must bristle
Verbo regular: bristle - bristled- bristled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must bristle
you must bristle
he must bristle
we must bristle
you must bristle
they must bristle 	I must be bristling
you must be bristling
he must be bristling
we must be bristling
you must be bristling
they must be bristling	I must have bristled
you must have bristled
he must have bristled
we must have bristled
you must have bristled
they must have bristled	I must have been bristling
you must have been bristling
he must have been bristling
we must have been bristling
you must have been bristling
they must have been bristling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't bristle
you mustn't bristle
he mustn't bristle
we mustn't bristle
you mustn't bristle
they mustn't bristle 	I mustn't be bristling
you mustn't be bristling
he mustn't be bristling
we mustn't be bristling
you mustn't be bristling
they mustn't be bristling	I mustn't have bristled
you mustn't have bristled
he mustn't have bristled
we mustn't have bristled
you mustn't have bristled
they mustn't have bristled	I mustn't have been bristling
you mustn't have been bristling
he mustn't have been bristling
we mustn't have been bristling
you mustn't have been bristling
they mustn't have been bristling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I bristle?
must you bristle?
must he bristle?
must we bristle?
must you bristle?
must they bristle? 	must I be bristling?
must you be bristling?
must he be bristling?
must we be bristling?
must you be bristling?
must they be bristling? 	must I have bristled?
must you have bristled?
must he have bristled?
must we have bristled?
must you have bristled?
must they have bristled? 	must I have been bristling?
must you have been bristling?
must he have been bristling?
must we have been bristling?
must you have been bristling?
must they have been bristling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I bristle?
mustn't you bristle?
mustn't he bristle?
mustn't we bristle?
mustn't you bristle?
mustn't they bristle? 	mustn't I be bristling?
mustn't you be bristling?
mustn't he be bristling?
mustn't we be bristling?
mustn't you be bristling?
mustn't they be bristling? 	mustn't I have bristled?
mustn't you have bristled?
mustn't he have bristled?
mustn't we have bristled?
mustn't you have bristled?
mustn't they have bristled? 	mustn't I have been bristling?
mustn't you have been bristling?
mustn't he have been bristling?
mustn't we have been bristling?
mustn't you have been bristling?
mustn't they have been bristling?