V-ing作主语、宾语
V-ing的用法
There
is no sense in doing 做、、、没有道理 There is/was no use doing 干、、、无意义 There is/was nothing worse than doing 没有比、、、更糟的 There is/was no point doing 干、、、无意义 我们不知道要去哪儿。 There was no knowing where we would go. 做这件傻事毫无意义。 There is no point doing such a silly thing.
注意：There
is no need to do sth 干、、、 没必要，在此句式中to do 不可换为doing.. 没有必要告诉她。 There is no need to tell her. 注意：-ing的逻辑主语由形容词性物主代词 和名词所有格构成。 我姐姐病了，使我很担心。 My sister's being ill made we worried. 你正确未必就意味着我错了。 Your being right doesn't necessarily mean my being wrong.
appearance.
五、-ing形式作定语 1. 单个动词的-ing形式作定语位于被修 饰名词的前面，既可以表示被修饰者 的作用或功能，也可以表示被修饰者 的动作或状态。如： building materials = materials for building 建筑材料
注意：-ing与不定式的比较： -ing表示的动作通常是一个泛指的动作，不定式则 通常表示具体的动作。
我喜欢看书，但是我现在想看电影。 I like reading ，but now I like to see a film .
V-ing作主语和宾语
宾语
doing
to do
取决于谓语动词
2.作宾语
①不定式和动名词都可作动词或介词的宾语。 有些动词后只跟不定式作宾语，如： want, manage, demand, promise, refuse, pretend, plan, offer, decide, agree, expect/ hope/wish, choose, happen等。 I don’t want ______ like I’m speaking ill of anybody, but the manager’s plan is unfair. A. to sound B. to be sounded C. sounding D. to have sounded
②在下列句型中常用动名词作主语。
1)用形式主语it
no use/good not any use/good of little use/good +doing sth. useless a waste of time fun
It is/was
1.我们都知道,喝太多咖啡是没有好处的. As we all know, it is no good drinking too much coffee. 2.每天晚上熬夜到太晚是没有好处的. It is of little good staying up too late every day. 3.光想不做是没有用的. It is no use thinking without action. 4.和夏洛克争辩是没有什么用的。
2)有些动词如begin,
start, continue后既可以 跟to do又可以跟doing作宾语，意义上无
多大区别。
I begin to do/ doing the task .
v-ing做主语和宾语
On May 23th, 2018
Thinking and finding
1. 1.Since then , finding ways to grow more rice has been his life goal . subject 2. As a young man , he saw the great need for increasing the rice output . object 3. However, he doesn’t care about being famous. object 4. He enjoys listening to violin music. object 5.Spending money on himself or leading a comfortable life also means very little to him. subject 6. Just dreaming for things , however, costs nothing.
12. — What do you think made Mary so
upset？ — __________ her new bicycle．
A. As she lost
C. Losing
B. Lost
D. Because of losing
13. The parents suggested ____ in the hotel room but their kids were anxious to camp out during the trip. A. sleep B. to sleep C. sleeping D. having slept
V-ing作主语和宾语
try to do
mean to do ③
打算/意欲做......
②
尽力去做......
try doing
试着去做......
mean doing
意味着......
stop to do sth 停下来去做另一件事 ④ stop doing sth 停止正在做的事 他忘记关灯了.(没有关灯） He forgot to turn off the light. 他忘记关了灯.（他关了灯，但忘记了） He forgot turning off the light.
6. Helping her is my duty.
7. Seeing is believing.
①It is no use saying so much. ②It was a waste of time arguing with eehim. ③It is impossible to go to America on eefoot.
1. V-ing(动名词）
reading learning reading aloud learning English
sitting
writing
sitting in the classroom
writing on the blackboard
动 名 词 短 语
2. 名词（动名词）的作用和用法 主语 Pandas like bamboo.
Pandas like bamboo. They are listening to music. I'm a student. milk bottle, woman singer, stone house, sports meeting 宾补 Yuan Longping consider himself a farmer. 同位语 Tom, my friend, can speak English well.
