It's a bit tricky because "learn" is a verb, and we usually don't make verbs plural. However, in some cases, we use the third-person singular form of a verb to indicate multiple occurrences, like "He learns a new language every year."
It's a bit tricky because "learn" is a verb, and we usually don't make verbs plural. However, in some cases, we use the third-person singular form of a verb to indicate multiple occurrences, like "He learns a new language every year."