English verb conjugation
MUST ATROPHY

Regular verb: atrophy - atrophied - atrophied

Affirmation

Simple form	V-ing form
I must atrophy you must atrophy she must atrophy we must atrophy you must atrophy they must atrophy	I must be atrophying you must be atrophying she must be atrophying we must be atrophying you must be atrophying they must be atrophying
Perfect	V-ing perfect
I must have atrophied you must have atrophied she must have atrophied we must have atrophied you must have atrophied they must have atrophied	I must have been atrophying you must have been atrophying she must have been atrophying we must have been atrophying you must have been atrophying they must have been atrophying

Negation

Simple form	V-ing form
I mustn't atrophy you mustn't atrophy she mustn't atrophy we mustn't atrophy you mustn't atrophy they mustn't atrophy	I mustn't be atrophying you mustn't be atrophying she mustn't be atrophying we mustn't be atrophying you mustn't be atrophying they mustn't be atrophying
Perfect	V-ing perfect
I mustn't have atrophied you mustn't have atrophied she mustn't have atrophied we mustn't have atrophied you mustn't have atrophied they mustn't have atrophied	I mustn't have been atrophying you mustn't have been atrophying she mustn't have been atrophying we mustn't have been atrophying you mustn't have been atrophying they mustn't have been atrophying

Interrogative form

Simple form	V-ing form
must I atrophy? must you atrophy? must she atrophy? must we atrophy? must you atrophy? must they atrophy?	must I be atrophying? must you be atrophying? must she be atrophying? must we be atrophying? must you be atrophying? must they be atrophying?
Perfect	V-ing perfect
must I have atrophied? must you have atrophied? must she have atrophied? must we have atrophied? must you have atrophied? must they have atrophied?	must I have been atrophying? must you have been atrophying? must she have been atrophying? must we have been atrophying? must you have been atrophying? must they have been atrophying?

Interro-negative form

Simple form	V-ing form
mustn't I atrophy? mustn't you atrophy? mustn't she atrophy? mustn't we atrophy? mustn't you atrophy? mustn't they atrophy?	mustn't I be atrophying? mustn't you be atrophying? mustn't she be atrophying? mustn't we be atrophying? mustn't you be atrophying? mustn't they be atrophying?
Perfect	V-ing perfect
mustn't I have atrophied? mustn't you have atrophied? mustn't she have atrophied? mustn't we have atrophied? mustn't you have atrophied? mustn't they have atrophied?	mustn't I have been atrophying? mustn't you have been atrophying? mustn't she have been atrophying? mustn't we have been atrophying? mustn't you have been atrophying? mustn't they have been atrophying?