English verb conjugation COULD DUMBFOUND

Regular verb: dumbfound - dumbfounded - dumbfounded

Affirmation

Simple form

I could dumbfound
you could dumbfound
he could dumbfound
we could dumbfound
you could dumbfound
they could dumbfound

V-ing form

I could be dumbfounding
you could be dumbfounding
he could be dumbfounding
we could be dumbfounding
you could be dumbfounding
they could be dumbfounding

Perfect

I could have dumbfounded
you could have dumbfounded
he could have dumbfounded
we could have dumbfounded
you could have dumbfounded
they could have dumbfounded

V-ing perfect

I could have been dumbfounding
you could have been dumbfounding
he could have been dumbfounding
we could have been dumbfounding
you could have been dumbfounding
they could have been dumbfounding

Negation

Simple form

I could not dumbfound
you could not dumbfound
he could not dumbfound
we could not dumbfound
you could not dumbfound
they could not dumbfound

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I dumbfound?
could you dumbfound?
could he dumbfound?
could we dumbfound?
could you dumbfound?
could they dumbfound?

V-ing form

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

Perfect

could I have dumbfounded?
could you have dumbfounded?
could he have dumbfounded?
could we have dumbfounded?
could you have dumbfounded?
could they have dumbfounded?

V-ing perfect

could I have been dumbfounding?
could you have been dumbfounding?
could he have been dumbfounding?
could we have been dumbfounding?
could you have been dumbfounding?
could they have been dumbfounding?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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