人教版选择性必修第三册Unit 2 Healthy Lifestyle Learning About Language课件(共30张PPT)
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| 名称 | 人教版选择性必修第三册Unit 2 Healthy Lifestyle Learning About Language课件(共30张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 4.9MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-02-27 10:19:57 | ||
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(共30张PPT)
Discovering Useful Structures
语法
高中英语新人教选择性必修三
HEALTHY LIFESTYLE
XB3U2 Learning About Language
By the end of the class, you will be able to:
observe and sum up the rules of to do form as the subject.
learn to sum up the differences between -ing and to do form as the subject.
describe healthy lifestyles by using to do form as the subject.
Learning Objectives：
Lead-in
part 1
eat fruits and vegetables
drink 8 glasses of water a day
wash hands before meals
have enough sleep
walk after meals
take regular exercise
(something you have already done)
Doing... is my favorite activity
Doing ... often helps me ...
(something you want to do )
To do... is essential for us.
To do ... can help me...
the habits box
Discovering the rules
part 2
pay attention to the ‘to do’ form. discuss their functions.（关注to do 形式，并讨论他们的作用）
To change bad habits is never easy, even with many attempts.
It took the surgeon three hours to finish my mother’s lung surgery.
It was not polite to disturb your neighbours with loud music last night.
Q1: What functions are the form of to do
Subjects(主语)
Q2: To do 不定式作主语的意义是什么
它的意义表示为:
具体的，特定的，将来的动作
即使你多次尝试，去改变坏习惯从不容易，。
完成我妈的肺部手术花了外科医生三个小时。
晚上放音乐打扰邻居是不礼貌的。
Pay attention to the ‘to do’ form. Discuss their functions.
（留意这两个句子的to do形式，他们的特点是什么？）
When to hold the sports meeting is still unknown.
什么时候举办运动会现在还仍旧不知道。
How to learn English well bothers us.
如何学好英语困扰着我们。
Wh-词后加动词不定式，可在句中做主语。
Observe and Thinking
To see is to believe. 百闻不如一见。
To get up early is necessary. 早起是必要的。
To learn a skill is very important for everyone in society.
学习一项技能对社会上的每个人都很重要。
To finish the building in a day is difficult.
要在一天内完成这座建筑是困难的。
谓语前，
位于句首
后接谓语动词
to do
具体动作
单 数
Studying the rules
part 3
Join the words to make full sentences and paragraph (P17)
important / avoid / passive cigarette smoking
e.g. It is important to avoid passive cigarette smoking.
will take / nutrition specialist / a balanced diet menu / make / an hour / for you
It will take the nutrition specialist an hour to make a balanced diet menu for you.
Join the words to make full sentences and paragraph
useful / turn to / fitness consultant / for advice
It is useful to turn to the fitness consultant for advice.
illegal / dangerous / take drugs
It is illegal and dangerous to take drugs.
harmful / skip breakfast / often
It is harmful to skip breakfast often.
当主语较长，谓语较短时，常用it作形式主语放在句首,而将真正的主语不定式放到谓语的后面。（避免头重脚轻）
It's not easy __________ (work) out the problem.
解决出这个问题不容易。
It is interesting for me __________ (play) with water in summer.
夏季里玩水于我而言是很有趣的。
It is terrible for her __________ (see) the ship sinking into the sea. 她目睹轮船沉入大海，真是太可怕了。
to work
Observe and sum up
to play
to see
To work out the problem is not easy.
To play with water in summer in interesting for me.
To see the ship sinking into the sea is terrible for her.
Look at the differences
It is necessary for young students to learn English.
对年轻的学生来说，学习英语是必要的。
It is necessary for you to change your job.
你有必要换工作。
It was impossible for them to complete the task in such a short time.
他们不可能在这么短的时间内完成这项任务。
It is +adj. + for sb. to do sth. 形容词常用于表示事物的特征，用于此句型的形容词有：easy, hard, difficult, possible, important, impossible, necessary, good, bad, exciting, interesting, surprising等。
It 句型
It was foolish of you to give up such a good opportunity!
你放弃这么好的一个机会，真傻！
It’s very kind of you to help my father.
你这样帮我的父亲真是太好了。
It is friendly of the family to try to make me feel at home in their house.
这家人对我很友好，使我在他们家里感到宾至如归。
It is +adj. + of sb. to do sth.
形容词用来表示不定式的逻辑主语：人的性质、特征或品德
常见的此类形容词有： kind, nice, wise, silly, polite, impolite, friendly, foolish, clever等。
It 句型
It must be great fun to fly to the Mars in a spaceship.
乘宇宙飞船飞往火星一定很有趣。
It is a pity for you to miss such a wonderful play.
