1) He has forgotten how to do it.
他忘记怎么做了。
3) He forgot to bring fishing tackle with him.
他忘记了带渔具。
4) It is probable that he forgot.
他也许是忘记了。
5) He has certainly forgotten wears.
他一定忘记穿了。
6) He forgot to bring his umbrella.
他忘记带伞来了。
参考词条