2)宾语
第一类是有些动词之后面只能使用动名词做宾语。这些动词有：admit(承认)，acknowledge, appreciate(感激), avoid, consider, contemplate, delay, deny, detest, endure, enjoy, excuse, evade, face, finish, facilitate, fancy, favor, forgive, can’t help, imagine, include, involve, mention, mind, miss, postpone, practise, pardon, resent, resist, require, risk, stand, suggest, understand, be worth, feel like, can’t stand, think of, dream of, be fond of, prevent … (from), keep … from, stop …(from, protect … from, set about, be engaged in, spend … (in), succeed in, be used to, look forward to, object to, pay attention to, insist on, feel like等等。如：
They haven’t finished building the dam. 他们还没有建好大坝。
We have to prevent the air from being polluted. 我们必须阻止空气被污染。
He is considering changing a job. 他正在考虑换个工作。
第二类是既能带动名词又能带不定式作宾语的动词：attempt, begin, cease, continue, dread, forget, hate, intend, like, neglect, omit, prefer, propose, remember, start, try. 具体使用情形请看下述详细解释：
① 在begin, start, continue, like, hate, cease等后可以使用两种结构，无有区别。如：
Will you continue gardening/to garden after dinner? 饭后你继续干花园的活，好吗?
She likes to be flattered/being flattered. 她喜欢别人奉承她。
② need, want, require, deserve等动词表示“需要，值得”时，有两种结构可以用：一是使用动名词的主动式表被动;二是使用不定式的被动式。两者没有意义上的区别。如：
The flowers want watering. = The flowers want to be watered. 花该浇水了。
My hair needs cutting. = My hair needs to be cut. 我的头发该理了。
His performance deserves praising. = His performance deserves to be praised.
他的工作应该受到表扬。
③ remember, forget, regret等后面使用动词不定式表示未发生的动作;而使用动名词时表示已经发生的动作。如：
I regret to inform you that we are unable to offer you employment.
我很遗憾地通知你我们无法安排你的就业。
I regret being unable to help you. 我很遗憾当时未能帮你。
Don’t forget to post the letter on your way to work. 别忘了上班的路上把信寄走。
I forget posting the letter you gave me thins morning. 我忘了把你今天早上给我的信发走。