English verb conjugation MUST JOINT

Regular verb: joint - jointed - jointed

Affirmation

Simple form

I must joint
you must joint
he must joint
we must joint
you must joint
they must joint

V-ing form

I must be jointing
you must be jointing
he must be jointing
we must be jointing
you must be jointing
they must be jointing

Perfect

I must have jointed
you must have jointed
he must have jointed
we must have jointed
you must have jointed
they must have jointed

V-ing perfect

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

Negation

Simple form

I mustn't joint
you mustn't joint
he mustn't joint
we mustn't joint
you mustn't joint
they mustn't joint

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I joint?
must you joint?
must he joint?
must we joint?
must you joint?
must they joint?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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