一些特殊词精讲1.1 stop doing/to dostop to do停止，中断做某事后去做另一件事stop doing停止做某事They stop to smoke a cigarette. 他们停下来，抽了根烟I must stop smoking.. 我必须戒烟了典型例题 She reached the top of the hill and stopped ___on a big rock by the side of the path.A. to have rested B. resting C. to rest D. rest答案：C由题意可知，她到了山顶，停下来在一个路边的大石头上休息因此，应选择"stop to do sth. 停下来去做另一件事"而不仅仅是爬山动作的终止，所以stop doing sth.不正确1.2 forget doing/to do forget to do忘记要去做某事未做)forget doing忘记做过某事已做)The light in the office is stil on. He forgot to turn it off.办公室的灯还在亮着，它忘记关了。
没有做关灯的动作)He forgot turning the light off. 他忘记他已经关了灯了 ( 已做过关灯的动作)Don't forget to come tomorrow.别忘了明天来 (to come动作未做)典型例题---- The light in the office is still on.---- Oh，I forgot___. A. turning it off B. turn it off C. to turn it off D. having turned it off 答案：C由the light is still on 可知灯亮着，即关灯的动作没有发生，因此用forget to do sth.而forget doing sth表示灯已经关上了，而自己忘记了这一事实此处不符合题意1.3 remember doing/to do remember to do 记得去做某事 (未做)remember doing记得做过某事 (已做)Remember to go to the post office after school.记着放学后去趟邮局Don't you remember seeing the man before? 你不记得以前见过那个人吗?1.4 regret doing/to do regret to do 对要做的事遗憾。
未做)regret doing 对做过的事遗憾、后悔已做)I regret to have to do this, but I have no choice.我很遗憾必须这样去做，我实在没有办法I don't regret telling her what I thought.我不为告诉她我的想法而后悔典型例题---You were brave enough to raise objections at the meeting. ---Well, now I regret ___ that.A. to do B. to be doing C.to have done D.having done答案：Dregret having done sth. 对已发生的事感到遗憾regret to do sth. 对将要做的事感到遗憾本题为对已说的话感到后悔，因此选D1.5 cease doing/to do cease to do 长时间，甚至永远停做某事cease doing 短时停止做某事，以后还会接着做That department has ceased to exist forever. 那个部门已不复存在。
The girls ceased chatting for a moment when their teacher passed by.姑娘们在老师走过时，停了会聊天1.6 try doing/to do try to do努力，企图做某事try doing 试验，试着做某事You must try to be more careful.你可要多加小心I tried gardening but didn't succeed.我试着种果木花卉，但未成功1.7 go on doing/to do go on to do做了一件事后，接着做另一件事go on doing 继续做原来做的事 After he had finished his maths，he went on to do his physics. 做完数学后，他接着去做物理 Go on doing the other exercise after you have finished this one. 作完这个练习后，接着做其他的练习1.8 be afraid doing/to do be afraid to do不敢，胆怯去做某事，是主观上的原因不去做，意为"怕"；be afraid of doing担心出现doing的状况、结果。
doing 是客观上造成的，意为"生怕，恐怕"She was afraid to step further in grass because she was afraid of being bitten by a snake.她生怕被蛇咬着，而不敢在草丛中再走一步She was afraid to wake her husband.她不敢去叫醒她丈夫She was afraid of waking her husband.她生怕吵醒她丈夫1.9 be interested doing/to do interested to do 对做某事感兴趣，想了解某事interested in doing 对某种想法感兴趣，doing 通常为想法I shall be interested to know what happens.我很想知道发生了什么事 (想了解)I'm interested in working in Switzerland. Do you have any idea about that?我对在瑞士工作感兴趣你想过这事吗? (一种想法)1.10 mean to doing/to do mean to do 打算、想mean doing意味着I mean to go, but my father would not allow me to.我想去，但是我父亲不肯让我去。
To raise wage means increasing purchasing power.赠加工资意味着增加购买力1.11 begin(start) doing/to do begin / start to do sth begin / start doing sth.1)谈及一项长期活动或开始一种习惯时，使用doing. How old were you when you first started playing the piano? 你几岁时开始弹钢琴？2)begin, start用进行时时，后面动词用不定式to doI was beginning to get angry我开始生起气来3)在attempt, intend, begin, start 后接know, understand, realize这类动词时，常用不定式to do I begin to understand the truth我开始明白真相4)物作主语时It began to melt.1.12 感官动词 + doing/to do 感官动词 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do 表示动作的完整性，真实性；+doing 表示动作的连续性，进行性I saw him work in the garden yesterday.昨天我看见他在花园里干活了。
强调"我看见了"这个事实)I saw him working in the garden yesterday.（强调"我见他正干活"这个动作）昨天我见他正在花园里干活典型例题1）They knew her very well. They had seen her ___ up from childhood. A. grow B. grew C. was growing D. to grow 答案：A因题意为，他们看着她长大，因此强调的是成长的过程，而非正在长的动作，因此用see sb do sth 的句型2）The missing boy was last seen ___ near the river.A. playing B. to be playingC. playD. to play答案A. 本题强调其动作，正在河边玩，应此用see sb. doing sth句型。