V-ing的用法
V-ing形式是英语中非谓语动词的一种，它在句中可作主语、宾语、宾语补足语、表语和定语。
一、V-ing形式作主语表示泛指意义的行为。
谓语动词要用第三人称单数。
如：Saving money is a good habit.二、V-ing形式作宾语1. 有些动词后常跟V-ing形式作宾语，常见的有finish，practice，enjoy，suggest，keep，mind，advise等。
如：A young man practiced speaking English with Mr. Green just now.2. 有些动词词组或某些结构后常跟V-ing形式，常见的有give up，look forward to，feel like，pay attention to，put off，succeed in，be / get used to，can‘t help，be interested in，be afraid of，be busy等。
如：He gave up smoking in the end.注意：1. 某些动词后既可跟动词不定式，也可跟V-ing形式作宾语，但表达的意思不同，常见的有remember to do sth. （记住去做某事），remember doing sth. （记得做过某事）；forget to do sth. （忘记去做某事），forget doing sth.（忘记做过某事）；stop to do sth. （停下来去做另一件事），stop doing sth （停止做某事）；try to do sth.（尽力做某事），try doing sth.（尝试做某事）等。
2. 还有一些动词后面既可跟动词不定式，也可跟V-ing形式作宾语，但表达的意思无多大区别，常见的有love，like，hate，prefer，begin，start，continue等。
三、V-ing形式作宾语补足语通常表示动作正在进行，能带这类结构的动词多为感官动词（如see，watch，hear等）以及某些使役动词（如keep，get 等）。
高中英语真题-V-ing形式作主语和宾语
高中英语真题:V-ing形式作主语和宾语一、V-ing形式作主语1. V-ing形式作主语表示比较抽象的一般行为，尤其是强调多次性的动作。
如：Reading poems gives me muc h pleasure. 读诗给我带来很多欢乐。
动词不定式作主语常表示具体的某一次动作，特别是将来的动作。
如：To go to town this afternoon is necessary. 今天下午进城是必要的。
2. V-ing形式常用于It’s no use (useless) doing, It’s no good doing, There is no doi ng (不可能，不允许)句型中。
如：It’s no use forcing children to learn. 强迫孩子学习是没有用的。
There is no telling what will happen. 未来的事，无法预料。
考例：’s never willing to alter any of his opinions. It’s no use with h im.A. to argueB. arguingC. arguedD. having argued答案：B。
3. V-ing形式作主语，谓语动词用单数。
如：Learning new words is very useful to us. 对我们来说学习生词很重要。
二、V-ing形式作宾语1. 跟V-ing形式作宾语的动词有：spend, advise, allow, appreciate, avoid, consider (考虑), delay, enjoy, escape, excuse, finish, keep, imagine, mind, miss, permit, practise, risk, suggest 等及feel like, be fond of, what (how) about等固定词组。
V-ing做主语和宾语
在下面的短语中，常用 在下面的短语中，常用v-ing形式做介词的 形式做介词的 宾语： 宾语： be good at, care about, feel like, devote to， ， object to，pay attention to，get down to， ， ， ， lead to, look forward to，stick to，be ， ， used to等 等 Eg:However, he doesn't care about being famous.
• 注意：There is no need to do sth 干、、、 注意： 没必要，在此句式中to 不可换为doing.. 没必要，在此句式中 do 不可换为 • 没有必要告诉她。 没有必要告诉她。 • There is no need to tell her.
作宾语（ 二. V-ing作宾语（object）的用法 作宾语 ） 1．作介词宾语(object of preposition) ．作介词宾语 eg:As a young man ,he saw the great need
eg:The boy admitted being careless. Would you mind opening the door? I can't avoid going.
