内容正文:
初中语法专项
——动名词
动名词是动词的一种非谓语形式,仍旧是动词,但是不能做谓语
v.+ing
它在句中起名词的作用。
主语,表语,宾语,定语
Grammar: 动名词
作主语:泛指某动作或行为。
Getting up early is a good habit.
Fishing is Tom’s favorite hobby.
Grammar: 动名词
动名词和不定式不可互换情况①:
Seeing is believing.
To see is to believe.
当表语是动名词,主语也要用动名词;当表语是不定式,主语也要用不定式。
不可互换情况②:
It’s no use doing…
It’s no good doing…
It’s a waste time doing…
It’s no use going there. He won’t be at home.
It’s a waste of time arguing about it.
在下列句型中,一般用动名词
It’s important…
It’s necessary…
It’s important to learn foreign languages.
It’s necessary to read it many times.
在下列句型中, 只能用不定式。
②作表语
Her job is looking after children.
Seeing is believing.
Grammar: 动名词
③作宾语:动词宾语,介词宾语
She sat there without speaking.
David is interested in driving.
Betty enjoys listening to pop music.
Grammar: 动名词
只能用动名词作宾语的动词有:
Mary is considering changing her job.
I enjoy working with you.
Would you mind ringing me up tomorrow?
avoid(避免), admit(允许), consider(考虑), delay(推迟), advise(建议), enjoy, practice, keep, finish, escape(逃离), mind(建议),prefer(宁愿)…to, object to (反对)
既可以用动名词又可以用不定式作宾语的动词有:
continue, forget, hate, like, love, plan, regret, remember, start, try, want, need, can’t afford
加动名词和不定式作宾语的含义不同:
I forgot to close the door before I left the room.
I forgot having closed the door.
加动名词和不定式作宾语的含义不同:
Please remember to post the letter for me.
She remembered having come here before.
加动名词和不定式作宾语的含义不同:
He tried to write better.
He tried writing with a brush.
加动名词和不定式作宾语的含义不同:
Let’s stop talking. The class begins.
You look so tired. Please stop to have a rest.
加动名词和不定式作宾语的含义不同:
This sign means stopping.
He didn’t mean to do that.
加动名词和不定式作宾语的含义不同:
I regret to tell you that you can’t pass the exam.
I regret disturbing you so long.
④作定语
a reading room
a swimming pool.
Grammar: 动名词
He sat there. He did not say anything.
→He sat there without saying anything.
He turned off the radio. He left the room.
→Before leaving the room, he turned off the radio.
I must apologize. I interrupted you.
→I must apol