must weigh
Verbo regular: weigh - weighed- weighed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must weigh
you must weigh
he must weigh
we must weigh
you must weigh
they must weigh 	I must be weighing
you must be weighing
he must be weighing
we must be weighing
you must be weighing
they must be weighing	I must have weighed
you must have weighed
he must have weighed
we must have weighed
you must have weighed
they must have weighed	I must have been weighing
you must have been weighing
he must have been weighing
we must have been weighing
you must have been weighing
they must have been weighing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't weigh
you mustn't weigh
he mustn't weigh
we mustn't weigh
you mustn't weigh
they mustn't weigh 	I mustn't be weighing
you mustn't be weighing
he mustn't be weighing
we mustn't be weighing
you mustn't be weighing
they mustn't be weighing	I mustn't have weighed
you mustn't have weighed
he mustn't have weighed
we mustn't have weighed
you mustn't have weighed
they mustn't have weighed	I mustn't have been weighing
you mustn't have been weighing
he mustn't have been weighing
we mustn't have been weighing
you mustn't have been weighing
they mustn't have been weighing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I weigh?
must you weigh?
must he weigh?
must we weigh?
must you weigh?
must they weigh? 	must I be weighing?
must you be weighing?
must he be weighing?
must we be weighing?
must you be weighing?
must they be weighing? 	must I have weighed?
must you have weighed?
must he have weighed?
must we have weighed?
must you have weighed?
must they have weighed? 	must I have been weighing?
must you have been weighing?
must he have been weighing?
must we have been weighing?
must you have been weighing?
must they have been weighing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I weigh?
mustn't you weigh?
mustn't he weigh?
mustn't we weigh?
mustn't you weigh?
mustn't they weigh? 	mustn't I be weighing?
mustn't you be weighing?
mustn't he be weighing?
mustn't we be weighing?
mustn't you be weighing?
mustn't they be weighing? 	mustn't I have weighed?
mustn't you have weighed?
mustn't he have weighed?
mustn't we have weighed?
mustn't you have weighed?
mustn't they have weighed? 	mustn't I have been weighing?
mustn't you have been weighing?
mustn't he have been weighing?
mustn't we have been weighing?
mustn't you have been weighing?
mustn't they have been weighing?