English verb conjugation MUST SUBSTANTIATE

Regular verb: substantiate - substantiated - substantiated

Affirmation

Simple form

I must substantiate
you must substantiate
he must substantiate
we must substantiate
you must substantiate
they must substantiate

V-ing form

I must be substantiating
you must be substantiating
he must be substantiating
we must be substantiating
you must be substantiating
they must be substantiating

Perfect

I must have substantiated
you must have substantiated
he must have substantiated
we must have substantiated
you must have substantiated
they must have substantiated

V-ing perfect

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

Negation

Simple form

I must not substantiate
you must not substantiate
he must not substantiate
we must not substantiate
you must not substantiate
they must not substantiate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I substantiate?
must you substantiate?
must he substantiate?
must we substantiate?
must you substantiate?
must they substantiate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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