English verb conjugation COULD DEAFEN

Regular verb: deafen - deafened - deafened

Affirmation

Simple form

I could deafen
you could deafen
he could deafen
we could deafen
you could deafen
they could deafen

V-ing form

I could be deafening
you could be deafening
he could be deafening
we could be deafening
you could be deafening
they could be deafening

Perfect

I could have deafened
you could have deafened
he 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
he 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
he 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
he 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
he 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
he 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 he deafen?
could we deafen?
could you deafen?
could they deafen?

V-ing form

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

Perfect

could I have deafened?
could you have deafened?
could he 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 he 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 he 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 he 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 he 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 he 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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