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 can't upgrade
you can't upgrade
he can't upgrade
we can't upgrade
you can't upgrade
they can't upgrade

V-ing form

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

Perfect

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

V-ing perfect

I can't have been upgrading
you can't have been upgrading
he can't have been upgrading
we can't have been upgrading
you can't have been upgrading
they can't 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't I upgrade?
can't you upgrade?
can't he upgrade?
can't we upgrade?
can't you upgrade?
can't they upgrade?

V-ing form

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

Perfect

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

V-ing perfect

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

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