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 must not hesitate you must not hesitate she must not hesitate we must not hesitate you must not hesitate they must not hesitate
V-ing form
I must not be hesitating you must not be hesitating she must not be hesitating we must not be hesitating you must not be hesitating they must not be hesitating
Perfect
I must not have hesitated you must not have hesitated she must not have hesitated we must not have hesitated you must not have hesitated they must not have hesitated
V-ing perfect
I must not have been hesitating you must not have been hesitating she must not have been hesitating we must not have been hesitating you must not have been hesitating they must not 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
must I not hesitate? must you not hesitate? must she not hesitate? must we not hesitate? must you not hesitate? must they not hesitate?
V-ing form
must I not be hesitating? must you not be hesitating? must she not be hesitating? must we not be hesitating? must you not be hesitating? must they not be hesitating?
Perfect
must I not have hesitated? must you not have hesitated? must she not have hesitated? must we not have hesitated? must you not have hesitated? must they not have hesitated?
V-ing perfect
must I not have been hesitating? must you not have been hesitating? must she not have been hesitating? must we not have been hesitating? must you not have been hesitating? must they not have been hesitating?