你错过了这么好的话剧，真可惜。
接名词作表语：It is +n.+ to do sth.
常见的名词有：pity, shame, pleasure, one’s duty, one’s job, fun, joy, good manners, bad manners等。
It 其他句型（固定搭配）
It took me more than an hour to do my homework yesterday .
昨天我做作业用了一个多小时。
It will take us a lot of money to buy that flat.
买那套公寓要花费我们很多钱。
it作形式主语时，还常用于：
It takes sb. some time/money to do sth.
做某事花费某人多长时间(钱)
How to use the VR glasses is the question.
如何使用VR眼镜是个问题。
Where to go has not been decided.
去哪儿还没有定下来。
Observe and sum up
动词不定式与疑问词who, whom, whose, what, which, when, where, how等连用构成不定式短语，也可作主语。
________ (read) English novels is really interesting.
________ (read) English novels this evening will take most of my time.
Observe and sum up
不定式作主语表示一次性的、具体的或将来的动作，强调的是动作本身；动名词作主语表示一般的、抽象的、泛指的或者已经完成的动作，强调的是事情本身。
Reading
To read
to do作主语的情况
to do 作主语位于句首，在谓语之前
to do 作主语位于谓语之后，It作形式主语
疑问词+to do 构成不定式短语，作主语
和-ing 作主语的区别
To read without reflecting is like eating without digesting.
It takes sb. time/money to do sth.
It is + adj. + （for/of sb.） to do sth.
It is + n. + (for sb.) to do sth.
to do 表示具体的，将来的动作
-ing 表示一般的，已经完成的动作
与疑问词who, whom, whose, what, which, when, where, how等连用
Summary
Applying the rules
part 4
[2019·全国I卷] It is difficult ________ (figure) out a global population of polar bears.
[2020·江苏卷] The implication of these results is that to gain the greatest health benefits from exercise, it may be wise ________ (skip) eating first.
Then we will know how important it is ________ us to have meaning in our life.
[2018·全国Ⅱ卷] Exercise energizes you, so ________ is more difficult to relax and have a peaceful sleep when you are very excited.
Practice
to figure
to skip
for
it
_________ (climb) mountains is interesting.
_________ (drive) a car during the rush hour must be tiring.
_________ (teach) English is my job.
_________ (teach) you English this term is my job.
No _________ (smoke) is permitted here.
lt is not very good for you _________ so much (smoke).
_________ (read) more is necessary .
lt is quite necessary _________ (read) it again.
Practice
Climbing
To drive
Teaching
To teach
smoking
to smoke
Reading
to read
It will take us about half an hour __________ (到达) the West Lake. In the morning, we will visit the places of interest around or near the West Lake, including the lake, Gu Hill, Lingyin Temple, and Lei Feng Pagoda. This will be a good chance _____________ (欣赏) the beautiful scenery as well as the history and culture of Hangzhou. In the afternoon we may ______ (尝试) a taste of Longjing Tea and ______________ (看电影).For the evening, there are many things we can choose from, like dinner, shopping, and experiencing the local night life. It will be fun for us __________ (选择) together what we want to do after you arrive.
Complete the passage
to arrive
to appreciate
try
watch a movie
to choose
Conclusion
part 5
Conclusion
单个不定式作主语，谓语动词 ________。
不定式作主语时,可以用it作 ________________。
如果要说明不定式表示的动作是谁做的，可以在不定式前加一个由 for/of 引起的短语,构成 ________________ 。
e.g. It is + adj. + (for/of sb.) to do sth.
It is + n. + (for sb.) to do sth.
It takes/took/will take sb. some time/money to do sth.
单数
形式主语
形式主语
Homework
Write an passage about 80 words, to talk about healthy eating habits, explain what are good habits, how to form good habits, and why we need good habits by using to do form as the subject.
写出一篇字数为80字左右的作文，讲述健康饮食生活，解释什么是好的习惯，怎么形成好的习惯，为什么我们需要好的习惯。
作文开头已给出：
These days…
Structure
eating habits
What is a good eating habit
How to form good eating habits
Why we need good eating habits
It is important for us to have a ...diet
It is essential for you to ...
look at a “food pyramid”
make healthy food at home
To form a ...habit is necessary
You will feel better.., healthy life.
范文
These days, the attitude of many people is to just eat food that they think taste good. It is urgent for us to form a balanced diet, which will benefit our short-term and long-term health. Here are some advice out there.
Firstly, to save yourself some time, you could try looking at a “food pyramid”— a chart that shows you how much of each type of food to eat. Moreover, it is essential for you to make healthy food at home and avoid eating package food or fast food. At last, to change bad habits is never easy, we need make lots of efforts.
