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 must not vein
you must not vein
she must not vein
we must not vein
you must not vein
they must not vein

V-ing form

I must not be veining
you must not be veining
she must not be veining
we must not be veining
you must not be veining
they must not be veining

Perfect

I must not have veined
you must not have veined
she must not have veined
we must not have veined
you must not have veined
they must not have veined

V-ing perfect

I must not have been veining
you must not have been veining
she must not have been veining
we must not have been veining
you must not have been veining
they must not 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

must I not vein?
must you not vein?
must she not vein?
must we not vein?
must you not vein?
must they not vein?

V-ing form

must I not be veining?
must you not be veining?
must she not be veining?
must we not be veining?
must you not be veining?
must they not be veining?

Perfect

must I not have veined?
must you not have veined?
must she not have veined?
must we not have veined?
must you not have veined?
must they not have veined?

V-ing perfect

must I not have been veining?
must you not have been veining?
must she not have been veining?
must we not have been veining?
must you not have been veining?
must they not have been veining?

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