must libel
Verbo regular: libel - libelled- libelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must libel
you must libel
he must libel
we must libel
you must libel
they must libel 	I must be libelling
you must be libelling
he must be libelling
we must be libelling
you must be libelling
they must be libelling	I must have libelled
you must have libelled
he must have libelled
we must have libelled
you must have libelled
they must have libelled	I must have been libelling
you must have been libelling
he must have been libelling
we must have been libelling
you must have been libelling
they must have been libelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't libel
you mustn't libel
he mustn't libel
we mustn't libel
you mustn't libel
they mustn't libel 	I mustn't be libelling
you mustn't be libelling
he mustn't be libelling
we mustn't be libelling
you mustn't be libelling
they mustn't be libelling	I mustn't have libelled
you mustn't have libelled
he mustn't have libelled
we mustn't have libelled
you mustn't have libelled
they mustn't have libelled	I mustn't have been libelling
you mustn't have been libelling
he mustn't have been libelling
we mustn't have been libelling
you mustn't have been libelling
they mustn't have been libelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I libel?
must you libel?
must he libel?
must we libel?
must you libel?
must they libel? 	must I be libelling?
must you be libelling?
must he be libelling?
must we be libelling?
must you be libelling?
must they be libelling? 	must I have libelled?
must you have libelled?
must he have libelled?
must we have libelled?
must you have libelled?
must they have libelled? 	must I have been libelling?
must you have been libelling?
must he have been libelling?
must we have been libelling?
must you have been libelling?
must they have been libelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I libel?
mustn't you libel?
mustn't he libel?
mustn't we libel?
mustn't you libel?
mustn't they libel? 	mustn't I be libelling?
mustn't you be libelling?
mustn't he be libelling?
mustn't we be libelling?
mustn't you be libelling?
mustn't they be libelling? 	mustn't I have libelled?
mustn't you have libelled?
mustn't he have libelled?
mustn't we have libelled?
mustn't you have libelled?
mustn't they have libelled? 	mustn't I have been libelling?
mustn't you have been libelling?
mustn't he have been libelling?
mustn't we have been libelling?
mustn't you have been libelling?
mustn't they have been libelling?