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 can't deafen you can't deafen he can't deafen we can't deafen you can't deafen they can't deafen	I can't be deafening you can't be deafening he can't be deafening we can't be deafening you can't be deafening they can't be deafening
Perfect	V-ing perfect
I can't have deafened you can't have deafened he can't have deafened we can't have deafened you can't have deafened they can't have deafened	I can't have been deafening you can't have been deafening he can't have been deafening we can't have been deafening you can't have been deafening they can't 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't I deafen? can't you deafen? can't he deafen? can't we deafen? can't you deafen? can't they deafen?	can't I be deafening? can't you be deafening? can't he be deafening? can't we be deafening? can't you be deafening? can't they be deafening?
Perfect	V-ing perfect
can't I have deafened? can't you have deafened? can't he have deafened? can't we have deafened? can't you have deafened? can't they have deafened?	can't I have been deafening? can't you have been deafening? can't he have been deafening? can't we have been deafening? can't you have been deafening? can't they have been deafening?