must cheat
Verbo regular: cheat - cheated- cheated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must cheat
you must cheat
he must cheat
we must cheat
you must cheat
they must cheat 	I must be cheating
you must be cheating
he must be cheating
we must be cheating
you must be cheating
they must be cheating	I must have cheated
you must have cheated
he must have cheated
we must have cheated
you must have cheated
they must have cheated	I must have been cheating
you must have been cheating
he must have been cheating
we must have been cheating
you must have been cheating
they must have been cheating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not cheat
you must not cheat
he must not cheat
we must not cheat
you must not cheat
they must not cheat 	I must not be cheating
you must not be cheating
he must not be cheating
we must not be cheating
you must not be cheating
they must not be cheating	I must not have cheated
you must not have cheated
he must not have cheated
we must not have cheated
you must not have cheated
they must not have cheated	I must not have been cheating
you must not have been cheating
he must not have been cheating
we must not have been cheating
you must not have been cheating
they must not have been cheating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I cheat?
must you cheat?
must he cheat?
must we cheat?
must you cheat?
must they cheat? 	must I be cheating?
must you be cheating?
must he be cheating?
must we be cheating?
must you be cheating?
must they be cheating? 	must I have cheated?
must you have cheated?
must he have cheated?
must we have cheated?
must you have cheated?
must they have cheated? 	must I have been cheating?
must you have been cheating?
must he have been cheating?
must we have been cheating?
must you have been cheating?
must they have been cheating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not cheat?
must you not cheat?
must he not cheat?
must we not cheat?
must you not cheat?
must they not cheat? 	must I not be cheating?
must you not be cheating?
must he not be cheating?
must we not be cheating?
must you not be cheating?
must they not be cheating? 	must I not have cheated?
must you not have cheated?
must he not have cheated?
must we not have cheated?
must you not have cheated?
must they not have cheated? 	must I not have been cheating?
must you not have been cheating?
must he not have been cheating?
must we not have been cheating?
must you not have been cheating?
must they not have been cheating?