could chock
Verbo regular: chock - chocked- chocked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could chock
you could chock
he could chock
we could chock
you could chock
they could chock 	I could be chocking
you could be chocking
he could be chocking
we could be chocking
you could be chocking
they could be chocking	I could have chocked
you could have chocked
he could have chocked
we could have chocked
you could have chocked
they could have chocked	I could have been chocking
you could have been chocking
he could have been chocking
we could have been chocking
you could have been chocking
they could have been chocking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't chock
you couldn't chock
he couldn't chock
we couldn't chock
you couldn't chock
they couldn't chock 	I couldn't be chocking
you couldn't be chocking
he couldn't be chocking
we couldn't be chocking
you couldn't be chocking
they couldn't be chocking	I couldn't have chocked
you couldn't have chocked
he couldn't have chocked
we couldn't have chocked
you couldn't have chocked
they couldn't have chocked	I couldn't have been chocking
you couldn't have been chocking
he couldn't have been chocking
we couldn't have been chocking
you couldn't have been chocking
they couldn't have been chocking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I chock?
could you chock?
could he chock?
could we chock?
could you chock?
could they chock? 	could I be chocking?
could you be chocking?
could he be chocking?
could we be chocking?
could you be chocking?
could they be chocking? 	could I have chocked?
could you have chocked?
could he have chocked?
could we have chocked?
could you have chocked?
could they have chocked? 	could I have been chocking?
could you have been chocking?
could he have been chocking?
could we have been chocking?
could you have been chocking?
could they have been chocking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I chock?
couldn't you chock?
couldn't he chock?
couldn't we chock?
couldn't you chock?
couldn't they chock? 	couldn't I be chocking?
couldn't you be chocking?
couldn't he be chocking?
couldn't we be chocking?
couldn't you be chocking?
couldn't they be chocking? 	couldn't I have chocked?
couldn't you have chocked?
couldn't he have chocked?
couldn't we have chocked?
couldn't you have chocked?
couldn't they have chocked? 	couldn't I have been chocking?
couldn't you have been chocking?
couldn't he have been chocking?
couldn't we have been chocking?
couldn't you have been chocking?
couldn't they have been chocking?