I can atrophy you can atrophy he can atrophy we can atrophy you can atrophy they can atrophy
V-ing form
I can be atrophying you can be atrophying he can be atrophying we can be atrophying you can be atrophying they can be atrophying
Perfect
I can have atrophied you can have atrophied he can have atrophied we can have atrophied you can have atrophied they can have atrophied
V-ing perfect
I can have been atrophying you can have been atrophying he can have been atrophying we can have been atrophying you can have been atrophying they can have been atrophying
Negation
Simple form
I can't atrophy you can't atrophy he can't atrophy we can't atrophy you can't atrophy they can't atrophy
V-ing form
I can't be atrophying you can't be atrophying he can't be atrophying we can't be atrophying you can't be atrophying they can't be atrophying
Perfect
I can't have atrophied you can't have atrophied he can't have atrophied we can't have atrophied you can't have atrophied they can't have atrophied
V-ing perfect
I can't have been atrophying you can't have been atrophying he can't have been atrophying we can't have been atrophying you can't have been atrophying they can't have been atrophying
Interrogative form
Simple form
can I atrophy? can you atrophy? can he atrophy? can we atrophy? can you atrophy? can they atrophy?
V-ing form
can I be atrophying? can you be atrophying? can he be atrophying? can we be atrophying? can you be atrophying? can they be atrophying?
Perfect
can I have atrophied? can you have atrophied? can he have atrophied? can we have atrophied? can you have atrophied? can they have atrophied?
V-ing perfect
can I have been atrophying? can you have been atrophying? can he have been atrophying? can we have been atrophying? can you have been atrophying? can they have been atrophying?
Interro-negative form
Simple form
can't I atrophy? can't you atrophy? can't he atrophy? can't we atrophy? can't you atrophy? can't they atrophy?
V-ing form
can't I be atrophying? can't you be atrophying? can't he be atrophying? can't we be atrophying? can't you be atrophying? can't they be atrophying?
Perfect
can't I have atrophied? can't you have atrophied? can't he have atrophied? can't we have atrophied? can't you have atrophied? can't they have atrophied?
V-ing perfect
can't I have been atrophying? can't you have been atrophying? can't he have been atrophying? can't we have been atrophying? can't you have been atrophying? can't they have been atrophying?