should cheat
Regular verb: cheat - cheated- cheated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd cheat
you'd cheat
he'd cheat
we'd cheat
you'd cheat
they'd cheat 	I'd be cheating
you'd be cheating
he'd be cheating
we'd be cheating
you'd be cheating
they'd be cheating	I should've cheated
you should've cheated
he should've cheated
we should've cheated
you should've cheated
they should've cheated	I should've been cheating
you should've been cheating
he should've been cheating
we should've been cheating
you should've been cheating
they should've been cheating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't cheat
you shouldn't cheat
he shouldn't cheat
we shouldn't cheat
you shouldn't cheat
they shouldn't cheat 	I shouldn't be cheating
you shouldn't be cheating
he shouldn't be cheating
we shouldn't be cheating
you shouldn't be cheating
they shouldn't be cheating	I shouldn't have cheated
you shouldn't have cheated
he shouldn't have cheated
we shouldn't have cheated
you shouldn't have cheated
they shouldn't have cheated	I shouldn't have been cheating
you shouldn't have been cheating
he shouldn't have been cheating
we shouldn't have been cheating
you shouldn't have been cheating
they shouldn't have been cheating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I cheat?
should you cheat?
should he cheat?
should we cheat?
should you cheat?
should they cheat? 	should I be cheating?
should you be cheating?
should he be cheating?
should we be cheating?
should you be cheating?
should they be cheating? 	should I have cheated?
should you have cheated?
should he have cheated?
should we have cheated?
should you have cheated?
should they have cheated? 	should I have been cheating?
should you have been cheating?
should he have been cheating?
should we have been cheating?
should you have been cheating?
should they have been cheating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I cheat?
shouldn't you cheat?
shouldn't he cheat?
shouldn't we cheat?
shouldn't you cheat?
shouldn't they cheat? 	shouldn't I be cheating?
shouldn't you be cheating?
shouldn't he be cheating?
shouldn't we be cheating?
shouldn't you be cheating?
shouldn't they be cheating? 	shouldn't I have cheated?
shouldn't you have cheated?
shouldn't he have cheated?
shouldn't we have cheated?
shouldn't you have cheated?
shouldn't they have cheated? 	shouldn't I have been cheating?
shouldn't you have been cheating?
shouldn't he have been cheating?
shouldn't we have been cheating?
shouldn't you have been cheating?
shouldn't they have been cheating?