English verb conjugation MUST CORROBORATE

Regular verb: corroborate - corroborated - corroborated

Affirmation

Simple form

I must corroborate
you must corroborate
he must corroborate
we must corroborate
you must corroborate
they must corroborate

V-ing form

I must be corroborating
you must be corroborating
he must be corroborating
we must be corroborating
you must be corroborating
they must be corroborating

Perfect

I must have corroborated
you must have corroborated
he must have corroborated
we must have corroborated
you must have corroborated
they must have corroborated

V-ing perfect

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

Negation

Simple form

I mustn't corroborate
you mustn't corroborate
he mustn't corroborate
we mustn't corroborate
you mustn't corroborate
they mustn't corroborate

V-ing form

I mustn't be corroborating
you mustn't be corroborating
he mustn't be corroborating
we mustn't be corroborating
you mustn't be corroborating
they mustn't be corroborating

Perfect

I mustn't have corroborated
you mustn't have corroborated
he mustn't have corroborated
we mustn't have corroborated
you mustn't have corroborated
they mustn't have corroborated

V-ing perfect

I mustn't have been corroborating
you mustn't have been corroborating
he mustn't have been corroborating
we mustn't have been corroborating
you mustn't have been corroborating
they mustn't have been corroborating

Interrogative form

Simple form

must I corroborate?
must you corroborate?
must he corroborate?
must we corroborate?
must you corroborate?
must they corroborate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I corroborate?
mustn't you corroborate?
mustn't he corroborate?
mustn't we corroborate?
mustn't you corroborate?
mustn't they corroborate?

V-ing form

mustn't I be corroborating?
mustn't you be corroborating?
mustn't he be corroborating?
mustn't we be corroborating?
mustn't you be corroborating?
mustn't they be corroborating?

Perfect

mustn't I have corroborated?
mustn't you have corroborated?
mustn't he have corroborated?
mustn't we have corroborated?
mustn't you have corroborated?
mustn't they have corroborated?

V-ing perfect

mustn't I have been corroborating?
mustn't you have been corroborating?
mustn't he have been corroborating?
mustn't we have been corroborating?
mustn't you have been corroborating?
mustn't they have been corroborating?

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