English verb conjugation COULD DEAFEN

Regular verb: deafen - deafened - deafened

Affirmation

Simple form

I could deafen
you could deafen
she could deafen
we could deafen
you could deafen
they could deafen

V-ing form

I could be deafening
you could be deafening
she could be deafening
we could be deafening
you could be deafening
they could be deafening

Perfect

I could have deafened
you could have deafened
she could have deafened
we could have deafened
you could have deafened
they could have deafened

V-ing perfect

I could have been deafening
you could have been deafening
she could have been deafening
we could have been deafening
you could have been deafening
they could have been deafening

Negation

Simple form

I couldn't deafen
you couldn't deafen
she couldn't deafen
we couldn't deafen
you couldn't deafen
they couldn't deafen

V-ing form

I couldn't be deafening
you couldn't be deafening
she couldn't be deafening
we couldn't be deafening
you couldn't be deafening
they couldn't be deafening

Perfect

I couldn't have deafened
you couldn't have deafened
she couldn't have deafened
we couldn't have deafened
you couldn't have deafened
they couldn't have deafened

V-ing perfect

I couldn't have been deafening
you couldn't have been deafening
she couldn't have been deafening
we couldn't have been deafening
you couldn't have been deafening
they couldn't have been deafening

Interrogative form

Simple form

could I deafen?
could you deafen?
could she deafen?
could we deafen?
could you deafen?
could they deafen?

V-ing form

could I be deafening?
could you be deafening?
could she be deafening?
could we be deafening?
could you be deafening?
could they be deafening?

Perfect

could I have deafened?
could you have deafened?
could she have deafened?
could we have deafened?
could you have deafened?
could they have deafened?

V-ing perfect

could I have been deafening?
could you have been deafening?
could she have been deafening?
could we have been deafening?
could you have been deafening?
could they have been deafening?

Interro-negative form

Simple form

couldn't I deafen?
couldn't you deafen?
couldn't she deafen?
couldn't we deafen?
couldn't you deafen?
couldn't they deafen?

V-ing form

couldn't I be deafening?
couldn't you be deafening?
couldn't she be deafening?
couldn't we be deafening?
couldn't you be deafening?
couldn't they be deafening?

Perfect

couldn't I have deafened?
couldn't you have deafened?
couldn't she have deafened?
couldn't we have deafened?
couldn't you have deafened?
couldn't they have deafened?

V-ing perfect

couldn't I have been deafening?
couldn't you have been deafening?
couldn't she have been deafening?
couldn't we have been deafening?
couldn't you have been deafening?
couldn't they have been deafening?

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