I can copy you can copy he can copy we can copy you can copy they can copy
V-ing form
I can be copying you can be copying he can be copying we can be copying you can be copying they can be copying
Perfect
I can have copied you can have copied he can have copied we can have copied you can have copied they can have copied
V-ing perfect
I can have been copying you can have been copying he can have been copying we can have been copying you can have been copying they can have been copying
Negation
Simple form
I cannot copy you cannot copy he cannot copy we cannot copy you cannot copy they cannot copy
V-ing form
I cannot be copying you cannot be copying he cannot be copying we cannot be copying you cannot be copying they cannot be copying
Perfect
I cannot have copied you cannot have copied he cannot have copied we cannot have copied you cannot have copied they cannot have copied
V-ing perfect
I cannot have been copying you cannot have been copying he cannot have been copying we cannot have been copying you cannot have been copying they cannot have been copying
Interrogative form
Simple form
can I copy? can you copy? can he copy? can we copy? can you copy? can they copy?
V-ing form
can I be copying? can you be copying? can he be copying? can we be copying? can you be copying? can they be copying?
Perfect
can I have copied? can you have copied? can he have copied? can we have copied? can you have copied? can they have copied?
V-ing perfect
can I have been copying? can you have been copying? can he have been copying? can we have been copying? can you have been copying? can they have been copying?
Interro-negative form
Simple form
can I not copy? can you not copy? can he not copy? can we not copy? can you not copy? can they not copy?
V-ing form
can I not be copying? can you not be copying? can he not be copying? can we not be copying? can you not be copying? can they not be copying?
Perfect
can I not have copied? can you not have copied? can he not have copied? can we not have copied? can you not have copied? can they not have copied?
V-ing perfect
can I not have been copying? can you not have been copying? can he not have been copying? can we not have been copying? can you not have been copying? can they not have been copying?