

Я буду помнить этот день.
I will remember this day.
Трудно помнить все имена.
It's hard to remember all the names.
Ты должен помнить свой адрес.
You must remember your address.
"помнить" is in the lesson "Verbs 21" (Level 44), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.