1. 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 still 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 39; 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。
2. 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 39; t you remember seeing the man before?
你不记得以前见过那个人吗