English verb conjugation CAN UPGRADE

Regular verb: upgrade - upgraded - upgraded

Affirmation

Simple form

I can upgrade
you can upgrade
he can upgrade
we can upgrade
you can upgrade
they can upgrade

V-ing form

I can be upgrading
you can be upgrading
he can be upgrading
we can be upgrading
you can be upgrading
they can be upgrading

Perfect

I can have upgraded
you can have upgraded
he can have upgraded
we can have upgraded
you can have upgraded
they can have upgraded

V-ing perfect

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

Negation

Simple form

I cannot upgrade
you cannot upgrade
he cannot upgrade
we cannot upgrade
you cannot upgrade
they cannot upgrade

V-ing form

I cannot be upgrading
you cannot be upgrading
he cannot be upgrading
we cannot be upgrading
you cannot be upgrading
they cannot be upgrading

Perfect

I cannot have upgraded
you cannot have upgraded
he cannot have upgraded
we cannot have upgraded
you cannot have upgraded
they cannot have upgraded

V-ing perfect

I cannot have been upgrading
you cannot have been upgrading
he cannot have been upgrading
we cannot have been upgrading
you cannot have been upgrading
they cannot have been upgrading

Interrogative form

Simple form

can I upgrade?
can you upgrade?
can he upgrade?
can we upgrade?
can you upgrade?
can they upgrade?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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