(2). 在allow, advise,Байду номын сангаасforbid, permit后直接
作宾语， 跟V-ing作宾语，如果有名词或代词作宾语， 作宾语 如果有名词或代词作宾语， 则构成“ 则构成“allow／advise／forbid／permit ／ ／ ／ 名词／代词＋不定式（宾语补足语） ＋名词／代词＋不定式（宾语补足语）”之 形式。 形式。如：
V-ing的用法
Ⅱ）注意：及物动词后接非谓语动词作 注意： 宾语时有以下几种情况： 宾语时有以下几种情况： 1．有些动词只能接v-ing形式作宾语， 有些动词只能接v ing形式作宾语 形式作宾语， 不能接不定式。 不能接不定式。如： mind, finish, risk, advise, consider, enjoy, imagine, escape, practise, miss, suggest, prevent, avoid, appreciate，put off, be appreciate， worth, insist on, stick to, give up, look forward to, be proud of, feel like, be good at, be sure of, think of, succeed in, have difficulty in, can’t help 等。
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2. I can hardly imagine Peter ___ across the Atlantic Ocean in five days. A.sail B.to sail C.sailing D.to have sailed
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3.____ is a good form of exercise for both young and old. A.The walk B. Walking C.To walk D.Walk
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3．有些动词后可跟不定式和v-ing 有些动词后可跟不定式和v 形式作宾语，意义差别不大。 形式作宾语，意义差别不大。
1）在like, love, hate, prefer等动词后， prefer等动词后 等动词后， v-ing形式表示经常性、概括性的动作， ing形式表示经常性 概括性的动作， 形式表示经常性、 不定式表示具体的、特定的某一次动作。 不定式表示具体的、特定的某一次动作。 如：
[精品]v-ing形式作主语
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v-ing形式作主语、宾语和表语一、v-ing形式作主语1. v-ing形式作主语可放在句首，也可用形式主语it代替，常表示抽象动作或一般行为。
如：Using the right hand to shake hands is a convention in many countries. 用右手握手是许多国家的一种习俗。
It is no use complaining; the company won’t do anything about it. 抱怨是没有用的，公司是不会管的。
2. “名词所有格/形容词性物主代词+v-ing形式”构成复合结构也可以在句中作主语。
如：My being late made my mother very angry. 我迟到让我母亲很生气。
Susan’s winning the first prize excited us all. 苏珊获得一等奖使得我们大家很兴奋。
二、v-ing形式作宾语1. 有些动词后面要求跟v-ing作宾语。
类似动词有：admit, practise, appreciate, finish, avoid, consider, delay, enjoy等。
如：We often practice speaking English after class. 我们常常在课后练习说英语。
2.有些动词后面既可接不定式也接v-ing作宾语，但差别较大。
类似动词有：forget, remember, mean, try, regret, go on等。
如：She regretted having missed the film. 她懊悔没能看上那场电影。
I regret to say that we can’t stay here any longer. 我很抱歉，我们不能再在这儿多呆了。
3. 有些动词短语后也要求跟v-ing作宾语。
常这样用的动词短语有：can’t stand 忍不住；can’t help 忍不住；feel like 想要；give up 放弃；put off 推迟。
高中英语-v-ing作主语和宾语
2) forget to do 忘记要去做某事 forget doing 忘记做过某事
I forgot to post the letter for her. 我忘了去为她寄那封信了.
I forgot writing that composition. 我忘记写过那篇作文.
3) stop doing 停止做某事 stop to do 停下正在做的事而去做另一件事
1. He got well-prepared for the job
interview, for he couldn't risk __B__
the good opportunity.
A. to lose
B. losing
C. to be lost D. being lost
3. I can't stand _C__ with Jane in the same office. She just refuses ___ talking while she works. A. working; stopping B. to work; stopping C. working; to stop D. to work; to stop
4. sth need/require/want doing/to be done eg. The window needs ________ (clean)
5. 动名词作宾语时也可有自身的逻辑主语， 即构成动名词的复合结构。其逻辑主语常 见的形式有名词所有格、形容词性物主代 词、人称代词宾格
I am amazed at Mary/Mary's becoming rich. Would you mind my/me using your phone? I knew nothing about the window being open.
