动名词作主语
动名词作主语往往表示经常性、习惯性的动作或状态。
一、动名词作主语的几种情况
1.动名词直接置于句首。
Working in the conditions is not a pleasure but a pain.
2.v.-ing形式作主语,有时可以后置,用it作形式主语。
It is no use crying over spilt milk. 覆水难收。
3.There be 结构中作主语。
There is no saying when he'll come. 很难说他何时回来。
4.动名词的复合结构作主语。
当动名词有自己的逻辑主语时,常可以在前面加上所有格名词或物主代词,构成动名词的复合结构。动名词的复合结构也可以在句中作主语。如:
Their coming to help was a great encouragement to us.
二、动名词作主语,谓语动词的形式
动名词(短语)作主语,谓语动词用单数形式。
Watching TV too much is bad for your eyes. 看电视太多对你的眼睛有害处。
三、动名词作主语与动词不定式作主语的区别
动词不定式和动名词都可以用作主语,在意义上相近,但动名词多用来表示泛指或抽象动作,不定式多用来表示特指或具体动作。动名词表示已知的事情或经验,不定式通常表示未完成的事情或未达成的目的。
Smoking is not good for health.吸烟不利于健康。
It is not good for you to smoke so much.吸烟太多对你没有好处。
用不定式作主语的常见情况:
1)It is necessary/important/impossible/difficult...(for sb.) to do sth. 句型
2)It is kind/foolish/clever/stupid/nice/rude/careless/friendly...(of sb.) to do sth. 句型
3)It takes sb. sth. to do sth.句型
4)不定式和when/where/how/what/whether等连用,在句子中作主
练习:单句填空
(know) where the ball would go wasn't easy.
2. (shoot) with great accuracy was another thing he learnt.
3. In this way, (practise)day in and day out helped Stephen sharpen his skills.
4. (play) basketball was his dream.
5. (wear) the latest equipment,such as smart earphones,allows people to get the best out of their training.
6. (Watch) news on TV has become a routine for me.
7. (talk)is easier than doing.
8. It is necessary for us (master) a foreign language.
9. It is very kind of you ( help) us.
10. It took me two hours ( finish) the work.
11. How (solve) the problem is still being discussed.
12. Where ( put )the box seems hard to decide.
13. It is a waste of time (persuade) such a person to join us.
14. There is no (tell) how many miles you will have to run while chasing a dream.
15. Making noise in class is impolite.
16. (learn)to think critically is an important skill today's children will need for the future.
17.But (use) cheese brine could help both cheese producers and cities save money.
18.Building such a bridge over the bay (be) a hard nut to crack, but the local government made it within two years.
19.Determining where we are in relation to our surroundings (remain) an essential skill for our survival.
20. (travel) along the old Silk Road is an interesting and rewarding experience.
21.It took him a long time (acquire) the skills he needed to become a good dancer.
22. (have)a trip there will give you a good understanding of Chinese culture.
23.An art show will be held next week, and (protect) the environment is the theme of the show.
24.It is essential (take) a useful summer vacation after the exam.
25.There is no sense (persuade) him any longer. Once he has made up his mind, nothing can change it.
26. (listen) to delightful music will make you relaxed.
27.It is necessary for us (form) a good habit when we’re young.
28.Her (lose) her new bike really made her mother very upset.
29.There is no (deny) that China will protect its own interests.
30. (play) with such lovely children is very interesting.
31.It is important for the man (obtain) a lot of knowledge.
32.Working with so selfish a person (be) a terrible thing.
参考答案:
1.Knowing(know) where the ball would go wasn't easy.
2.Shooting(shoot) with great accuracy was another thing he learnt.
3.In this way, practising(practise)day in and day out helped Stephen sharpen his skills.
4.Playing(play) basketball was his dream.
5.Wearing(wear) the latest equipment,such as smart earphones,allows people to get the best out of their training.
6. Watching (Watch) news on TV has become a routine for me.
7. Talking (talk)is easier than doing.
8. It is necessary for us to master (master) a foreign language.
9. It is very kind of you to help ( help) us.
10. It took me two hours to finish ( finish) the work.
11. How to solve (solve) the problem is still being discussed.
12. Where to put ( put )the box seems hard to decide.
13. It is a waste of time persuading (persuade) such a person to join us.
14. There is no telling (tell) how many miles you will have to run while chasing a dream.
15. Making noise in class is impolite.
16.Learning(learn)to think critically is an important skill today's children will need for the future.
17.But using(use) cheese brine could help both cheese producers and cities save money.
18.Building such a bridge over the bay was(be) a hard nut to crack, but the local government made it within two years.
19.Determining where we are in relation to our surroundings remains(remain) an essential skill for our survival.
20.Traveling(travel) along the old Silk Road is an interesting and rewarding experience.
21.It took him a long time to acquire(acquire) the skills he needed to become a good dancer.
22.Having(have)a trip there will give you a good understanding of Chinese culture.
23.An art show will be held next week, and protecting(protect) the environment is the theme of the show.
24.It is essential to take(take) a useful summer vacation after the exam.
25.There is no sense persuading(persuade) him any longer. Once he has made up his mind, nothing can change it.
26.Listening(listen) to delightful music will make you relaxed.
27.It is necessary for us to form(form) a good habit when we’re young.
28.Her losing(lose) her new bike really made her mother very upset.
29.There is no denying(deny) that China will protect its own interests.
30.Playing(play) with such lovely children is very interesting.
31.It is important for the man to obtain(obtain) a lot of knowledge.
32.Working with so selfish a person is(be) a terrible thing.