English verb conjugation COULD BUR

Regular verb: bur - bured - bured

Affirmation

Simple form

I could bur
you could bur
he could bur
we could bur
you could bur
they could bur

V-ing form

I could be buring
you could be buring
he could be buring
we could be buring
you could be buring
they could be buring

Perfect

I could have bured
you could have bured
he could have bured
we could have bured
you could have bured
they could have bured

V-ing perfect

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

Negation

Simple form

I could not bur
you could not bur
he could not bur
we could not bur
you could not bur
they could not bur

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I bur?
could you bur?
could he bur?
could we bur?
could you bur?
could they bur?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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