ving形式的基本用法
ving形式的基本用法Ving形式，也就是Gerund形式，是英语中的一种名词形式，它由动词的现在分词形式+ing构成。
Ving形式的基本用法非常广泛，可以在句子中充当主语、宾语、介词宾语和表语等角色，下面将详细介绍ving形式的基本用法及其用例。
1、Ving形式作为主语Ving形式可以作为句子的主语，用来表示一些动作或状态。
在这种句子中，主语通常位于句子的开头，后面跟着谓语。
例如：- Swimming is my favorite sport. - Reading before bed helps me sleep better. - Skiing in the mountains is dangerous if you're not careful.在这些例子中，"Swimming"，"Reading"和"Skiing"都是作为主语的Ving形式。
2、Ving形式作为宾语Ving形式也可以作为句子的宾语，用来表示动作或状态的对象。
在这种情况下，Ving形式通常跟在动词之后作为宾语出现。
例如：- I enjoy watching movies. - She suggested going out for dinner tonight. - Do you mind if I bring my dog along?在这些例子中，"watching"，"going"和"bringing"都是作为宾语的Ving形式。
3、Ving形式作为介词宾语Ving形式还可以作为介词的宾语，用来表示动作或状态的对象。
在这种情况下，Ving形式通常跟在介词之后作为介词宾语出现。
例如：- I'm looking forward to seeing the new Star Wars movie. - He's good at playing the guitar. - After finishing her homework, she went to bed.在这些例子中，"seeing"，"playing"和"finishing"都是作为介词宾语的Ving形式。
V-ing作主语和宾语等等
他的爱好是收集邮票。
The problem is quite puzzling.
这个问题很令人困惑。
三、动词-ing形式作宾语
1、作动词的宾语。
（常接动词 -ing 形式作宾语的动词可用下面的口诀帮助 记忆：）
② -ing 分词短语作定语应放在被修饰词的后面，也 相当于一个定语从句。如：
Who is the comrade standing by the door? 站在门边的同志是谁？
They lived in a house facing south. = They lived in a house that faces the street.
He insisted on doing it in his own way. 他坚持要按照自己的方法做。 He went to London in the hope of being a famous painter.
他去了伦敦，希望能成为一个著名的画家。
四、-ing分词作定语：
①单个的分词作定语一般放在被修饰词的前面。如： reading room 阅览室 swimming pool 游泳池 singing competition 歌咏比赛 waiting room 候车室 a sleeping child一个酣睡的孩子 the exciting news令人振奋的消息 a boring speech令人乏味的演出
2. 能用-ing形式作宾语补足语的几类动词:
1) 表示感觉和心理状态的动词，常见的有see, hear, feel, smell, find, notice, observe, look at, listen to等。如： We saw a light burning in the window. I felt somebody patting me on the shoulder. 2) 表示指使意义的动词，常见的有have, set, keep, get, catch, leave等。如： I won’t have you doing that. This set me thinking. I’m sorry to have kept you waiting.
V-ing形式做主语和宾语
V-ing 形式做主语和宾语一．V-ing的形式动词的-ing形式在句中可做主语和宾语，起一个名词的作用，我们通常称为“动名词”。
V-ing形式有一般式和完成式。
及物动词的-ing形式还有主动语态和被动语态。
我们以及物动词make和不及物动词go为例，将其v-ing各种形式列之后，用一般式；v-ing形式表示的动作在主要动词之前发生，用完成式。
Eg: What worried the child most was not being allowed t o visit his mother in the hospital./ Learning English well is very important to all of us./He was praised for having saved a boy’s life./二．V-ing形式的基本用法1. v-ing做主语1) v-ing形式做主语: 表示抽象的概念，泛指经常性、不具体的动作；通常直接置于句首，谓语动词通常用单数。
Getting up early is a good thing. / Saying without doing is of no use./Wasting a person’s time is the same as killing him for his property.财产2）v-ing做主语时，如果其结构较长，可用形式主语it, 而将做主语的v-ing后置。
V-ing形式多为某些形容词和名词，此类句型有：It+ be + a waste of time doing… 做…是浪费时间的/It + is/was no good/ use doing… 做…是没有用的/Eg: It isn’t much good writing to them again./It is no use crying over spilt milk. 腹水难收/注意: 其他常见的能用于该结构的形容词还有: better, wonderful, enjoyable, interesting, foolish, difficult, useless, senseless, worthwhile等3）v-ing形式用于“There be”结构中，此类句型有：There is no doing … 无法，不予许…/ There is no sense doing … 做…没道理/ There is no use doing … 干…没用的/There is/ was nothing worse than doing… 没用比…更糟的了/There is/was no point doing… 干…无意义/4）v-ing的复合结构做主语时，v-ing的逻辑主语要用名词或形容词性物主代词的所有格，通常不用名词的普通格或代词的宾格。
v-ing做主语宾语
3. need, want, require.
