What are past tense verbs?

Answer:
those verbs happened in the ex.
I called you last night but you're not answering it.
called-past tense verb.

You add ed to regular verbs to form the past tense. (Call is a regular verb)
Irregular verbs have different words as their past tense that must be learned.
First answer by Jrtamonan. Last edit by Jrtamonan. Contributor trust: 3 [recommend contributor recommended]. Question popularity: 4 [recommend question].