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

ón, este verbo puede no existir, se da como ejemplo la conjugación.

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't perk perk
you couldn't perk perk
he couldn't perk perk
we couldn't perk perk
you couldn't perk perk
they couldn't perk perk 	I couldn't be perk perking
you couldn't be perk perking
he couldn't be perk perking
we couldn't be perk perking
you couldn't be perk perking
they couldn't be perk perking	I couldn't have perk perked
you couldn't have perk perked
he couldn't have perk perked
we couldn't have perk perked
you couldn't have perk perked
they couldn't have perk perked	I couldn't have been perk perking
you couldn't have been perk perking
he couldn't have been perk perking
we couldn't have been perk perking
you couldn't have been perk perking
they couldn't have been perk perking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I perk perk?
couldn't you perk perk?
couldn't he perk perk?
couldn't we perk perk?
couldn't you perk perk?
couldn't they perk perk? 	couldn't I be perk perking?
couldn't you be perk perking?
couldn't he be perk perking?
couldn't we be perk perking?
couldn't you be perk perking?
couldn't they be perk perking? 	couldn't I have perk perked?
couldn't you have perk perked?
couldn't he have perk perked?
couldn't we have perk perked?
couldn't you have perk perked?
couldn't they have perk perked? 	couldn't I have been perk perking?
couldn't you have been perk perking?
couldn't he have been perk perking?
couldn't we have been perk perking?
couldn't you have been perk perking?
couldn't they have been perk perking?