You need to take more exercise.
The batteries in that toy need changing.
总结 1. V-ing可做动词的宾语
2. V-ing可做介词词的宾语 3. 有些动词或短语既可用ving也可 用不定式做宾语，但意义不同 4.有些动词或短语既可用ving也可 用不定式做宾语，但意义相同 5. need, want, require.
• It is no use asking for help. • It is worthwhile seeing the movie. • It is a waste of time playing computer games. • It is pleasant playing with friends. 1) It’s no use complaining. 2) It’s no good worrying about it. 3) It’s worthwhile visiting this city. 4) It’s a waste of time talking to him again.
be fond of spend…(in ) be busy (in) dream of be worth have difficulty (in)
2. 作及物动词的宾语
（1）有些动词后只能接动名词作宾语， 常用的有：
admit, appreciate, avoid, consider, enjoy, escape, finish, forgive, mind, suggest, imagine ...
Verb-ing Form as Subject and Object
Ving做主语和宾语
三、特殊情况
2. v + doing ≠ v + to do stop、go on、 ✓停下来正在做的事 stop doing ✓停下来去做另外一件事 stop to do
✓继续正在做的事 go on doing ✓继续去做另外一件事 go on to do
三、特殊情况
4. 固定句型 1 做某事遇见了麻烦/困难
have difficulty/trouble/problems doing sth have a hard time doing sth
2 做某事很开心
have fun doing sth have a good time doing sth
你能看出来那些词组后面跟V-ing做宾语吗
9. He used to put off going to the dentist. 10.I can't help thinking what he did.
二、V-ing 做宾语
3.在介词后面作宾语:
1.Are you insterested
in
2.I'm not good
going on a holiday.
二、V-ing 做宾语
3.在介词后面作宾语: 1.He sat there without saying anything. 2.Before going out, I turned off the radio. 3.What did you do after leaving school 4.The thieves got into the house by breaking a window and climbing in. 5.People in Britain and Australia are used to driving on the right.
v-ing做主语宾语表语
现在进行时表动作此刻正在发生，是由主语发出的动作 v-ing 说明主语的性质，用途， 特征。
Practice
为了梦想而努力学习是有意义的。 1.Studying hard for our dreams is meaningful. 听到这个不好的消息使他哭泣。 2.Hearing the bad news made him cry. 在他来之前，我已经读完整本书了。 3.Before he came , I’d finished reading the whole book. 我们正在考虑去远足。 4.We are considering going hiking.
will stand up and make another sentence. • Chen Huan likes listening to music.
3.V-ing 作表语 :
(1)v-ing 做表语的两种不同含义：
①-ing作表语可以表示主语的内容是什么。这时它是动名词,动名词做表 语时,表语和主语常可互换位置
Can you imagine living alone on an island?
4.他承认钱是他拿的。 He admitted taking the money. 5. 在教育上多花钱是值得的.
It is worthwhile spending much money on education.
My sister enjoys _s_t_a_n_d_in_g__ （站）alone on the seashore.
1.The wolf always dreams of catching sheep.
高中英语语法V-ing 作主语和宾语(共17张PPT)
3. My brother keeps ___ me with my
work.
A. to help B. help
C. helping D. helped
4. We should often practise ___ English
with each other.
A. to speak B. spoke
练一练：
我忘记见过这个有名的作家。
I forget seeing the famous writer.
我忘记去见这个有名的作家。
I forget to see the famous writer.
我后悔告诉你这个事实。
I regret telling you the fact.
