. My Uncle goes office by his own car and never hires a bus to travel?
Does my uncle only hire a bus to go to office every day?
Who goes office by own car?
Where does he go to?
What is the medium of transportation for my uncle to visit office each day?
A modal is that situational word which is primarily taken as word to define situation clearly in a given time period by a human-being. They reflect a mood or taken as verb forms to express formation of mind for qualities such as: - ability; possibility; permission, obligation, prediction, request, general facts, probability, insistence (firmness), promise, suggestion, habitual use, past sensation, tentative (hesitant) use, etc.