can muster
Verbo regular: muster - mustered- mustered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can muster
you can muster
he can muster
we can muster
you can muster
they can muster 	I can be mustering
you can be mustering
he can be mustering
we can be mustering
you can be mustering
they can be mustering	I can have mustered
you can have mustered
he can have mustered
we can have mustered
you can have mustered
they can have mustered	I can have been mustering
you can have been mustering
he can have been mustering
we can have been mustering
you can have been mustering
they can have been mustering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't muster
you can't muster
he can't muster
we can't muster
you can't muster
they can't muster 	I can't be mustering
you can't be mustering
he can't be mustering
we can't be mustering
you can't be mustering
they can't be mustering	I can't have mustered
you can't have mustered
he can't have mustered
we can't have mustered
you can't have mustered
they can't have mustered	I can't have been mustering
you can't have been mustering
he can't have been mustering
we can't have been mustering
you can't have been mustering
they can't have been mustering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I muster?
can you muster?
can he muster?
can we muster?
can you muster?
can they muster? 	can I be mustering?
can you be mustering?
can he be mustering?
can we be mustering?
can you be mustering?
can they be mustering? 	can I have mustered?
can you have mustered?
can he have mustered?
can we have mustered?
can you have mustered?
can they have mustered? 	can I have been mustering?
can you have been mustering?
can he have been mustering?
can we have been mustering?
can you have been mustering?
can they have been mustering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I muster?
can't you muster?
can't he muster?
can't we muster?
can't you muster?
can't they muster? 	can't I be mustering?
can't you be mustering?
can't he be mustering?
can't we be mustering?
can't you be mustering?
can't they be mustering? 	can't I have mustered?
can't you have mustered?
can't he have mustered?
can't we have mustered?
can't you have mustered?
can't they have mustered? 	can't I have been mustering?
can't you have been mustering?
can't he have been mustering?
can't we have been mustering?
can't you have been mustering?
can't they have been mustering?