can muss
Verbo regular: muss - mussed- mussed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can muss
you can muss
he can muss
we can muss
you can muss
they can muss 	I can be mussing
you can be mussing
he can be mussing
we can be mussing
you can be mussing
they can be mussing	I can have mussed
you can have mussed
he can have mussed
we can have mussed
you can have mussed
they can have mussed	I can have been mussing
you can have been mussing
he can have been mussing
we can have been mussing
you can have been mussing
they can have been mussing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't muss
you can't muss
he can't muss
we can't muss
you can't muss
they can't muss 	I can't be mussing
you can't be mussing
he can't be mussing
we can't be mussing
you can't be mussing
they can't be mussing	I can't have mussed
you can't have mussed
he can't have mussed
we can't have mussed
you can't have mussed
they can't have mussed	I can't have been mussing
you can't have been mussing
he can't have been mussing
we can't have been mussing
you can't have been mussing
they can't have been mussing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I muss?
can you muss?
can he muss?
can we muss?
can you muss?
can they muss? 	can I be mussing?
can you be mussing?
can he be mussing?
can we be mussing?
can you be mussing?
can they be mussing? 	can I have mussed?
can you have mussed?
can he have mussed?
can we have mussed?
can you have mussed?
can they have mussed? 	can I have been mussing?
can you have been mussing?
can he have been mussing?
can we have been mussing?
can you have been mussing?
can they have been mussing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I muss?
can't you muss?
can't he muss?
can't we muss?
can't you muss?
can't they muss? 	can't I be mussing?
can't you be mussing?
can't he be mussing?
can't we be mussing?
can't you be mussing?
can't they be mussing? 	can't I have mussed?
can't you have mussed?
can't he have mussed?
can't we have mussed?
can't you have mussed?
can't they have mussed? 	can't I have been mussing?
can't you have been mussing?
can't he have been mussing?
can't we have been mussing?
can't you have been mussing?
can't they have been mussing?