English verb conjugation COULD DECAY

Regular verb: decay - decayed - decayed

Affirmation

Simple form

I could decay
you could decay
she could decay
we could decay
you could decay
they could decay

V-ing form

I could be decaying
you could be decaying
she could be decaying
we could be decaying
you could be decaying
they could be decaying

Perfect

I could have decayed
you could have decayed
she could have decayed
we could have decayed
you could have decayed
they could have decayed

V-ing perfect

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

Negation

Simple form

I could not decay
you could not decay
she could not decay
we could not decay
you could not decay
they could not decay

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I decay?
could you decay?
could she decay?
could we decay?
could you decay?
could they decay?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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