What is the verb of learn?

The verb of "learn" is learn itself. It's a regular verb, so it doesn't change much in different tenses:

* Present tense: I learn, you learn, he/she/it learns, we learn, you learn, they learn

* Past tense: I learned, you learned, he/she/it learned, we learned, you learned, they learned

* Present participle: learning

* Past participle: learned