must iron
Verbo regular: iron - ironed- ironed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must iron
you must iron
he must iron
we must iron
you must iron
they must iron 	I must be ironing
you must be ironing
he must be ironing
we must be ironing
you must be ironing
they must be ironing	I must have ironed
you must have ironed
he must have ironed
we must have ironed
you must have ironed
they must have ironed	I must have been ironing
you must have been ironing
he must have been ironing
we must have been ironing
you must have been ironing
they must have been ironing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't iron
you mustn't iron
he mustn't iron
we mustn't iron
you mustn't iron
they mustn't iron 	I mustn't be ironing
you mustn't be ironing
he mustn't be ironing
we mustn't be ironing
you mustn't be ironing
they mustn't be ironing	I mustn't have ironed
you mustn't have ironed
he mustn't have ironed
we mustn't have ironed
you mustn't have ironed
they mustn't have ironed	I mustn't have been ironing
you mustn't have been ironing
he mustn't have been ironing
we mustn't have been ironing
you mustn't have been ironing
they mustn't have been ironing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I iron?
must you iron?
must he iron?
must we iron?
must you iron?
must they iron? 	must I be ironing?
must you be ironing?
must he be ironing?
must we be ironing?
must you be ironing?
must they be ironing? 	must I have ironed?
must you have ironed?
must he have ironed?
must we have ironed?
must you have ironed?
must they have ironed? 	must I have been ironing?
must you have been ironing?
must he have been ironing?
must we have been ironing?
must you have been ironing?
must they have been ironing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I iron?
mustn't you iron?
mustn't he iron?
mustn't we iron?
mustn't you iron?
mustn't they iron? 	mustn't I be ironing?
mustn't you be ironing?
mustn't he be ironing?
mustn't we be ironing?
mustn't you be ironing?
mustn't they be ironing? 	mustn't I have ironed?
mustn't you have ironed?
mustn't he have ironed?
mustn't we have ironed?
mustn't you have ironed?
mustn't they have ironed? 	mustn't I have been ironing?
mustn't you have been ironing?
mustn't he have been ironing?
mustn't we have been ironing?
mustn't you have been ironing?
mustn't they have been ironing?