我很遗憾告诉你这个事实。
C. speak
D. speaking
5. The story was so funny that we ___. A. couldn’t help laugh B. can’t but laugh C. couldn’t help laughing D. couldn’t help but to laugh
常用于以下句型中：
It +be+ no good/use doing 做……是没益/用处的 It +be +a waste of time doing 做……是浪费时间的 It +be +worth/worthwhile doing 做……是值得的
V-ing 做宾语
1. Mr. Wu enjoys listening to music. 2. Yang Gang admits making a mistake. 以下动词只能接V-ing作宾语： 避免错过少延期。 avoid/miss/ put off 建议完成多练习。suggest/finish/practise 喜欢想象禁不住。enjoy /imagine/can’t help 承认否定与嫉妒。admit/deny/envy 逃避冒险莫原谅。escape/risk/excuse 忍受保持不介意。stand/keep/mind
V-ing作主语和宾语
be used to do
被用来做某事
can't help doing 禁不住做某事
can't help (to) do 不能帮助做某事
forget doing forget to do
忘记做过了某事 忘记要去做某事
remember doing 记得做过了某事 remember to do 记得要去做某事 regret doing regret to do
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18.Seeing is _________. A.to believe B.believing C.believed D.being believed
பைடு நூலகம்
1. It’s no use waiting for him any longer. 2. It’s a waste of time arguing about it.
V-ing 作主语--- it作形式主语
• • • • • • • • It is no use/good doing… It is useless/worthwhile/fun doing… It is a pleasure/ a waste of time doing… There is no use/good/point doing… 和他聊天是一件开心的事。 It is a pleasure chatting with him. 抱怨是没有用的。 It/ There is no use complaining a lot.
后悔做过。。。 遗憾地去做
接V-ing = to be done的动词
既主动(doing)表示被动(to be done)意义, “需要” need, want, require, deserve + doing = need, want, require, deserve + to be done My computer needs repairing. My computer needs to be repaired.
ving做主语 宾语
知识定位非谓语动词:1) to do ：将来；目的2) v-ing形式(主动+进行)：动名词(主语；宾语；定语；表语)现在分词(状语；宾语补足语;定语)3）v-ed形式(被动+完成)判断条件：当一个句子中已经出现了主句的谓语动词，且没有连词出现，通常逗号隔开，仍有动词出现，那么这个动词就判断为非谓语动词。
1.There is a lot of evidence (show) that eating too much fat and sugar is harmful to our health.2. They sat in the café, (chat).3. The girl (stand) under the tree is my sister.4. (see) from the top of the mountain, the village looks very small.5. (walk) in the street, I met an old friend.6. I managed (finish) the work ahead of time.7. It is easy (solve) this problem.8. (keep) a balanced diet is beneficial to our health.9. I heard someone (sing) in the classroom.10. With a lot of homework (do), I’m not allowed to go out.11. Would you mind (open) the window?12. I managed (finish) the work ahead of time.13. It is easy (solve) this problem.第一节：v-ingstep1. Ving形式作主语1）动词ing形式做主语时，往往表示经常性或习惯性的动作，通常位于句首Reading aloud is a good way to learn a language.Eating too much candy is harmful to your teeth.2)形式主语it 代替动词ing形式做主语It is no use/ no fun/ no pleasure/no good doing…It is a waste of time doing sth.It is useless/ worthwhile doing sth.It is no pleasure (watch) TV alone.It is useless (argue) with a person like him.It is a waste of time ( persuade) such a person to join us.2. Ving形式做宾语：1）常见动词：avoid, admit, mind, enjoy, suggest, practice, keep, consider, regret, imagine…Would you mind my opening the window?He tried to avoid answering my questions.I suggest going swimming now.2）常见动词短语：Pay attention to, look forward to, feel like, be good at, get used to, devote..to, be fond of,insist on…, can’t help,Eg: He insisted on doing it in his own way.We are looking forward to paying a visit to Hangzhou.注意：1）某些动词后跟不定式和动名词，但意义不同。
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动词-ing形式
--作主语和宾语
1. 动词-ing形式的构成：是在动词末加-ing 形式构成如：do-doing, be-being, ask-asking, etc.
