must sunbathe
Verbo regular: sunbathe - sunbathed- sunbathed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sunbathe
you must sunbathe
he must sunbathe
we must sunbathe
you must sunbathe
they must sunbathe 	I must be sunbathing
you must be sunbathing
he must be sunbathing
we must be sunbathing
you must be sunbathing
they must be sunbathing	I must have sunbathed
you must have sunbathed
he 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
he must have been sunbathing
we must have been sunbathing
you must have been sunbathing
they must have been sunbathing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't sunbathe
you mustn't sunbathe
he mustn't sunbathe
we mustn't sunbathe
you mustn't sunbathe
they mustn't sunbathe 	I mustn't be sunbathing
you mustn't be sunbathing
he mustn't be sunbathing
we mustn't be sunbathing
you mustn't be sunbathing
they mustn't be sunbathing	I mustn't have sunbathed
you mustn't have sunbathed
he mustn't have sunbathed
we mustn't have sunbathed
you mustn't have sunbathed
they mustn't have sunbathed	I mustn't have been sunbathing
you mustn't have been sunbathing
he mustn't have been sunbathing
we mustn't have been sunbathing
you mustn't have been sunbathing
they mustn't have been sunbathing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sunbathe?
must you sunbathe?
must he sunbathe?
must we sunbathe?
must you sunbathe?
must they sunbathe? 	must I be sunbathing?
must you be sunbathing?
must he be sunbathing?
must we be sunbathing?
must you be sunbathing?
must they be sunbathing? 	must I have sunbathed?
must you have sunbathed?
must he 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 he have been sunbathing?
must we have been sunbathing?
must you have been sunbathing?
must they have been sunbathing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I sunbathe?
mustn't you sunbathe?
mustn't he sunbathe?
mustn't we sunbathe?
mustn't you sunbathe?
mustn't they sunbathe? 	mustn't I be sunbathing?
mustn't you be sunbathing?
mustn't he be sunbathing?
mustn't we be sunbathing?
mustn't you be sunbathing?
mustn't they be sunbathing? 	mustn't I have sunbathed?
mustn't you have sunbathed?
mustn't he have sunbathed?
mustn't we have sunbathed?
mustn't you have sunbathed?
mustn't they have sunbathed? 	mustn't I have been sunbathing?
mustn't you have been sunbathing?
mustn't he have been sunbathing?
mustn't we have been sunbathing?
mustn't you have been sunbathing?
mustn't they have been sunbathing?