I can cheat you can cheat she can cheat we can cheat you can cheat they can cheat
V-ing form
I can be cheating you can be cheating she can be cheating we can be cheating you can be cheating they can be cheating
Perfect
I can have cheated you can have cheated she can have cheated we can have cheated you can have cheated they can have cheated
V-ing perfect
I can have been cheating you can have been cheating she can have been cheating we can have been cheating you can have been cheating they can have been cheating
Negation
Simple form
I can't cheat you can't cheat she can't cheat we can't cheat you can't cheat they can't cheat
V-ing form
I can't be cheating you can't be cheating she can't be cheating we can't be cheating you can't be cheating they can't be cheating
Perfect
I can't have cheated you can't have cheated she can't have cheated we can't have cheated you can't have cheated they can't have cheated
V-ing perfect
I can't have been cheating you can't have been cheating she can't have been cheating we can't have been cheating you can't have been cheating they can't have been cheating
Interrogative form
Simple form
can I cheat? can you cheat? can she cheat? can we cheat? can you cheat? can they cheat?
V-ing form
can I be cheating? can you be cheating? can she be cheating? can we be cheating? can you be cheating? can they be cheating?
Perfect
can I have cheated? can you have cheated? can she have cheated? can we have cheated? can you have cheated? can they have cheated?
V-ing perfect
can I have been cheating? can you have been cheating? can she have been cheating? can we have been cheating? can you have been cheating? can they have been cheating?
Interro-negative form
Simple form
can't I cheat? can't you cheat? can't she cheat? can't we cheat? can't you cheat? can't they cheat?
V-ing form
can't I be cheating? can't you be cheating? can't she be cheating? can't we be cheating? can't you be cheating? can't they be cheating?
Perfect
can't I have cheated? can't you have cheated? can't she have cheated? can't we have cheated? can't you have cheated? can't they have cheated?
V-ing perfect
can't I have been cheating? can't you have been cheating? can't she have been cheating? can't we have been cheating? can't you have been cheating? can't they have been cheating?