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