English verb conjugation
CAN TUMEFY

Regular verb: tumefy - tumefied - tumefied

Affirmation

Simple form	V-ing form
I can tumefy you can tumefy he can tumefy we can tumefy you can tumefy they can tumefy	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	V-ing 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	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	V-ing form
I cannot tumefy you cannot tumefy he cannot tumefy we cannot tumefy you cannot tumefy they cannot tumefy	I cannot be tumefying you cannot be tumefying he cannot be tumefying we cannot be tumefying you cannot be tumefying they cannot be tumefying
Perfect	V-ing perfect
I cannot have tumefied you cannot have tumefied he cannot have tumefied we cannot have tumefied you cannot have tumefied they cannot have tumefied	I cannot have been tumefying you cannot have been tumefying he cannot have been tumefying we cannot have been tumefying you cannot have been tumefying they cannot have been tumefying

Interrogative form

Simple form	V-ing form
can I tumefy? can you tumefy? can he tumefy? can we tumefy? can you tumefy? can they tumefy?	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	V-ing 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?	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	V-ing form
can I not tumefy? can you not tumefy? can he not tumefy? can we not tumefy? can you not tumefy? can they not tumefy?	can I not be tumefying? can you not be tumefying? can he not be tumefying? can we not be tumefying? can you not be tumefying? can they not be tumefying?
Perfect	V-ing perfect
can I not have tumefied? can you not have tumefied? can he not have tumefied? can we not have tumefied? can you not have tumefied? can they not have tumefied?	can I not have been tumefying? can you not have been tumefying? can he not have been tumefying? can we not have been tumefying? can you not have been tumefying? can they not have been tumefying?