English verb conjugation MUST UPGRADE

Regular verb: upgrade - upgraded - upgraded

Affirmation

Simple form

I must upgrade
you must upgrade
he must upgrade
we must upgrade
you must upgrade
they must upgrade

V-ing form

I must be upgrading
you must be upgrading
he must be upgrading
we must be upgrading
you must be upgrading
they must be upgrading

Perfect

I must have upgraded
you must have upgraded
he must have upgraded
we must have upgraded
you must have upgraded
they must have upgraded

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I upgrade?
must you upgrade?
must he upgrade?
must we upgrade?
must you upgrade?
must they upgrade?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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