must sunbathe
Verbo regular: sunbathe - sunbathed- sunbathed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must sunbathe
you must sunbathe
she must sunbathe
we must sunbathe
you must sunbathe
they must sunbathe 	I must be sunbathing
you must be sunbathing
she must be sunbathing
we must be sunbathing
you must be sunbathing
they must be sunbathing	I must have sunbathed
you must have sunbathed
she must have sunbathed
we must have sunbathed
you must have sunbathed
they must have sunbathed	I must have been sunbathing
you must have been sunbathing
she must have been sunbathing
we must have been sunbathing
you must have been sunbathing
they must have been sunbathing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not sunbathe
you must not sunbathe
she must not sunbathe
we must not sunbathe
you must not sunbathe
they must not sunbathe 	I must not be sunbathing
you must not be sunbathing
she must not be sunbathing
we must not be sunbathing
you must not be sunbathing
they must not be sunbathing	I must not have sunbathed
you must not have sunbathed
she must not have sunbathed
we must not have sunbathed
you must not have sunbathed
they must not have sunbathed	I must not have been sunbathing
you must not have been sunbathing
she must not have been sunbathing
we must not have been sunbathing
you must not have been sunbathing
they must not have been sunbathing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I sunbathe?
must you sunbathe?
must she sunbathe?
must we sunbathe?
must you sunbathe?
must they sunbathe? 	must I be sunbathing?
must you be sunbathing?
must she be sunbathing?
must we be sunbathing?
must you be sunbathing?
must they be sunbathing? 	must I have sunbathed?
must you have sunbathed?
must she have sunbathed?
must we have sunbathed?
must you have sunbathed?
must they have sunbathed? 	must I have been sunbathing?
must you have been sunbathing?
must she have been sunbathing?
must we have been sunbathing?
must you have been sunbathing?
must they have been sunbathing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not sunbathe?
must you not sunbathe?
must she not sunbathe?
must we not sunbathe?
must you not sunbathe?
must they not sunbathe? 	must I not be sunbathing?
must you not be sunbathing?
must she not be sunbathing?
must we not be sunbathing?
must you not be sunbathing?
must they not be sunbathing? 	must I not have sunbathed?
must you not have sunbathed?
must she not have sunbathed?
must we not have sunbathed?
must you not have sunbathed?
must they not have sunbathed? 	must I not have been sunbathing?
must you not have been sunbathing?
must she not have been sunbathing?
must we not have been sunbathing?
must you not have been sunbathing?
must they not have been sunbathing?