English verb conjugation MUST BURBLE

Regular verb: burble - burbled - burbled

Affirmation

Simple form

I must burble
you must burble
he must burble
we must burble
you must burble
they must burble

V-ing form

I must be burbling
you must be burbling
he must be burbling
we must be burbling
you must be burbling
they must be burbling

Perfect

I must have burbled
you must have burbled
he must have burbled
we must have burbled
you must have burbled
they must have burbled

V-ing perfect

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

Negation

Simple form

I must not burble
you must not burble
he must not burble
we must not burble
you must not burble
they must not burble

V-ing form

I must not be burbling
you must not be burbling
he must not be burbling
we must not be burbling
you must not be burbling
they must not be burbling

Perfect

I must not have burbled
you must not have burbled
he must not have burbled
we must not have burbled
you must not have burbled
they must not have burbled

V-ing perfect

I must not have been burbling
you must not have been burbling
he must not have been burbling
we must not have been burbling
you must not have been burbling
they must not have been burbling

Interrogative form

Simple form

must I burble?
must you burble?
must he burble?
must we burble?
must you burble?
must they burble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not burble?
must you not burble?
must he not burble?
must we not burble?
must you not burble?
must they not burble?

V-ing form

must I not be burbling?
must you not be burbling?
must he not be burbling?
must we not be burbling?
must you not be burbling?
must they not be burbling?

Perfect

must I not have burbled?
must you not have burbled?
must he not have burbled?
must we not have burbled?
must you not have burbled?
must they not have burbled?

V-ing perfect

must I not have been burbling?
must you not have been burbling?
must he not have been burbling?
must we not have been burbling?
must you not have been burbling?
must they not have been burbling?

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