forget的形容詞形式是什麼

Who could forget his speech at last year's party?

誰能忘記他去年在聚會上的講話呢？

It should not be forgotten that people used to get much more exercise.

不應忘記的'是，人們過去的鍛鍊要多得多。

Could you possibly forget about work for five minutes?

你能不能勻出五分鐘來不去想工作？

I'd like to try and forget the whole episode.

我倒想盡量把那段經歷全部忘掉。

I'll never forget hearing this piece of music for the first time.

我永遠不會忘記第一次聽到這首曲子的情景。