regular or irregular
"Built" is an irregular verb. Regular verbs form their past tense by adding "-ed" to the base form, while irregular verbs have unique past tense forms that do not follow this pattern.
It's an irregular verb.
"Answer" is a regular verb. In the past tense, it becomes "answered" by simply adding "-ed" to the base form of the verb.
"Have" is an irregular verb in English.
It's an irregular verb.
To swim is an irregular verb.
It's an irregular verb.
"Wrote" is an irregular verb.
It's an irregular verb.
The verb "blew" is an irregular verb. It does not follow the standard pattern of adding "-ed" to form its past tense.
Ate is an irregular verb.