資源簡介

(共25張PPT)
Key point 1: -ing形式作主語的基本概念
Key point 2: -ing形式作主語常用句型
Key point 3: -ing形式作主語的邏輯主語
Key point 4: -ing形式作主語和to do 作主語的區別
Contents
Key point 5: -ing形式做主語的否定
Key point 1: : -ing形式作主語的基本概念
釣魚是我的樂趣。
Fishing is my pleasure.
Doing exercise is a good way to lose weight.
Dancing is her hobby.
做運動是一個好的減肥方式。
跳舞是她的愛好。
1. 作主語,且通常放在_______。
2. 謂語動詞用 。
3. 動詞-ing形式作主語常用來表示________________的動作。
4. 被動形式為being done。
eg：Being praised by his teachers made him regain the confidence.
被老師表揚使他重獲自信。
動詞-ing
單數
句首
經常性或習慣性
_______ (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形式作主語常用句型
2. 位置：動詞-ing形式作主語時，可位于句首或句末，位于句末時要用it作形式主語。
It 作形式主語，主要用在句型It is +表示否定的形容詞(-less)或名詞(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 等形容詞不能用于上述結構。
telling
studying
talking
breathing
1. It’s a waste of time doing sth.
做某事是浪費時間的
2. It's useless/worthwhile doing sth.
做某事是沒用/值得的
3. It’s no good/use/fun doing sth
做某事是沒好處/沒用/沒意思
常用-ing形式作主語的句型有：
1. It’s a waste of time talking about such a
useless thing.
談論這樣無用的事情簡直是浪費時間。
2. It’s dangerous swimming in the sea on
windy days.
有風的天氣在海里游泳是危險的。
3. It is worthwhile discussing the question.
這個問題值得討論。
Exercise 1 Translation
5) 做出努力是值得的。
_________________________
6) 和夏洛克爭辯是沒有什么用的。
_____________________________ with Shylock．
7) 跟你在一起工作是令人愉快的。
_______________________________________
8)玩電子游戲是浪費時間。
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形式作主語的邏輯主語
用動詞-ing作主語的邏輯主語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. 名詞（有生命的名詞）' s + doing
2. 形容詞性物主代詞 + doing
-ing 作主語時的邏輯主語常用的兩種形式
His being ill made me worried.
邏輯主語：動詞-ing形式作主語時，如果要突出動作的執行者，要在其前面加上所表動作的邏輯主語，這就構成了動詞-ing形式的復合結構。
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 作主語和to do 作主語的區別
Playing with fire is dangerous.
玩火危險。(泛指)
Be careful！To play with fire will be dangerous.
小心點！玩火會帶來危險。(指一具體動作)
動詞 ing形式作主語表示泛指的行為或者抽象的概念，不定式作主語表示具體或一次性的動作。
Key point 5:
-ing形式做主語的否定
1.感覺不餓使很多學生不吃早餐。
____________(feel) hungry in early morning makes some students skip breakfast.
Not feeling
2.沒有意識到我的一個孩子生病了是我最大錯誤。 ____________(realize) one of my kids is sick is my biggest mistake.
Not realizing
-ing做主語的否定：Not -ing
2.上班不準時是他失去升職機會的原因。 ________________(be on time) was the reason why he failed in the promotion.
Not being on time
Key point 1: the conception and rules：
1. _______作主語,且通常放在_______。 2. 謂語動詞用 。3. 動詞-ing形式作主語常用來表_____________的動作。
Key point 2: -ing形式作主語常用句型：
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 作主語的邏輯主語
名詞（有生命的名詞)’ s/形容詞性物主代詞+doing(peter’s /His doing)
Key point 4: -ing 作主語和to do 作主語的區別
動詞 ing形式作主語表示泛指的行為或者抽象的概念，不定式作主語表示具體或一次性的動作。
動詞-ing
單數
句首
經常性或習慣性
Summary
Key point 5:-ing做主語的否定：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

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