Comunicating with someone for the purpose of business and professional works is known as Speech

Business Speech

Explanation:

Busdiness Speech is the type of communication where two or more people engage in a direct and effective conversation where everyone is involved in professional and commercial matters. This type of speech is very common in business environments, where this type of subject is recurrent and tends to involve many people, such as entrepreneurs, employees, administrators, among others.

modal adverbs are used to modify specific verbs that consist of a linking verb (verb of being) and sometimes another verb. examples of modal verbs include can, could, may, might, must, shall, should, will and would.

modal auxiliary. an auxiliary verb characteristically used with other verbs to express mood, aspect, or tense. in english, the most common modal auxiliaries are can, could, may, might, must, ought, shall, should, will, and would. also called modal .