In a word, to form good eating habits is necessary, you will feel better, have more energy, and have fewer health problems in later life.
Discovering Useful Structures
语法
高中英语新人教选择性必修三
HEALTHY LIFESTYLE
XB3U2 Learning About Language
By the end of the class, you will be able to:
observe and sum up the rules of to do form as the subject.
learn to sum up the differences between -ing and to do form as the subject.
describe healthy lifestyles by using to do form as the subject.
Learning Objectives：
Lead-in
part 1
eat fruits and vegetables
drink 8 glasses of water a day
wash hands before meals
have enough sleep
walk after meals
take regular exercise
(something you have already done)
Doing... is my favorite activity
Doing ... often helps me ...
(something you want to do )
To do... is essential for us.
To do ... can help me...
the habits box
Discovering the rules
part 2
pay attention to the ‘to do’ form. discuss their functions.（关注to do 形式，并讨论他们的作用）
To change bad habits is never easy, even with many attempts.
It took the surgeon three hours to finish my mother’s lung surgery.
It was not polite to disturb your neighbours with loud music last night.
Q1: What functions are the form of to do
Subjects(主语)
Q2: To do 不定式作主语的意义是什么
它的意义表示为:
具体的，特定的，将来的动作
即使你多次尝试，去改变坏习惯从不容易，。
完成我妈的肺部手术花了外科医生三个小时。
晚上放音乐打扰邻居是不礼貌的。
Pay attention to the ‘to do’ form. Discuss their functions.
（留意这两个句子的to do形式，他们的特点是什么？）
When to hold the sports meeting is still unknown.
什么时候举办运动会现在还仍旧不知道。
How to learn English well bothers us.
如何学好英语困扰着我们。
Wh-词后加动词不定式，可在句中做主语。
Observe and Thinking
To see is to believe. 百闻不如一见。
To get up early is necessary. 早起是必要的。
To learn a skill is very important for everyone in society.
学习一项技能对社会上的每个人都很重要。
To finish the building in a day is difficult.
要在一天内完成这座建筑是困难的。
谓语前，
位于句首
后接谓语动词
to do
具体动作
单 数
Studying the rules
part 3
Join the words to make full sentences and paragraph (P17)
important / avoid / passive cigarette smoking
e.g. It is important to avoid passive cigarette smoking.
will take / nutrition specialist / a balanced diet menu / make / an hour / for you
It will take the nutrition specialist an hour to make a balanced diet menu for you.
Join the words to make full sentences and paragraph
useful / turn to / fitness consultant / for advice
It is useful to turn to the fitness consultant for advice.
illegal / dangerous / take drugs
It is illegal and dangerous to take drugs.
harmful / skip breakfast / often
It is harmful to skip breakfast often.
当主语较长，谓语较短时，常用it作形式主语放在句首,而将真正的主语不定式放到谓语的后面。（避免头重脚轻）
It's not easy __________ (work) out the problem.
解决出这个问题不容易。
It is interesting for me __________ (play) with water in summer.
夏季里玩水于我而言是很有趣的。
It is terrible for her __________ (see) the ship sinking into the sea. 她目睹轮船沉入大海，真是太可怕了。
to work
Observe and sum up
to play
to see
To work out the problem is not easy.
To play with water in summer in interesting for me.
To see the ship sinking into the sea is terrible for her.
Look at the differences
It is necessary for young students to learn English.
对年轻的学生来说，学习英语是必要的。
It is necessary for you to change your job.
你有必要换工作。
It was impossible for them to complete the task in such a short time.
他们不可能在这么短的时间内完成这项任务。
It is +adj. + for sb. to do sth. 形容词常用于表示事物的特征，用于此句型的形容词有：easy, hard, difficult, possible, important, impossible, necessary, good, bad, exciting, interesting, surprising等。
It 句型
It was foolish of you to give up such a good opportunity!
你放弃这么好的一个机会，真傻！
It’s very kind of you to help my father.
你这样帮我的父亲真是太好了。
It is friendly of the family to try to make me feel at home in their house.
这家人对我很友好，使我在他们家里感到宾至如归。
It is +adj. + of sb. to do sth.
形容词用来表示不定式的逻辑主语：人的性质、特征或品德
常见的此类形容词有： kind, nice, wise, silly, polite, impolite, friendly, foolish, clever等。
It 句型
It must be great fun to fly to the Mars in a spaceship.
乘宇宙飞船飞往火星一定很有趣。
It is a pity for you to miss such a wonderful play.
你错过了这么好的话剧，真可惜。
接名词作表语：It is +n.+ to do sth.
