English verb conjugation
MUST DEAFEN

Regular verb: deafen - deafened - deafened

Affirmation

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

Negation

Simple form	V-ing form
I mustn't deafen you mustn't deafen she mustn't deafen we mustn't deafen you mustn't deafen they mustn't deafen	I mustn't be deafening you mustn't be deafening she mustn't be deafening we mustn't be deafening you mustn't be deafening they mustn't be deafening
Perfect	V-ing perfect
I mustn't have deafened you mustn't have deafened she mustn't have deafened we mustn't have deafened you mustn't have deafened they mustn't have deafened	I mustn't have been deafening you mustn't have been deafening she mustn't have been deafening we mustn't have been deafening you mustn't have been deafening they mustn't have been deafening

Interrogative form

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

Interro-negative form

Simple form	V-ing form
mustn't I deafen? mustn't you deafen? mustn't she deafen? mustn't we deafen? mustn't you deafen? mustn't they deafen?	mustn't I be deafening? mustn't you be deafening? mustn't she be deafening? mustn't we be deafening? mustn't you be deafening? mustn't they be deafening?
Perfect	V-ing perfect
mustn't I have deafened? mustn't you have deafened? mustn't she have deafened? mustn't we have deafened? mustn't you have deafened? mustn't they have deafened?	mustn't I have been deafening? mustn't you have been deafening? mustn't she have been deafening? mustn't we have been deafening? mustn't you have been deafening? mustn't they have been deafening?