外研版高中英语选择性必修第一册Unit3 Faster, higher, stronger PeriodⅡ Using Language课件

(共25张PPT)
Key point 1: -ing形式作主语的基本概念
Key point 2: -ing形式作主语常用句型
Key point 3: -ing形式作主语的逻辑主语
Key point 4: -ing形式作主语和to do 作主语的区别
Contents
Key point 5: -ing形式做主语的否定
Key point 1: : -ing形式作主语的基本概念
钓鱼是我的乐趣。
Fishing is my pleasure.
Doing exercise is a good way to lose weight.
Dancing is her hobby.
做运动是一个好的减肥方式。
跳舞是她的爱好。
1. 作主语,且通常放在_______。
2. 谓语动词用 。
3. 动词-ing形式作主语常用来表示________________的动作。
4. 被动形式为being done。
eg：Being praised by his teachers made him regain the confidence.
被老师表扬使他重获自信。
动词-ing
单数
句首
经常性或习惯性
_______ (be) a clown doctor means I can help people by entertaining them.
Being
________ (see) their daughter so much happier has in turn made Lara’s parents relaxed.
Seeing
_________ (play) basketball was his dream.
Playing
1. ____________(determine) the origins of the disease should be driven by science and solid facts.
2. _______ (go) to bed early and ___________ (get) up early is considered to be a good habit.
3. ________(be) able to speak a foreign language gives you a great advantage over others.
4. __________(learn) to think critically is an important skill today's children will need for the future.
5. _____________ (travel) along the old Silk Road is an interesting and rewarding experience.
6. _____________(ask) by the teacher to leave the classroom made him feel ashamed.
Determining
Going
getting
Being
Learning
Travelling
Being asked
1. Underline the right forms of verb.
1）Walking is /are a good form of exercise for both young
and old.
2）Watching news on TV have /has become a routine for me.
3）Going to Hangzhou by train takes/take about 16 hours.
4）Asking a woman’s age are/is impolite in our country.
Exercise 2
Key point 2: -ing形式作主语常用句型
2. 位置：动词-ing形式作主语时，可位于句首或句末，位于句末时要用it作形式主语。
It 作形式主语，主要用在句型It is +表示否定的形容词(-less)或名词(no good, no use, a waste of time, fun)中。
如：
It is no use __________(tell) him not to worry.
It's useless __________(study) English without practice.
It's a waste of time __________(talk) about that.
It's fun __________(breath) in fresh air in the morning mountains.
注意：important，essential，necessary 等形容词不能用于上述结构。
telling
studying
talking
breathing
1. It’s a waste of time doing sth.
做某事是浪费时间的
2. It's useless/worthwhile doing sth.
做某事是没用/值得的
3. It’s no good/use/fun doing sth
做某事是没好处/没用/没意思
常用-ing形式作主语的句型有：
1. It’s a waste of time talking about such a
useless thing.
谈论这样无用的事情简直是浪费时间。
2. It’s dangerous swimming in the sea on
windy days.
有风的天气在海里游泳是危险的。
3. It is worthwhile discussing the question.
这个问题值得讨论。
Exercise 1 Translation
5) 做出努力是值得的。
_________________________
6) 和夏洛克争辩是没有什么用的。
_____________________________ with Shylock．
7) 跟你在一起工作是令人愉快的。
_______________________________________
8)玩电子游戏是浪费时间。
It's a waste of time ______________________.
It is useless arguing
It is a pleasure working with you．
playing computer games.
It’s worth making the effort．
Key point 3: -ing形式作主语的逻辑主语
用动词-ing作主语的逻辑主语把下列句子整合成一句：
My deskmate was ill. It made me worried.
My deskmate's being ill made me worried.
1. 名词（有生命的名词）' s + doing
2. 形容词性物主代词 + doing
-ing 作主语时的逻辑主语常用的两种形式
His being ill made me worried.
逻辑主语：动词-ing形式作主语时，如果要突出动作的执行者，要在其前面加上所表动作的逻辑主语，这就构成了动词-ing形式的复合结构。
1. ______to the meeting surprised all of the managers.
A. Mike coming B. Mike came
C. Mike coming D. Mike’s coming
2. It’s no use _______ that you didn’t know the
rules.
A. you pretend B. you pretending
C. your pretending D. your pretend
Exercise 1 Multiple choices
Key point 4:
-ing 作主语和to do 作主语的区别
Playing with fire is dangerous.
玩火危险。(泛指)
Be careful！To play with fire will be dangerous.
小心点！玩火会带来危险。(指一具体动作)
动词 ing形式作主语表示泛指的行为或者抽象的概念，不定式作主语表示具体或一次性的动作。
Key point 5:
-ing形式做主语的否定
1.感觉不饿使很多学生不吃早餐。
____________(feel) hungry in early morning makes some students skip breakfast.
Not feeling
2.没有意识到我的一个孩子生病了是我最大错误。 ____________(realize) one of my kids is sick is my biggest mistake.
Not realizing
-ing做主语的否定：Not -ing
2.上班不准时是他失去升职机会的原因。 ________________(be on time) was the reason why he failed in the promotion.
Not being on time
Key point 1: the conception and rules：
1. _______作主语,且通常放在_______。 2. 谓语动词用 。3. 动词-ing形式作主语常用来表_____________的动作。
Key point 2: -ing形式作主语常用句型：
1. It’s a waste of time doing sth.
2. It's useless/worthwhile doing sth.
3. It’s no good/use/fun doing sth
Key point 3: -ing 作主语的逻辑主语
名词（有生命的名词)’ s/形容词性物主代词+doing(peter’s /His doing)
Key point 4: -ing 作主语和to do 作主语的区别
动词 ing形式作主语表示泛指的行为或者抽象的概念，不定式作主语表示具体或一次性的动作。
动词-ing
单数
句首
经常性或习惯性
Summary
Key point 5:-ing做主语的否定：Not+-ing
wear let miss make use
Using Language
Complete the voicemail messages with the correct form of do and play .
Hi Ellen, it's Todd here. I've just finished my first day volunteering at the Senior Citzens' Sport Club! It's made me see life as an older person with fresh eyes! Some members like to _____yoga because it helps them keep their muscles toned, while others love to ____aerobics - one elderly man says the energy of it makes him feel young again! Ball games are also popular. Many enjoy _________table tennis or__________bowling, while there were lots of people __________badminton, and many like to ______ golf. I even encountered a man who, at the age of 68, was brave enough to ____ roller skating! Not only did he have guts, he was much faster than me!
do
do
playing
playing
playing
play
do
Using Language
I must say, it was really inspiring to see the people there_________ sports, even
at such advanced ages. It made me think about going to the Central Stadium this Saturday. The sports club there doesn't ask for membership.We can _______tennis or ______ rock climbing. It would do us a lot more good than _________ computer games.
doing
play
do
playing