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 could not deafen
you could not deafen
he could not deafen
we could not deafen
you could not deafen
they could not deafen

V-ing form

I could not be deafening
you could not be deafening
he could not be deafening
we could not be deafening
you could not be deafening
they could not be deafening

Perfect

I could not have deafened
you could not have deafened
he could not have deafened
we could not have deafened
you could not have deafened
they could not have deafened

V-ing perfect

I could not have been deafening
you could not have been deafening
he could not have been deafening
we could not have been deafening
you could not have been deafening
they could not 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

could I not deafen?
could you not deafen?
could he not deafen?
could we not deafen?
could you not deafen?
could they not deafen?

V-ing form

could I not be deafening?
could you not be deafening?
could he not be deafening?
could we not be deafening?
could you not be deafening?
could they not be deafening?

Perfect

could I not have deafened?
could you not have deafened?
could he not have deafened?
could we not have deafened?
could you not have deafened?
could they not have deafened?

V-ing perfect

could I not have been deafening?
could you not have been deafening?
could he not have been deafening?
could we not have been deafening?
could you not have been deafening?
could they not have been deafening?

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