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 couldn't bull
you couldn't bull
he couldn't bull
we couldn't bull
you couldn't bull
they couldn't bull

V-ing form

I couldn't be bulling
you couldn't be bulling
he couldn't be bulling
we couldn't be bulling
you couldn't be bulling
they couldn't be bulling

Perfect

I couldn't have bulled
you couldn't have bulled
he couldn't have bulled
we couldn't have bulled
you couldn't have bulled
they couldn't have bulled

V-ing perfect

I couldn't have been bulling
you couldn't have been bulling
he couldn't have been bulling
we couldn't have been bulling
you couldn't have been bulling
they couldn't 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

couldn't I bull?
couldn't you bull?
couldn't he bull?
couldn't we bull?
couldn't you bull?
couldn't they bull?

V-ing form

couldn't I be bulling?
couldn't you be bulling?
couldn't he be bulling?
couldn't we be bulling?
couldn't you be bulling?
couldn't they be bulling?

Perfect

couldn't I have bulled?
couldn't you have bulled?
couldn't he have bulled?
couldn't we have bulled?
couldn't you have bulled?
couldn't they have bulled?

V-ing perfect

couldn't I have been bulling?
couldn't you have been bulling?
couldn't he have been bulling?
couldn't we have been bulling?
couldn't you have been bulling?
couldn't they have been bulling?

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