English verb conjugation COULD BUM

Regular verb: bum - bummed - bummed

Affirmation

Simple form

I could bum
you could bum
he could bum
we could bum
you could bum
they could bum

V-ing form

I could be bumming
you could be bumming
he could be bumming
we could be bumming
you could be bumming
they could be bumming

Perfect

I could have bummed
you could have bummed
he could have bummed
we could have bummed
you could have bummed
they could have bummed

V-ing perfect

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

Negation

Simple form

I could not bum
you could not bum
he could not bum
we could not bum
you could not bum
they could not bum

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I bum?
could you bum?
could he bum?
could we bum?
could you bum?
could they bum?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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