difficulties. That he succeeded in realising his dream is what makes him great.
(P53 Ex4) Prepare a presentation