常见的名词有：pity, shame, pleasure, one’s duty, one’s job, fun, joy, good manners, bad manners等。
It 其他句型（固定搭配）
It took me more than an hour to do my homework yesterday .
昨天我做作业用了一个多小时。
It will take us a lot of money to buy that flat.
买那套公寓要花费我们很多钱。
it作形式主语时，还常用于：
It takes sb. some time/money to do sth.
做某事花费某人多长时间(钱)
How to use the VR glasses is the question.
如何使用VR眼镜是个问题。
Where to go has not been decided.
去哪儿还没有定下来。
Observe and sum up
动词不定式与疑问词who, whom, whose, what, which, when, where, how等连用构成不定式短语，也可作主语。
________ (read) English novels is really interesting.
________ (read) English novels this evening will take most of my time.
Observe and sum up
不定式作主语表示一次性的、具体的或将来的动作，强调的是动作本身；动名词作主语表示一般的、抽象的、泛指的或者已经完成的动作，强调的是事情本身。
Reading
To read
to do作主语的情况
to do 作主语位于句首，在谓语之前
to do 作主语位于谓语之后，It作形式主语
疑问词+to do 构成不定式短语，作主语
和-ing 作主语的区别
To read without reflecting is like eating without digesting.
It takes sb. time/money to do sth.
It is + adj. + （for/of sb.） to do sth.
It is + n. + (for sb.) to do sth.
to do 表示具体的，将来的动作
-ing 表示一般的，已经完成的动作
与疑问词who, whom, whose, what, which, when, where, how等连用
Summary
Applying the rules
part 4
[2019·全国I卷] It is difficult ________ (figure) out a global population of polar bears.
[2020·江苏卷] The implication of these results is that to gain the greatest health benefits from exercise, it may be wise ________ (skip) eating first.
Then we will know how important it is ________ us to have meaning in our life.
[2018·全国Ⅱ卷] Exercise energizes you, so ________ is more difficult to relax and have a peaceful sleep when you are very excited.
Practice
to figure
to skip
for
it
_________ (climb) mountains is interesting.
_________ (drive) a car during the rush hour must be tiring.
_________ (teach) English is my job.
_________ (teach) you English this term is my job.
No _________ (smoke) is permitted here.
lt is not very good for you _________ so much (smoke).
_________ (read) more is necessary .
lt is quite necessary _________ (read) it again.
Practice
Climbing
To drive
Teaching
To teach
smoking
to smoke
Reading
to read
It will take us about half an hour __________ (到达) the West Lake. In the morning, we will visit the places of interest around or near the West Lake, including the lake, Gu Hill, Lingyin Temple, and Lei Feng Pagoda. This will be a good chance _____________ (欣赏) the beautiful scenery as well as the history and culture of Hangzhou. In the afternoon we may ______ (尝试) a taste of Longjing Tea and ______________ (看电影).For the evening, there are many things we can choose from, like dinner, shopping, and experiencing the local night life. It will be fun for us __________ (选择) together what we want to do after you arrive.
Complete the passage
to arrive
to appreciate
try
watch a movie
to choose
Conclusion
part 5
Conclusion
单个不定式作主语，谓语动词 ________。
不定式作主语时,可以用it作 ________________。
如果要说明不定式表示的动作是谁做的，可以在不定式前加一个由 for/of 引起的短语,构成 ________________ 。
e.g. It is + adj. + (for/of sb.) to do sth.
It is + n. + (for sb.) to do sth.
It takes/took/will take sb. some time/money to do sth.
单数
形式主语
形式主语
Homework
Write an passage about 80 words, to talk about healthy eating habits, explain what are good habits, how to form good habits, and why we need good habits by using to do form as the subject.
写出一篇字数为80字左右的作文，讲述健康饮食生活，解释什么是好的习惯，怎么形成好的习惯，为什么我们需要好的习惯。
作文开头已给出：
These days…
Structure
eating habits
What is a good eating habit
How to form good eating habits
Why we need good eating habits
It is important for us to have a ...diet
It is essential for you to ...
look at a “food pyramid”
make healthy food at home
To form a ...habit is necessary
You will feel better.., healthy life.
范文
These days, the attitude of many people is to just eat food that they think taste good. It is urgent for us to form a balanced diet, which will benefit our short-term and long-term health. Here are some advice out there.
Firstly, to save yourself some time, you could try looking at a “food pyramid”— a chart that shows you how much of each type of food to eat. Moreover, it is essential for you to make healthy food at home and avoid eating package food or fast food. At last, to change bad habits is never easy, we need make lots of efforts.
In a word, to form good eating habits is necessary, you will feel better, have more energy, and have fewer health problems in later life.