could perk perk
Verbo regular: perk perk - perk perked- perk perked

, este verbo pode não existir, a conjugação é dada como exemplo.

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could perk perk
you could perk perk
he could perk perk
we could perk perk
you could perk perk
they could perk perk 	I could be perk perking
you could be perk perking
he could be perk perking
we could be perk perking
you could be perk perking
they could be perk perking	I could have perk perked
you could have perk perked
he could have perk perked
we could have perk perked
you could have perk perked
they could have perk perked	I could have been perk perking
you could have been perk perking
he could have been perk perking
we could have been perk perking
you could have been perk perking
they could have been perk perking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not perk perk
you could not perk perk
he could not perk perk
we could not perk perk
you could not perk perk
they could not perk perk 	I could not be perk perking
you could not be perk perking
he could not be perk perking
we could not be perk perking
you could not be perk perking
they could not be perk perking	I could not have perk perked
you could not have perk perked
he could not have perk perked
we could not have perk perked
you could not have perk perked
they could not have perk perked	I could not have been perk perking
you could not have been perk perking
he could not have been perk perking
we could not have been perk perking
you could not have been perk perking
they could not have been perk perking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I perk perk?
could you perk perk?
could he perk perk?
could we perk perk?
could you perk perk?
could they perk perk? 	could I be perk perking?
could you be perk perking?
could he be perk perking?
could we be perk perking?
could you be perk perking?
could they be perk perking? 	could I have perk perked?
could you have perk perked?
could he have perk perked?
could we have perk perked?
could you have perk perked?
could they have perk perked? 	could I have been perk perking?
could you have been perk perking?
could he have been perk perking?
could we have been perk perking?
could you have been perk perking?
could they have been perk perking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not perk perk?
could you not perk perk?
could he not perk perk?
could we not perk perk?
could you not perk perk?
could they not perk perk? 	could I not be perk perking?
could you not be perk perking?
could he not be perk perking?
could we not be perk perking?
could you not be perk perking?
could they not be perk perking? 	could I not have perk perked?
could you not have perk perked?
could he not have perk perked?
could we not have perk perked?
could you not have perk perked?
could they not have perk perked? 	could I not have been perk perking?
could you not have been perk perking?
could he not have been perk perking?
could we not have been perk perking?
could you not have been perk perking?
could they not have been perk perking?