I must hesitate you must hesitate she must hesitate we must hesitate you must hesitate they must hesitate
V-ing form
I must be hesitating you must be hesitating she must be hesitating we must be hesitating you must be hesitating they must be hesitating
Perfect
I must have hesitated you must have hesitated she must have hesitated we must have hesitated you must have hesitated they must have hesitated
V-ing perfect
I must have been hesitating you must have been hesitating she must have been hesitating we must have been hesitating you must have been hesitating they must have been hesitating
Negation
Simple form
I mustn't hesitate you mustn't hesitate she mustn't hesitate we mustn't hesitate you mustn't hesitate they mustn't hesitate
V-ing form
I mustn't be hesitating you mustn't be hesitating she mustn't be hesitating we mustn't be hesitating you mustn't be hesitating they mustn't be hesitating
Perfect
I mustn't have hesitated you mustn't have hesitated she mustn't have hesitated we mustn't have hesitated you mustn't have hesitated they mustn't have hesitated
V-ing perfect
I mustn't have been hesitating you mustn't have been hesitating she mustn't have been hesitating we mustn't have been hesitating you mustn't have been hesitating they mustn't have been hesitating
Interrogative form
Simple form
must I hesitate? must you hesitate? must she hesitate? must we hesitate? must you hesitate? must they hesitate?
V-ing form
must I be hesitating? must you be hesitating? must she be hesitating? must we be hesitating? must you be hesitating? must they be hesitating?
Perfect
must I have hesitated? must you have hesitated? must she have hesitated? must we have hesitated? must you have hesitated? must they have hesitated?
V-ing perfect
must I have been hesitating? must you have been hesitating? must she have been hesitating? must we have been hesitating? must you have been hesitating? must they have been hesitating?
Interro-negative form
Simple form
mustn't I hesitate? mustn't you hesitate? mustn't she hesitate? mustn't we hesitate? mustn't you hesitate? mustn't they hesitate?
V-ing form
mustn't I be hesitating? mustn't you be hesitating? mustn't she be hesitating? mustn't we be hesitating? mustn't you be hesitating? mustn't they be hesitating?
Perfect
mustn't I have hesitated? mustn't you have hesitated? mustn't she have hesitated? mustn't we have hesitated? mustn't you have hesitated? mustn't they have hesitated?
V-ing perfect
mustn't I have been hesitating? mustn't you have been hesitating? mustn't she have been hesitating? mustn't we have been hesitating? mustn't you have been hesitating? mustn't they have been hesitating?