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 couldn't discolor
you couldn't discolor
he couldn't discolor
we couldn't discolor
you couldn't discolor
they couldn't discolor

V-ing form

I couldn't be discoloring
you couldn't be discoloring
he couldn't be discoloring
we couldn't be discoloring
you couldn't be discoloring
they couldn't be discoloring

Perfect

I couldn't have discolored
you couldn't have discolored
he couldn't have discolored
we couldn't have discolored
you couldn't have discolored
they couldn't have discolored

V-ing perfect

I couldn't have been discoloring
you couldn't have been discoloring
he couldn't have been discoloring
we couldn't have been discoloring
you couldn't have been discoloring
they couldn't 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

couldn't I discolor?
couldn't you discolor?
couldn't he discolor?
couldn't we discolor?
couldn't you discolor?
couldn't they discolor?

V-ing form

couldn't I be discoloring?
couldn't you be discoloring?
couldn't he be discoloring?
couldn't we be discoloring?
couldn't you be discoloring?
couldn't they be discoloring?

Perfect

couldn't I have discolored?
couldn't you have discolored?
couldn't he have discolored?
couldn't we have discolored?
couldn't you have discolored?
couldn't they have discolored?

V-ing perfect

couldn't I have been discoloring?
couldn't you have been discoloring?
couldn't he have been discoloring?
couldn't we have been discoloring?
couldn't you have been discoloring?
couldn't they have been discoloring?

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