English verb conjugation COULD BULL

Regular verb: bull - bulled - bulled


Affirmation

Simple form

I could bull
you could bull
he could bull
we could bull
you could bull
they could bull

V-ing form

I could be bulling
you could be bulling
he could be bulling
we could be bulling
you could be bulling
they could be bulling

Perfect

I could have bulled
you could have bulled
he could have bulled
we could have bulled
you could have bulled
they could have bulled

V-ing perfect

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

Negation

Simple form

I could not bull
you could not bull
he could not bull
we could not bull
you could not bull
they could not bull

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I bull?
could you bull?
could he bull?
could we bull?
could you bull?
could they bull?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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