A regular verb is a verb whose past tense is made by adding -ed.
eg walk - walked, continue - continued, play - played
An irregular verb is a verb that has a new word for the past.
eg run - ran. see - saw, buy - bought.
It's a regular verb.
Broadcast is a regular verb.
The verb to learn is a regular verb.
do dictionaries show regular and irregular verb tenses
regular
"Have" is an irregular verb in English.
It's irregular.
regular or irregular
It's an irregular verb.
It's an irregular verb.
To swim is an irregular verb.
It's an irregular verb.
Ate is an irregular verb.
It's an irregular verb.
irregular
irregular
By is not a verb, so it is neither regular nor irregular.