forgetting

/fərˈɡet/ 14

If you forget something or forget how to do something, you cannot think of it or think how to do it, although you knew it or knew how to do it in the past. ^{忘了 (某事物、如何做某事)}

verb [vt. 及物动词]忘记（forget 的 ing 形式）；遗忘

I keep forgetting it's December.^{我总是忘了现在是12月份。}