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 mustn't substantiate
you mustn't substantiate
he mustn't substantiate
we mustn't substantiate
you mustn't substantiate
they mustn't substantiate

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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