must mangle
Verbo regular: mangle - mangled- mangled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must mangle
you must mangle
he must mangle
we must mangle
you must mangle
they must mangle 	I must be mangling
you must be mangling
he must be mangling
we must be mangling
you must be mangling
they must be mangling	I must have mangled
you must have mangled
he must have mangled
we must have mangled
you must have mangled
they must have mangled	I must have been mangling
you must have been mangling
he must have been mangling
we must have been mangling
you must have been mangling
they must have been mangling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't mangle
you mustn't mangle
he mustn't mangle
we mustn't mangle
you mustn't mangle
they mustn't mangle 	I mustn't be mangling
you mustn't be mangling
he mustn't be mangling
we mustn't be mangling
you mustn't be mangling
they mustn't be mangling	I mustn't have mangled
you mustn't have mangled
he mustn't have mangled
we mustn't have mangled
you mustn't have mangled
they mustn't have mangled	I mustn't have been mangling
you mustn't have been mangling
he mustn't have been mangling
we mustn't have been mangling
you mustn't have been mangling
they mustn't have been mangling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I mangle?
must you mangle?
must he mangle?
must we mangle?
must you mangle?
must they mangle? 	must I be mangling?
must you be mangling?
must he be mangling?
must we be mangling?
must you be mangling?
must they be mangling? 	must I have mangled?
must you have mangled?
must he have mangled?
must we have mangled?
must you have mangled?
must they have mangled? 	must I have been mangling?
must you have been mangling?
must he have been mangling?
must we have been mangling?
must you have been mangling?
must they have been mangling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I mangle?
mustn't you mangle?
mustn't he mangle?
mustn't we mangle?
mustn't you mangle?
mustn't they mangle? 	mustn't I be mangling?
mustn't you be mangling?
mustn't he be mangling?
mustn't we be mangling?
mustn't you be mangling?
mustn't they be mangling? 	mustn't I have mangled?
mustn't you have mangled?
mustn't he have mangled?
mustn't we have mangled?
mustn't you have mangled?
mustn't they have mangled? 	mustn't I have been mangling?
mustn't you have been mangling?
mustn't he have been mangling?
mustn't we have been mangling?
mustn't you have been mangling?
mustn't they have been mangling?