English verb conjugation COULD DISCOLOR

Regular verb: discolor - discolored - discolored

Affirmation

Simple form

I could discolor
you could discolor
he could discolor
we could discolor
you could discolor
they could discolor

V-ing form

I could be discoloring
you could be discoloring
he could be discoloring
we could be discoloring
you could be discoloring
they could be discoloring

Perfect

I could have discolored
you could have discolored
he could have discolored
we could have discolored
you could have discolored
they could have discolored

V-ing perfect

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

Negation

Simple form

I could not discolor
you could not discolor
he could not discolor
we could not discolor
you could not discolor
they could not discolor

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I discolor?
could you discolor?
could he discolor?
could we discolor?
could you discolor?
could they discolor?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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