否定形式：not + -ing 构成
2. 动词-ing形式不能单独作谓语，没人称和数的变化，但可以有自己的宾语和状语，还有时态和语态的变化。
动词-ing形式时态和语态
主动被动
一般doing being done
完成having done having been done
I remember being taken to Wuhan when I was a very small child. (动词-ing的一般被动态) She admitted having opened the box. (动词-ing的完成式)
How about the two of us taking a walk down the garden? (动词-ing的复合结构)
动词-ing 形式能在句中作主语、宾语、表语、定语、宾语补足语和状语。
说出下面句中动词-ing部分在句中作什么成分。
Playing football is my favourite sport.
My sister enjoys standing alone on the seashore.
The cartoon is amusing.
China is developing country.
We heard her singing in her room.
She sat at the desk reading a newspaper.
在本单元首先讲解动词-ing 形式在句中作主语和宾语的用法。
动词-ing形式作主语
一直接置于句首
(1)Playing tricks on others is something we should never do. 捉弄别人是我们万万不能干的。
(2)Learning new words is very important for me. 学习新单词对我来说非常重要。
(3)Talking is easier than doing. 说比做容易。
2.用形式主语it，把真正的主语-ing形式移至句尾。
但这种句子形式有一定的限制，作表语的只能是某些形容词或少数名词。
(1)It is useless trying to argue with Shylock. 和夏洛克争辩是没有什么用的。
(2)It’s worth making the effort. 这事值得努力去做。
(3)It is pleasant working with you. 跟你在一起工作是令人愉快的。
常用-ing形式作主语的句型有：
It + be + a waste of time doing 做……是浪费时间的
It is/was no good/use doing 做……是没益/用处的
It is/was hardly/scarcely worth doing 做……不值得
It is/was worth/worthwhile doing 做……是值得的
There is no sense in doing 做……没有道理
二动词-ing形式作宾语
1. 只能后接动词-ing形式作宾语的动词或短语，常见的有avoid, consider, enjoy, keep, finish, suggest, dislike, delay, escape, cannot help, imagine, mind, miss, practise, cannot stand, excuse,fancy, give up, put off, risk等。
I can’t avoid going. 我不能不去。
2. 既可接动词-ing又可接不定式作宾语的动词，常见的有：begin, start, continue, like, love, prefer, mean, forget, remember, hate等。
I hope they continue to fight for equal justice after I'm gone.
Diana and Roy Jarvis are determined to continue working when they reach retirement age.
A. 在like, love, hate, prefer等动词之后，用-ing或不定式意义上没有什么不同，只是侧重点有些不同，动词-ing形式表示泛指的动作，不定式表示具体的一次性动作。
B. 在begin/start, continue之后，用动词-ing和不定式，意义无甚区别，尤其是当主语是人的时候。
C. 在动词forget, remember, regret之后，用动词-ing与不定式意义不同。
动词-ing表示动作先于谓语发生，不定式表示后于谓语动作。
I remember posting the letter. 我记得我已把信寄了。
I’ll remember to post the letter. 我会记着去寄信的。
I shall never forget seeing the famous writer. 我永远不会忘记见到过那位著名作家。
Don’t forget to write to your mother. 不要忘了给你母亲写信。
D.在try, mean之后，意义各不相同，如try to do (设法)，try doing (试试)，mean to do (打算，有意要做)，mean doing (意思是，意味着)。
We must try to get everything done in time. 我们必须设法及时把一切搞好。
Let’s try doing the working in some other way. 我们用别的方法做这个工作试试。
I didn’t mean to make you angry. 我并不想让你生气。
Your plan would mean spending hours. 你的计划意味着要花费几个小时。
E. go on doing和go on to do:
go on doing 继续做一直在做的事；go on to do 接着做另一件事。
Please go on doing the same exercise. 请接着做同一个练习。
Please go on to do the other exercise. 请做另外一个练习。
F. stop doing与stop to do:
stop doing 停止做; stop to do 停下正在干的事去干另一件事。
We stopped talking. 我们停止了交谈。
We stopped to talk. 我们停下来去谈话。
3. 作介词宾语
下列短语中的to都是介词，所以后面跟名词或-ing形式：devote to, object to, pay attention to, get down to, lead to, look forward to, stick to, be used to等。
In doing our work, we must pay attention to ways and means.
He was looking forward to working with the new manager.。