- (I) remember (you). 覚えてる。　(oboeteru。） 覚えてるよ！（oboeteruyo!) - (I) havn't forgot (you). 忘れてない。 (wasuretenai`。) 忘れてないよ！(wasuretenaiyo!)

Example akiko chan wo omoidashimasu. Thats what i think. I don't use "you" in meaning of respect. Also im not sure about informal akiko chan wo omoidashite.