I can tumefy you can tumefy he can tumefy we can tumefy you can tumefy they can tumefy
V-ing form
I can be tumefying you can be tumefying he can be tumefying we can be tumefying you can be tumefying they can be tumefying
Perfect
I can have tumefied you can have tumefied he can have tumefied we can have tumefied you can have tumefied they can have tumefied
V-ing perfect
I can have been tumefying you can have been tumefying he can have been tumefying we can have been tumefying you can have been tumefying they can have been tumefying
Negation
Simple form
I can't tumefy you can't tumefy he can't tumefy we can't tumefy you can't tumefy they can't tumefy
V-ing form
I can't be tumefying you can't be tumefying he can't be tumefying we can't be tumefying you can't be tumefying they can't be tumefying
Perfect
I can't have tumefied you can't have tumefied he can't have tumefied we can't have tumefied you can't have tumefied they can't have tumefied
V-ing perfect
I can't have been tumefying you can't have been tumefying he can't have been tumefying we can't have been tumefying you can't have been tumefying they can't have been tumefying
Interrogative form
Simple form
can I tumefy? can you tumefy? can he tumefy? can we tumefy? can you tumefy? can they tumefy?
V-ing form
can I be tumefying? can you be tumefying? can he be tumefying? can we be tumefying? can you be tumefying? can they be tumefying?
Perfect
can I have tumefied? can you have tumefied? can he have tumefied? can we have tumefied? can you have tumefied? can they have tumefied?
V-ing perfect
can I have been tumefying? can you have been tumefying? can he have been tumefying? can we have been tumefying? can you have been tumefying? can they have been tumefying?
Interro-negative form
Simple form
can't I tumefy? can't you tumefy? can't he tumefy? can't we tumefy? can't you tumefy? can't they tumefy?
V-ing form
can't I be tumefying? can't you be tumefying? can't he be tumefying? can't we be tumefying? can't you be tumefying? can't they be tumefying?
Perfect
can't I have tumefied? can't you have tumefied? can't he have tumefied? can't we have tumefied? can't you have tumefied? can't they have tumefied?
V-ing perfect
can't I have been tumefying? can't you have been tumefying? can't he have been tumefying? can't we have been tumefying? can't you have been tumefying? can't they have been tumefying?