English verb conjugation COULD BURBLE

Regular verb: burble - burbled - burbled

Affirmation

Simple form

I could burble
you could burble
he could burble
we could burble
you could burble
they could burble

V-ing form

I could be burbling
you could be burbling
he could be burbling
we could be burbling
you could be burbling
they could be burbling

Perfect

I could have burbled
you could have burbled
he could have burbled
we could have burbled
you could have burbled
they could have burbled

V-ing perfect

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

Negation

Simple form

I couldn't burble
you couldn't burble
he couldn't burble
we couldn't burble
you couldn't burble
they couldn't burble

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I burble?
could you burble?
could he burble?
could we burble?
could you burble?
could they burble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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