English verb conjugation
CAN UPDATE

Regular verb: update - updated - updated

Affirmation

Simple form	V-ing form
I can update you can update he can update we can update you can update they can update	I can be updating you can be updating he can be updating we can be updating you can be updating they can be updating
Perfect	V-ing perfect
I can have updated you can have updated he can have updated we can have updated you can have updated they can have updated	I can have been updating you can have been updating he can have been updating we can have been updating you can have been updating they can have been updating

Negation

Simple form	V-ing form
I can't update you can't update he can't update we can't update you can't update they can't update	I can't be updating you can't be updating he can't be updating we can't be updating you can't be updating they can't be updating
Perfect	V-ing perfect
I can't have updated you can't have updated he can't have updated we can't have updated you can't have updated they can't have updated	I can't have been updating you can't have been updating he can't have been updating we can't have been updating you can't have been updating they can't have been updating

Interrogative form

Simple form	V-ing form
can I update? can you update? can he update? can we update? can you update? can they update?	can I be updating? can you be updating? can he be updating? can we be updating? can you be updating? can they be updating?
Perfect	V-ing perfect
can I have updated? can you have updated? can he have updated? can we have updated? can you have updated? can they have updated?	can I have been updating? can you have been updating? can he have been updating? can we have been updating? can you have been updating? can they have been updating?

Interro-negative form

Simple form	V-ing form
can't I update? can't you update? can't he update? can't we update? can't you update? can't they update?	can't I be updating? can't you be updating? can't he be updating? can't we be updating? can't you be updating? can't they be updating?
Perfect	V-ing perfect
can't I have updated? can't you have updated? can't he have updated? can't we have updated? can't you have updated? can't they have updated?	can't I have been updating? can't you have been updating? can't he have been updating? can't we have been updating? can't you have been updating? can't they have been updating?