could cheat
Regular verb: cheat - cheated- cheated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cheat
you could cheat
she could cheat
we could cheat
you could cheat
they could cheat 	I could be cheating
you could be cheating
she could be cheating
we could be cheating
you could be cheating
they could be cheating	I could have cheated
you could have cheated
she could have cheated
we could have cheated
you could have cheated
they could have cheated	I could have been cheating
you could have been cheating
she could have been cheating
we could have been cheating
you could have been cheating
they could have been cheating	

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

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

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