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