must rattle
Verbo regular: rattle - rattled- rattled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must rattle
you must rattle
she must rattle
we must rattle
you must rattle
they must rattle 	I must be rattling
you must be rattling
she must be rattling
we must be rattling
you must be rattling
they must be rattling	I must have rattled
you must have rattled
she must have rattled
we must have rattled
you must have rattled
they must have rattled	I must have been rattling
you must have been rattling
she must have been rattling
we must have been rattling
you must have been rattling
they must have been rattling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't rattle
you mustn't rattle
she mustn't rattle
we mustn't rattle
you mustn't rattle
they mustn't rattle 	I mustn't be rattling
you mustn't be rattling
she mustn't be rattling
we mustn't be rattling
you mustn't be rattling
they mustn't be rattling	I mustn't have rattled
you mustn't have rattled
she mustn't have rattled
we mustn't have rattled
you mustn't have rattled
they mustn't have rattled	I mustn't have been rattling
you mustn't have been rattling
she mustn't have been rattling
we mustn't have been rattling
you mustn't have been rattling
they mustn't have been rattling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I rattle?
must you rattle?
must she rattle?
must we rattle?
must you rattle?
must they rattle? 	must I be rattling?
must you be rattling?
must she be rattling?
must we be rattling?
must you be rattling?
must they be rattling? 	must I have rattled?
must you have rattled?
must she have rattled?
must we have rattled?
must you have rattled?
must they have rattled? 	must I have been rattling?
must you have been rattling?
must she have been rattling?
must we have been rattling?
must you have been rattling?
must they have been rattling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I rattle?
mustn't you rattle?
mustn't she rattle?
mustn't we rattle?
mustn't you rattle?
mustn't they rattle? 	mustn't I be rattling?
mustn't you be rattling?
mustn't she be rattling?
mustn't we be rattling?
mustn't you be rattling?
mustn't they be rattling? 	mustn't I have rattled?
mustn't you have rattled?
mustn't she have rattled?
mustn't we have rattled?
mustn't you have rattled?
mustn't they have rattled? 	mustn't I have been rattling?
mustn't you have been rattling?
mustn't she have been rattling?
mustn't we have been rattling?
mustn't you have been rattling?
mustn't they have been rattling?