What is the present tense of learned?

Answer 1

learned is already in the past tense.

The present would be "learn"

adding ed onto words usually makes the past tense.

example:

Last week we learned about dogs. (past)

In school we learn about math. (present)

Answer 2

I/you/we/they learn. He/she/it learns.

The present participle is learning.

Answer 3

The present tense of "learned" is "learn".