must butt
Verbo regolare: butt - butted- butted

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must butt
you must butt
he must butt
we must butt
you must butt
they must butt 	I must be butting
you must be butting
he must be butting
we must be butting
you must be butting
they must be butting	I must have butted
you must have butted
he must have butted
we must have butted
you must have butted
they must have butted	I must have been butting
you must have been butting
he must have been butting
we must have been butting
you must have been butting
they must have been butting	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't butt
you mustn't butt
he mustn't butt
we mustn't butt
you mustn't butt
they mustn't butt 	I mustn't be butting
you mustn't be butting
he mustn't be butting
we mustn't be butting
you mustn't be butting
they mustn't be butting	I mustn't have butted
you mustn't have butted
he mustn't have butted
we mustn't have butted
you mustn't have butted
they mustn't have butted	I mustn't have been butting
you mustn't have been butting
he mustn't have been butting
we mustn't have been butting
you mustn't have been butting
they mustn't have been butting	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I butt?
must you butt?
must he butt?
must we butt?
must you butt?
must they butt? 	must I be butting?
must you be butting?
must he be butting?
must we be butting?
must you be butting?
must they be butting? 	must I have butted?
must you have butted?
must he have butted?
must we have butted?
must you have butted?
must they have butted? 	must I have been butting?
must you have been butting?
must he have been butting?
must we have been butting?
must you have been butting?
must they have been butting? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I butt?
mustn't you butt?
mustn't he butt?
mustn't we butt?
mustn't you butt?
mustn't they butt? 	mustn't I be butting?
mustn't you be butting?
mustn't he be butting?
mustn't we be butting?
mustn't you be butting?
mustn't they be butting? 	mustn't I have butted?
mustn't you have butted?
mustn't he have butted?
mustn't we have butted?
mustn't you have butted?
mustn't they have butted? 	mustn't I have been butting?
mustn't you have been butting?
mustn't he have been butting?
mustn't we have been butting?
mustn't you have been butting?
mustn't they have been butting?