could mud
Verbo regular: mud - mudded- mudded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could mud
you could mud
she could mud
we could mud
you could mud
they could mud 	I could be mudding
you could be mudding
she could be mudding
we could be mudding
you could be mudding
they could be mudding	I could have mudded
you could have mudded
she could have mudded
we could have mudded
you could have mudded
they could have mudded	I could have been mudding
you could have been mudding
she could have been mudding
we could have been mudding
you could have been mudding
they could have been mudding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not mud
you could not mud
she could not mud
we could not mud
you could not mud
they could not mud 	I could not be mudding
you could not be mudding
she could not be mudding
we could not be mudding
you could not be mudding
they could not be mudding	I could not have mudded
you could not have mudded
she could not have mudded
we could not have mudded
you could not have mudded
they could not have mudded	I could not have been mudding
you could not have been mudding
she could not have been mudding
we could not have been mudding
you could not have been mudding
they could not have been mudding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I mud?
could you mud?
could she mud?
could we mud?
could you mud?
could they mud? 	could I be mudding?
could you be mudding?
could she be mudding?
could we be mudding?
could you be mudding?
could they be mudding? 	could I have mudded?
could you have mudded?
could she have mudded?
could we have mudded?
could you have mudded?
could they have mudded? 	could I have been mudding?
could you have been mudding?
could she have been mudding?
could we have been mudding?
could you have been mudding?
could they have been mudding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not mud?
could you not mud?
could she not mud?
could we not mud?
could you not mud?
could they not mud? 	could I not be mudding?
could you not be mudding?
could she not be mudding?
could we not be mudding?
could you not be mudding?
could they not be mudding? 	could I not have mudded?
could you not have mudded?
could she not have mudded?
could we not have mudded?
could you not have mudded?
could they not have mudded? 	could I not have been mudding?
could you not have been mudding?
could she not have been mudding?
could we not have been mudding?
could you not have been mudding?
could they not have been mudding?