I must befit you must befit he must befit we must befit you must befit they must befit
V-ing form
I must be befitting you must be befitting he must be befitting we must be befitting you must be befitting they must be befitting
Perfect
I must have befit you must have befit he must have befit we must have befit you must have befit they must have befit
V-ing perfect
I must have been befitting you must have been befitting he must have been befitting we must have been befitting you must have been befitting they must have been befitting
Negation
Simple form
I mustn't befit you mustn't befit he mustn't befit we mustn't befit you mustn't befit they mustn't befit
V-ing form
I mustn't be befitting you mustn't be befitting he mustn't be befitting we mustn't be befitting you mustn't be befitting they mustn't be befitting
Perfect
I mustn't have befit you mustn't have befit he mustn't have befit we mustn't have befit you mustn't have befit they mustn't have befit
V-ing perfect
I mustn't have been befitting you mustn't have been befitting he mustn't have been befitting we mustn't have been befitting you mustn't have been befitting they mustn't have been befitting
Interrogative form
Simple form
must I befit? must you befit? must he befit? must we befit? must you befit? must they befit?
V-ing form
must I be befitting? must you be befitting? must he be befitting? must we be befitting? must you be befitting? must they be befitting?
Perfect
must I have befit? must you have befit? must he have befit? must we have befit? must you have befit? must they have befit?
V-ing perfect
must I have been befitting? must you have been befitting? must he have been befitting? must we have been befitting? must you have been befitting? must they have been befitting?
Interro-negative form
Simple form
mustn't I befit? mustn't you befit? mustn't he befit? mustn't we befit? mustn't you befit? mustn't they befit?
V-ing form
mustn't I be befitting? mustn't you be befitting? mustn't he be befitting? mustn't we be befitting? mustn't you be befitting? mustn't they be befitting?
Perfect
mustn't I have befit? mustn't you have befit? mustn't he have befit? mustn't we have befit? mustn't you have befit? mustn't they have befit?
V-ing perfect
mustn't I have been befitting? mustn't you have been befitting? mustn't he have been befitting? mustn't we have been befitting? mustn't you have been befitting? mustn't they have been befitting?