英和和英

I had forgotten.

to be forgotten―pass out of mind―pass out of one's memory―fade from one's memory―escape one's memory―slip one's memory―fall into oblivion―be buried in oblivion

to forget

a thing that is left behind

be buried in oblivion

For all mankind to glow!

I had quite forgotten it―forgotten all about it.

I forgot to say

I'd clean forgotten it.

a memory lapse

cause to unlearn

let slip

to forget oneself―lose oneself （in admiration）―be lost （in admiration）―be absorbed （in study）―be engrossed （in one's business）―be beside oneself （with joy or grief）

to be ungrateful

to forget something for a moment

to forget something―leave something behind

a state of being forgetful

I'd forgotten to write it

the state of having forgotten

forget to put out ...；forget to turn off ...

to recall

escape one's remembrance

be remembered

to forget completely

Have you forgotten it?

try to forget

to forget something

to remember vaguely

a thing whose mentioning was forgotten

memorable