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(共19张PPT)
授课教材: 人教版 (2019版) 选择性必修一Unit 5 Working the land
授课课题: Discovering useful structures (主语从句)
授课课型: 语法新授课
授 课 信 息
梳理并概括主语从句的表意功能，区别连词、连接代词及连接副词在从句中担当不同成分，并归纳语法规则；
获取关于袁隆平、屠呦呦及林巧稚等三位科学家生平、研究、兴趣爱好、精神及成就等方面的信息，并在具体语境中操练主语从句；
写一封英语推荐信，在写作中恰当使用主语从句，介绍一位你敬佩的人。
Learning objectives
XB1U5 Working the land
Discovering useful structures
Recently, the English newspaper 21st Century Teens is hosting an essay contest themed “Role Models of Our Time” and students are required to write an English letter to introduce someone they admire most.
Lead in
Life is precious. To a person nothing is more precious than their life, and if they entrust me with that life, how could I refuse that trust, saying I’m cold, hungry, or tired
--- Lin Qiaozhi
The honour is not just mine. There is a team behind me, and all the people of my country. This success proves the great value of traditional Chinese medicine. It is indeed an honour for China’s scientific research and Chinese medicine to be spread around the world.
----Tu Youyou
My lifelong pursuit is to keep all the people away from hunger.
----Yuan Long ping
Review
Q: What do you know about Yuan Longping according to the text (P50)
Yuan Longping is respected as ___________________.
father of hybrid rice
Yuan was most concerned about ______________
______________________________.
the farmers
who often had poor harvests.
Yuan didn’t care about________________________.
money or celebrity
Observe and summarize
②Yuan was most concerned about the farmers who often had poor harvests.
①Yuan Longping is respected as father of hybrid rice.
②What concerned Yuan Longping most was the farmers who often had poor harvests.
③Yuan didn’t care about money or celebrity.
③What Yuan Longping didn’t care about was money or celebrity.
Definition (定义) : When a sentence serves as a subject, we call it subject clause.
Please circle subjects in the following sentences.
Observe and summarize
Yuan Longping is respected as father of hybrid rice.
That Yuan Longping is respected as father of hybrid rice is known to us all.
top-heavy(头重脚轻)
It is known to us all that Yuan Longping is respected as father of hybrid rice.
formal subject (形式主语)
real subject (真正的主语)
Rule1: In subject clause, use “it” as the formal subject to avoid top-heavy.
Observe and summarize
Q: Please find more similar complex sentences from the textbook (P50).
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.
5. Today, it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan’s hybrid strains...
Please circle the leading word(连接词) in the following sentences.
what 在从句中充当主语
what 在从句中充当主语
Please identify what grammatical role the leading word plays in the subject clause.
how 在从句中充当方式状语
whether 在从句中不充当成分
that 在从句中不充当成分
Then please focus on the word order in subject clauses.
Next please pay attention to the predicates(谓语) in main clauses (主句).
Rule3: The predicate of the sentence is generally singular. (谓语动词用单数)
Rule2: A subject clause is written in the declarative word order. (陈述语序)
Classify and summarize (1)
The leading words(连接词) of subject clauses
whether
how
what
that
类别
不充当成分
举例
引导词在从句中充当什么成分
充当主语
充当方式状语
subordinating
conjunctions
从 属 连 词
conjunctional
pronouns
连 接 代 词
conjunctional
adverbs
连 接 副 词
Observe and apply
Please look at more examples about Tu Youyu and fill in the blanks with proper leading words.
1. ___________ studies Tu Youyou’s life stories will understand that persistence eventually leads to success.
2. __________ inspired Tu Youyou to research traditional Chinese medicine was that ancient medical texts may hold the key.
3. ___________ of her research methods worked the best is still being discussed among scientists.
Whoever
What
Which
Observe and apply
Tu Youyou was born on December 30, 1930, in Ningbo, China and she received her education at Peking University Medical School, from which she graduated in 1955. ________she joined the national malaria research project in 1967 is that the Chinese government needed a new treatment for this deadly disease. _________ she succeeded in 1971 was by combining ancient texts with scientific research. __________she won the Nobel Prize marked a proud moment for China and traditional medicine worldwide.
Please read the following introduction and fill in the blanks with proper leading words.
Why
How
When
Classify and summarize (2)
subordinating conjunctions 从 属 连 词
conjunctional pronouns 连 接 代 词
conjunctional adverbs 连 接 副 词
The leading word(连接词) of subject clauses
whether,that
when, where, how, why
what, who, whom, whose, which，whoever, whatever, whichever
类别
不充当成分
举例
充当状语
充当主、宾、表、定语
引导词在从句中充当什么成分
Rewrite and explore
a. Lin Qiaozhi’s mother died when she was five.
b. This event inspired her to study medicine.
eg:What inspired Lin Qiaozhi to study medicine was that her mother died when she was five.
Please rewrite the following underlined sentences using subject clauses.
Lin Qiaozhi was a famous Chinese doctor. She was born in 1901. What inspired Lin Qiaozhi to study medicine was the death of her mother when she was five. ①She chose to go to college instead of marrying at the age of 18, and Many people were surprised.
② Then she graduated with the highest honor from Peking Union Medical College, and later became the hospital’s first female resident physician. These events brought her early recognition.
During the war, she opened a clinic and charged low fees. After 1949, she held many important positions. However, caring for her patients and training new doctors were the most important things in her heart. ③She delivered over 50,000 babies and the fact earned her the name “mother of ten thousand babies.”
simple sentences sentences with subject clauses
① She chose to go to college instead of marrying at the age of 18, and Many people were surprised. ② Then she graduated with the highest honor from Peking Union Medical College, and later became the hospital’s first female resident physician. These events brought her early recognition. ③ She delivered over 50,000 babies and the fact earned her the name “mother of ten thousand babies.
① What surprised many people is that she chose to go to college instead of marrying at the age of 18.
② What brought Lin Qiaozhi early recognition was that she graduated with the highest honor from Peking Union Medical College and became the hospital’s first female resident physician.
③ What earned Lin Qiaozhi the name “mother of ten thousand babies” is that she delivered over 50,000 babies.
Which group of sentences are more impressive and formal
impressive and formal
21世纪Teens英文报“人物”栏目正举行“Role Models of Our Time”主题征文。请你用英文写一封推荐信，介绍任何一位你敬佩的人，内容包括：1. 简要介绍他/她的突出事迹；2. 该事迹带给你的启示； 3. 呼吁同龄人向其学习。
要求:①词数 80 左右；
②恰当使用主语从句；
Apply and share
Role models of our time
Para1: brief introduction of the role model
Today I want to introduce my role model--____, she/he__________________________________
____________________________________Para2: talk about what he/she impresses you most or what you can learn from him/her
What she/he impresses me most is that________
_______________________________________.
And what I can learn from_____________is that
______________________________________________________________________________.Para3: appeal to actions
eg: So let’s turn admiration into action: set our goal as high as his/hers, meet every setback with the same resilience, and turn each drop of our efforts into the next wave that pushes the world forward.
Please perfect your writing according to the following checklist.
Homework
Items Details Yes No
Content Do I express the ideas about the three aspects mentioned
Language Do I use words or phrases learned in the unit
Do I use subject clauses properly
Is there any grammar mistakes
Structure Is my writing well-organized
Are there any connectors
Thanks for your listening!

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