1. forget to do sth 忘记要做某事
2. forget doing sth忘记曾经做过某事
1. Don’t forget to tell him the news.
2。 I forgot telling her the news。
3。 Oh, I forget where she lives。
4. He forgot about the meeting.
You'd better write down her phone number before you ______ it． (2014重庆)
A。 forget B。 are forgetting
C。 forgot D。 will forget