I can cheat you can cheat he can cheat we can cheat you can cheat they can cheat
V-ing form
I can be cheating you can be cheating he can be cheating we can be cheating you can be cheating they can be cheating
Perfect
I can have cheated you can have cheated he 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 he 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 he 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 he 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 he 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 he 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 he cheat? can we cheat? can you cheat? can they cheat?
V-ing form
can I be cheating? can you be cheating? can he be cheating? can we be cheating? can you be cheating? can they be cheating?
Perfect
can I have cheated? can you have cheated? can he 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 he 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 he 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 he 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 he 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 he have been cheating? can't we have been cheating? can't you have been cheating? can't they have been cheating?