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 must not corroborate
you must not corroborate
he must not corroborate
we must not corroborate
you must not corroborate
they must not corroborate

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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