Answer:
‘have’, ‘company’ are the verbs.
Explanation:
Verbs are action words. In a sentence, verbs refer to all the words that depict an action. For example: singing, dancing, eating, having, walking and so on are verbs as they refer to an action being done.
In the given sentence ‘A single company should never have a monopoly’, verbs are: ‘have’ and ‘company’. Having some thing is an action. Similarly, company can be used a verb which means accompanying someone. For example: I ‘companied’ her all the time. ‘Companied’ is a verb.