English verb conjugation COULD GRAY

Regular verb: gray - grayed - grayed

Affirmation

Simple form

I could gray
you could gray
she could gray
we could gray
you could gray
they could gray

V-ing form

I could be graying
you could be graying
she could be graying
we could be graying
you could be graying
they could be graying

Perfect

I could have grayed
you could have grayed
she could have grayed
we could have grayed
you could have grayed
they could have grayed

V-ing perfect

I could have been graying
you could have been graying
she could have been graying
we could have been graying
you could have been graying
they could have been graying

Negation

Simple form

I could not gray
you could not gray
she could not gray
we could not gray
you could not gray
they could not gray

V-ing form

I could not be graying
you could not be graying
she could not be graying
we could not be graying
you could not be graying
they could not be graying

Perfect

I could not have grayed
you could not have grayed
she could not have grayed
we could not have grayed
you could not have grayed
they could not have grayed

V-ing perfect

I could not have been graying
you could not have been graying
she could not have been graying
we could not have been graying
you could not have been graying
they could not have been graying

Interrogative form

Simple form

could I gray?
could you gray?
could she gray?
could we gray?
could you gray?
could they gray?

V-ing form

could I be graying?
could you be graying?
could she be graying?
could we be graying?
could you be graying?
could they be graying?

Perfect

could I have grayed?
could you have grayed?
could she have grayed?
could we have grayed?
could you have grayed?
could they have grayed?

V-ing perfect

could I have been graying?
could you have been graying?
could she have been graying?
could we have been graying?
could you have been graying?
could they have been graying?

Interro-negative form

Simple form

could I not gray?
could you not gray?
could she not gray?
could we not gray?
could you not gray?
could they not gray?

V-ing form

could I not be graying?
could you not be graying?
could she not be graying?
could we not be graying?
could you not be graying?
could they not be graying?

Perfect

could I not have grayed?
could you not have grayed?
could she not have grayed?
could we not have grayed?
could you not have grayed?
could they not have grayed?

V-ing perfect

could I not have been graying?
could you not have been graying?
could she not have been graying?
could we not have been graying?
could you not have been graying?
could they not have been graying?

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