English verb conjugation MUST BOX

Regular verb: box - boxed - boxed

Affirmation

Simple form

I must box
you must box
he must box
we must box
you must box
they must box

V-ing form

I must be boxing
you must be boxing
he must be boxing
we must be boxing
you must be boxing
they must be boxing

Perfect

I must have boxed
you must have boxed
he must have boxed
we must have boxed
you must have boxed
they must have boxed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I box?
must you box?
must he box?
must we box?
must you box?
must they box?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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