May And Might' Are Used To Denote Possibility, Compulsion, Obligation, Probability (In Present And Future)'Can And Could' Are Used To Express – Ability, Probability, Possibility, Suggestion, Request, Condition'Will And Would' Are Used To Express – Action In Future, Present Habit, Compulsion, Obligation'Shall And Should' Are Used To Express – Action In Future, Suggestion, Surprise, Importance Or Purpose'Must' Is Used To Denote Logical Conclusions, Necessity, Event Occurring Definitely In Present, Event Occurring Definitely In PastDifferent Patterns For Using Modal Auxiliary Verbs
