English verb conjugation COULD SLUMBER

Regular verb: slumber - slumbered - slumbered

Affirmation

Simple form

I could slumber
you could slumber
he could slumber
we could slumber
you could slumber
they could slumber

V-ing form

I could be slumbering
you could be slumbering
he could be slumbering
we could be slumbering
you could be slumbering
they could be slumbering

Perfect

I could have slumbered
you could have slumbered
he could have slumbered
we could have slumbered
you could have slumbered
they could have slumbered

V-ing perfect

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

Negation

Simple form

I could not slumber
you could not slumber
he could not slumber
we could not slumber
you could not slumber
they could not slumber

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I slumber?
could you slumber?
could he slumber?
could we slumber?
could you slumber?
could they slumber?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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