forget的過去式和過去分詞和現在分詞

　　例句：

　　Neither of us forgot about it.

　　我倆都沒忘記它。

　　I forgot to ask him for his address.

　　我忘記向他要地址。

　　I keep forgetting it's December.

　　我總是忘了現在是12月份。

　　Forgetting my notes made me look stupid.

　　我忘了帶筆記，弄得自己像個傻瓜。

　　I feel awful about forgetting her birthday.

　　我忘了她的生日，感到很難過。