forget to do something和forget doing something区别用法
问题描述：
forget to do something和forget doing something区别用法
答
forget to do sth 忘记要去做某事
Sorry,I forgot to bring the book.我忘记带书
forget doing sth 忘记以前曾经做过某事
I forgot borrowing a book from you.我忘记带书这件事.