sold is the past tense of sell.
Regular verb past tenses are formed by adding -ed to the verb eg walk = walked / talk = talked, listen = listened
So sell is an irregular verb because the past tense sold is not formed by adding -ed
"Answer" is a regular verb. In the past tense, it becomes "answered" by simply adding "-ed" to the base form of the verb.
Sold is a verb. It's the past tense of sell.
Verb have is the helping verb sold is the action verb
The verb "flooded" is a regular verb, as it follows the typical pattern of adding -ed to the base form of the verb to form the past tense.
Bruise is a verb. It is a regular verb
There is no verb of 'regular'. regular is either a noun or a adjective
"Whispered" is a regular verb. It follows the typical pattern for forming the past tense by adding "-ed" to the base form.
When used as a verb, the word heart is a regular verb.
It's a regular verb.
Broadcast is a regular verb.
The verb to learn is a regular verb.
Yes, "study" is a regular verb.