I can bork you can bork she can bork we can bork you can bork they can bork
V-ing form
I can be borking you can be borking she can be borking we can be borking you can be borking they can be borking
Perfect
I can have borked you can have borked she can have borked we can have borked you can have borked they can have borked
V-ing perfect
I can have been borking you can have been borking she can have been borking we can have been borking you can have been borking they can have been borking
Negation
Simple form
I can't bork you can't bork she can't bork we can't bork you can't bork they can't bork
V-ing form
I can't be borking you can't be borking she can't be borking we can't be borking you can't be borking they can't be borking
Perfect
I can't have borked you can't have borked she can't have borked we can't have borked you can't have borked they can't have borked
V-ing perfect
I can't have been borking you can't have been borking she can't have been borking we can't have been borking you can't have been borking they can't have been borking
Interrogative form
Simple form
can I bork? can you bork? can she bork? can we bork? can you bork? can they bork?
V-ing form
can I be borking? can you be borking? can she be borking? can we be borking? can you be borking? can they be borking?
Perfect
can I have borked? can you have borked? can she have borked? can we have borked? can you have borked? can they have borked?
V-ing perfect
can I have been borking? can you have been borking? can she have been borking? can we have been borking? can you have been borking? can they have been borking?
Interro-negative form
Simple form
can't I bork? can't you bork? can't she bork? can't we bork? can't you bork? can't they bork?
V-ing form
can't I be borking? can't you be borking? can't she be borking? can't we be borking? can't you be borking? can't they be borking?
Perfect
can't I have borked? can't you have borked? can't she have borked? can't we have borked? can't you have borked? can't they have borked?
V-ing perfect
can't I have been borking? can't you have been borking? can't she have been borking? can't we have been borking? can't you have been borking? can't they have been borking?