must beam
Verbo regular: beam - beamed- beamed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must beam
you must beam
he must beam
we must beam
you must beam
they must beam 	I must be beaming
you must be beaming
he must be beaming
we must be beaming
you must be beaming
they must be beaming	I must have beamed
you must have beamed
he must have beamed
we must have beamed
you must have beamed
they must have beamed	I must have been beaming
you must have been beaming
he must have been beaming
we must have been beaming
you must have been beaming
they must have been beaming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't beam
you mustn't beam
he mustn't beam
we mustn't beam
you mustn't beam
they mustn't beam 	I mustn't be beaming
you mustn't be beaming
he mustn't be beaming
we mustn't be beaming
you mustn't be beaming
they mustn't be beaming	I mustn't have beamed
you mustn't have beamed
he mustn't have beamed
we mustn't have beamed
you mustn't have beamed
they mustn't have beamed	I mustn't have been beaming
you mustn't have been beaming
he mustn't have been beaming
we mustn't have been beaming
you mustn't have been beaming
they mustn't have been beaming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I beam?
must you beam?
must he beam?
must we beam?
must you beam?
must they beam? 	must I be beaming?
must you be beaming?
must he be beaming?
must we be beaming?
must you be beaming?
must they be beaming? 	must I have beamed?
must you have beamed?
must he have beamed?
must we have beamed?
must you have beamed?
must they have beamed? 	must I have been beaming?
must you have been beaming?
must he have been beaming?
must we have been beaming?
must you have been beaming?
must they have been beaming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I beam?
mustn't you beam?
mustn't he beam?
mustn't we beam?
mustn't you beam?
mustn't they beam? 	mustn't I be beaming?
mustn't you be beaming?
mustn't he be beaming?
mustn't we be beaming?
mustn't you be beaming?
mustn't they be beaming? 	mustn't I have beamed?
mustn't you have beamed?
mustn't he have beamed?
mustn't we have beamed?
mustn't you have beamed?
mustn't they have beamed? 	mustn't I have been beaming?
mustn't you have been beaming?
mustn't he have been beaming?
mustn't we have been beaming?
mustn't you have been beaming?
mustn't they have been beaming?