English verb conjugation
CAN DEAFEN

Regular verb: deafen - deafened - deafened

Affirmation

Simple form	V-ing form
I can deafen you can deafen he can deafen we can deafen you can deafen they can deafen	I can be deafening you can be deafening he can be deafening we can be deafening you can be deafening they can be deafening
Perfect	V-ing perfect
I can have deafened you can have deafened he can have deafened we can have deafened you can have deafened they can have deafened	I can have been deafening you can have been deafening he can have been deafening we can have been deafening you can have been deafening they can have been deafening

Negation

Simple form	V-ing form
I cannot deafen you cannot deafen he cannot deafen we cannot deafen you cannot deafen they cannot deafen	I cannot be deafening you cannot be deafening he cannot be deafening we cannot be deafening you cannot be deafening they cannot be deafening
Perfect	V-ing perfect
I cannot have deafened you cannot have deafened he cannot have deafened we cannot have deafened you cannot have deafened they cannot have deafened	I cannot have been deafening you cannot have been deafening he cannot have been deafening we cannot have been deafening you cannot have been deafening they cannot have been deafening

Interrogative form

Simple form	V-ing form
can I deafen? can you deafen? can he deafen? can we deafen? can you deafen? can they deafen?	can I be deafening? can you be deafening? can he be deafening? can we be deafening? can you be deafening? can they be deafening?
Perfect	V-ing perfect
can I have deafened? can you have deafened? can he have deafened? can we have deafened? can you have deafened? can they have deafened?	can I have been deafening? can you have been deafening? can he have been deafening? can we have been deafening? can you have been deafening? can they have been deafening?

Interro-negative form

Simple form	V-ing form
can I not deafen? can you not deafen? can he not deafen? can we not deafen? can you not deafen? can they not deafen?	can I not be deafening? can you not be deafening? can he not be deafening? can we not be deafening? can you not be deafening? can they not be deafening?
Perfect	V-ing perfect
can I not have deafened? can you not have deafened? can he not have deafened? can we not have deafened? can you not have deafened? can they not have deafened?	can I not have been deafening? can you not have been deafening? can he not have been deafening? can we not have been deafening? can you not have been deafening? can they not have been deafening?