English verb conjugation MUST VEIN

Regular verb: vein - veined - veined

Affirmation

Simple form

I must vein
you must vein
she must vein
we must vein
you must vein
they must vein

V-ing form

I must be veining
you must be veining
she must be veining
we must be veining
you must be veining
they must be veining

Perfect

I must have veined
you must have veined
she must have veined
we must have veined
you must have veined
they must have veined

V-ing perfect

I must have been veining
you must have been veining
she must have been veining
we must have been veining
you must have been veining
they must have been veining

Negation

Simple form

I mustn't vein
you mustn't vein
she mustn't vein
we mustn't vein
you mustn't vein
they mustn't vein

V-ing form

I mustn't be veining
you mustn't be veining
she mustn't be veining
we mustn't be veining
you mustn't be veining
they mustn't be veining

Perfect

I mustn't have veined
you mustn't have veined
she mustn't have veined
we mustn't have veined
you mustn't have veined
they mustn't have veined

V-ing perfect

I mustn't have been veining
you mustn't have been veining
she mustn't have been veining
we mustn't have been veining
you mustn't have been veining
they mustn't have been veining

Interrogative form

Simple form

must I vein?
must you vein?
must she vein?
must we vein?
must you vein?
must they vein?

V-ing form

must I be veining?
must you be veining?
must she be veining?
must we be veining?
must you be veining?
must they be veining?

Perfect

must I have veined?
must you have veined?
must she have veined?
must we have veined?
must you have veined?
must they have veined?

V-ing perfect

must I have been veining?
must you have been veining?
must she have been veining?
must we have been veining?
must you have been veining?
must they have been veining?

Interro-negative form

Simple form

mustn't I vein?
mustn't you vein?
mustn't she vein?
mustn't we vein?
mustn't you vein?
mustn't they vein?

V-ing form

mustn't I be veining?
mustn't you be veining?
mustn't she be veining?
mustn't we be veining?
mustn't you be veining?
mustn't they be veining?

Perfect

mustn't I have veined?
mustn't you have veined?
mustn't she have veined?
mustn't we have veined?
mustn't you have veined?
mustn't they have veined?

V-ing perfect

mustn't I have been veining?
mustn't you have been veining?
mustn't she have been veining?
mustn't we have been veining?
mustn't you have been veining?
mustn't they have been veining?

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