English verb conjugation COULD DECEASE

Regular verb: decease - deceased - deceased

Affirmation

Simple form

I could decease
you could decease
he could decease
we could decease
you could decease
they could decease

V-ing form

I could be deceasing
you could be deceasing
he could be deceasing
we could be deceasing
you could be deceasing
they could be deceasing

Perfect

I could have deceased
you could have deceased
he could have deceased
we could have deceased
you could have deceased
they could have deceased

V-ing perfect

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

Negation

Simple form

I could not decease
you could not decease
he could not decease
we could not decease
you could not decease
they could not decease

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I decease?
could you decease?
could he decease?
could we decease?
could you decease?
could they decease?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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