I can update you can update he can update we can update you can update they can update
V-ing form
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
I can have updated you can have updated he 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 he can have been updating we can have been updating you can have been updating they can have been updating
Negation
Simple form
I cannot update you cannot update he cannot update we cannot update you cannot update they cannot update
V-ing form
I cannot be updating you cannot be updating he cannot be updating we cannot be updating you cannot be updating they cannot be updating
Perfect
I cannot have updated you cannot have updated he cannot have updated we cannot have updated you cannot have updated they cannot have updated
V-ing perfect
I cannot have been updating you cannot have been updating he cannot have been updating we cannot have been updating you cannot have been updating they cannot have been updating
Interrogative form
Simple form
can I update? can you update? can he update? can we update? can you update? can they update?
V-ing form
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
can I have updated? can you have updated? can he 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 he have been updating? can we have been updating? can you have been updating? can they have been updating?
Interro-negative form
Simple form
can I not update? can you not update? can he not update? can we not update? can you not update? can they not update?
V-ing form
can I not be updating? can you not be updating? can he not be updating? can we not be updating? can you not be updating? can they not be updating?
Perfect
can I not have updated? can you not have updated? can he not have updated? can we not have updated? can you not have updated? can they not have updated?
V-ing perfect
can I not have been updating? can you not have been updating? can he not have been updating? can we not have been updating? can you not have been updating? can they not have been updating?