male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD DEADEN
Regular verb: deaden - deadened - deadened
Affirmation
Simple form
I could deadenyou could deaden
she could deaden
we could deaden
you could deaden
they could deaden
V-ing form
I could be deadeningyou could be deadening
she could be deadening
we could be deadening
you could be deadening
they could be deadening
Perfect
I could have deadenedyou could have deadened
she could have deadened
we could have deadened
you could have deadened
they could have deadened
V-ing perfect
I could have been deadeningyou could have been deadening
she could have been deadening
we could have been deadening
you could have been deadening
they could have been deadening
Negation
Simple form
I couldn't deadenyou couldn't deaden
she couldn't deaden
we couldn't deaden
you couldn't deaden
they couldn't deaden
V-ing form
I couldn't be deadeningyou couldn't be deadening
she couldn't be deadening
we couldn't be deadening
you couldn't be deadening
they couldn't be deadening
Perfect
I couldn't have deadenedyou couldn't have deadened
she couldn't have deadened
we couldn't have deadened
you couldn't have deadened
they couldn't have deadened
V-ing perfect
I couldn't have been deadeningyou couldn't have been deadening
she couldn't have been deadening
we couldn't have been deadening
you couldn't have been deadening
they couldn't have been deadening
Interrogative form
Simple form
could I deaden?could you deaden?
could she deaden?
could we deaden?
could you deaden?
could they deaden?
V-ing form
could I be deadening?could you be deadening?
could she be deadening?
could we be deadening?
could you be deadening?
could they be deadening?
Perfect
could I have deadened?could you have deadened?
could she have deadened?
could we have deadened?
could you have deadened?
could they have deadened?
V-ing perfect
could I have been deadening?could you have been deadening?
could she have been deadening?
could we have been deadening?
could you have been deadening?
could they have been deadening?
Interro-negative form
Simple form
couldn't I deaden?couldn't you deaden?
couldn't she deaden?
couldn't we deaden?
couldn't you deaden?
couldn't they deaden?
V-ing form
couldn't I be deadening?couldn't you be deadening?
couldn't she be deadening?
couldn't we be deadening?
couldn't you be deadening?
couldn't they be deadening?
Perfect
couldn't I have deadened?couldn't you have deadened?
couldn't she have deadened?
couldn't we have deadened?
couldn't you have deadened?
couldn't they have deadened?
V-ing perfect
couldn't I have been deadening?couldn't you have been deadening?
couldn't she have been deadening?
couldn't we have been deadening?
couldn't you have been deadening?
couldn't they have been deadening?