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 must not upgrade
you must not upgrade
he must not upgrade
we must not upgrade
you must not upgrade
they must not upgrade

V-ing form

I must not be upgrading
you must not be upgrading
he must not be upgrading
we must not be upgrading
you must not be upgrading
they must not be upgrading

Perfect

I must not have upgraded
you must not have upgraded
he must not have upgraded
we must not have upgraded
you must not have upgraded
they must not have upgraded

V-ing perfect

I must not have been upgrading
you must not have been upgrading
he must not have been upgrading
we must not have been upgrading
you must not have been upgrading
they must not 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

must I not upgrade?
must you not upgrade?
must he not upgrade?
must we not upgrade?
must you not upgrade?
must they not upgrade?

V-ing form

must I not be upgrading?
must you not be upgrading?
must he not be upgrading?
must we not be upgrading?
must you not be upgrading?
must they not be upgrading?

Perfect

must I not have upgraded?
must you not have upgraded?
must he not have upgraded?
must we not have upgraded?
must you not have upgraded?
must they not have upgraded?

V-ing perfect

must I not have been upgrading?
must you not have been upgrading?
must he not have been upgrading?
must we not have been upgrading?
must you not have been upgrading?
must they not have been upgrading?

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