Oh yah, I almost forgot to say thank you for the tea you gave me the other day.
Oh, that reminds me. I meant to say thank you for the yummy tea you gave me a few days ago.
ーOh yah, I almost forgot to say thank you for the tea you gave me the other day.
「ああ、先日いただいたお茶のお礼を言い忘れるところでした」
I almost forgot to say ... 「…を言い忘れるところでした」と言えます。
ーOh, that reminds me. I meant to say thank you for the yummy tea you gave me a few days ago.
「ああ思い出した。数日前にいただいた美味しいお茶のお礼を言いたかったんです」
That reminds me. 「それで思い出した」
I meant to say ... で「…と言おうと思っていた」
ご参考まで!