must clatter
Verbo regular: clatter - clattered- clattered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must clatter
you must clatter
he must clatter
we must clatter
you must clatter
they must clatter 	I must be clattering
you must be clattering
he must be clattering
we must be clattering
you must be clattering
they must be clattering	I must have clattered
you must have clattered
he must have clattered
we must have clattered
you must have clattered
they must have clattered	I must have been clattering
you must have been clattering
he must have been clattering
we must have been clattering
you must have been clattering
they must have been clattering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't clatter
you mustn't clatter
he mustn't clatter
we mustn't clatter
you mustn't clatter
they mustn't clatter 	I mustn't be clattering
you mustn't be clattering
he mustn't be clattering
we mustn't be clattering
you mustn't be clattering
they mustn't be clattering	I mustn't have clattered
you mustn't have clattered
he mustn't have clattered
we mustn't have clattered
you mustn't have clattered
they mustn't have clattered	I mustn't have been clattering
you mustn't have been clattering
he mustn't have been clattering
we mustn't have been clattering
you mustn't have been clattering
they mustn't have been clattering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I clatter?
must you clatter?
must he clatter?
must we clatter?
must you clatter?
must they clatter? 	must I be clattering?
must you be clattering?
must he be clattering?
must we be clattering?
must you be clattering?
must they be clattering? 	must I have clattered?
must you have clattered?
must he have clattered?
must we have clattered?
must you have clattered?
must they have clattered? 	must I have been clattering?
must you have been clattering?
must he have been clattering?
must we have been clattering?
must you have been clattering?
must they have been clattering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I clatter?
mustn't you clatter?
mustn't he clatter?
mustn't we clatter?
mustn't you clatter?
mustn't they clatter? 	mustn't I be clattering?
mustn't you be clattering?
mustn't he be clattering?
mustn't we be clattering?
mustn't you be clattering?
mustn't they be clattering? 	mustn't I have clattered?
mustn't you have clattered?
mustn't he have clattered?
mustn't we have clattered?
mustn't you have clattered?
mustn't they have clattered? 	mustn't I have been clattering?
mustn't you have been clattering?
mustn't he have been clattering?
mustn't we have been clattering?
mustn't you have been clattering?
mustn't they have been clattering?