81. forget doing sth 忘记做过某事(已做)

　　I forgot turning off the lights. Look， it is dark in the room.

　　我忘记关过灯了。看，房间里黑着。

　　82. forget to do sth 忘了做某事(未做)

　　I forgot to turn off the lights. Could you go back and shut them off?

　　我忘记关灯了。你能回去关上吗?

　　83. remember doing sth 记得做过某事(已做)

　　I remembered returning your money. You are so forgetful.

　　我记得还给你钱了。你是如此健忘。

　　84. remember to do sth 记住做某事(未做)

　　Remember to bring me some money tomorrow.

　　记得明天给我带一些钱来。

　　85. stop to do sth 停下来去做另一件事

　　He stopped to talk with Mary when she entered the office.

　　当玛丽走进办公室时，他停下来和她谈话。

　　86. stop doing sth 停止正在做的事

　　The students stopped talking when the teacher came in.

　　当老师进来的时候，学生们停止了谈论。

　　87. watch/see/hear sb do sth 观看/看见/听见某人做了某事

　　I saw you pick an apple just now.

　　刚才，我看见你捡起了一个苹果。

　　88. watch/see/hear sb doing sth 观看/看见/听见某人在做某事

　　I saw you playing basketball with your classmates on the playground then.

　　那时，我看到你正和你的同学们在操场上踢足球。

　　89. go on doing sth 继续做同一件事

　　He went on reading after a short rest.

　　在短暂的休息后，他继续读书。

　　90. go on to do sth 继续做另一件事

　　He went on to read after finishing wash the dishes.

　　在洗完盘子后，他继续阅读。

　　91. go on with sth 继续某事

　　He went on with his work after a short rest.

　　在短暂的休息后，他继续他的工作。

　　92. say hello/goodbye to sb 向某人打招呼/告别

　　I came to say goodbye to you.

　　我来是和你告别的。

　　93. be busy doing sth 忙于做某事

　　They are busy planting trees on the hill.

　　他们正忙着在山上植树。

　　94. be interested in sth 对某事感兴趣

　　We are all interested in English.

　　我们都对英语感兴趣。

　　95. tell sb to do sth 让某人做某事

　　Mother told me to go shopping with her.

　　妈妈让我和她去购物。

　　96. ask sb to do sth 请某人做某事

　　Jim ask me to go rowing with him.

　　吉姆请我和他去划船。

　　97. call/ring sb up 给某人打电话

　　I will call you up tommow.

　　我明天会给你打电话。

　　98. be ready to do sth 准备好做某事

　　We are ready to have lunch.

　　我们准备好吃午饭。

　　99. go doing sth 去做某事

　　Let’s go fishing.

　　让我们去钓鱼吧。

　　100. prefer(doing)A to(doing)B 比起(做)B来更喜欢(做)A

　　Lucy prefers English to French.

　　比起法语来，我更喜欢英语。

　　I prefer staying at home to going to the cinema.

　　比起去看电影来，我更喜欢待在家里。