could chock
Verbo regular: chock - chocked- chocked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could chock
you could chock
she could chock
we could chock
you could chock
they could chock 	I could be chocking
you could be chocking
she could be chocking
we could be chocking
you could be chocking
they could be chocking	I could have chocked
you could have chocked
she 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
she could have been chocking
we could have been chocking
you could have been chocking
they could have been chocking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not chock
you could not chock
she could not chock
we could not chock
you could not chock
they could not chock 	I could not be chocking
you could not be chocking
she could not be chocking
we could not be chocking
you could not be chocking
they could not be chocking	I could not have chocked
you could not have chocked
she could not have chocked
we could not have chocked
you could not have chocked
they could not have chocked	I could not have been chocking
you could not have been chocking
she could not have been chocking
we could not have been chocking
you could not have been chocking
they could not have been chocking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I chock?
could you chock?
could she chock?
could we chock?
could you chock?
could they chock? 	could I be chocking?
could you be chocking?
could she be chocking?
could we be chocking?
could you be chocking?
could they be chocking? 	could I have chocked?
could you have chocked?
could she 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 she have been chocking?
could we have been chocking?
could you have been chocking?
could they have been chocking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not chock?
could you not chock?
could she not chock?
could we not chock?
could you not chock?
could they not chock? 	could I not be chocking?
could you not be chocking?
could she not be chocking?
could we not be chocking?
could you not be chocking?
could they not be chocking? 	could I not have chocked?
could you not have chocked?
could she not have chocked?
could we not have chocked?
could you not have chocked?
could they not have chocked? 	could I not have been chocking?
could you not have been chocking?
could she not have been chocking?
could we not have been chocking?
could you not have been chocking?
could they not have been chocking?