could shock
Verbo regular: shock - shocked- shocked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could shock
you could shock
he could shock
we could shock
you could shock
they could shock 	I could be shocking
you could be shocking
he could be shocking
we could be shocking
you could be shocking
they could be shocking	I could have shocked
you could have shocked
he could have shocked
we could have shocked
you could have shocked
they could have shocked	I could have been shocking
you could have been shocking
he could have been shocking
we could have been shocking
you could have been shocking
they could have been shocking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not shock
you could not shock
he could not shock
we could not shock
you could not shock
they could not shock 	I could not be shocking
you could not be shocking
he could not be shocking
we could not be shocking
you could not be shocking
they could not be shocking	I could not have shocked
you could not have shocked
he could not have shocked
we could not have shocked
you could not have shocked
they could not have shocked	I could not have been shocking
you could not have been shocking
he could not have been shocking
we could not have been shocking
you could not have been shocking
they could not have been shocking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I shock?
could you shock?
could he shock?
could we shock?
could you shock?
could they shock? 	could I be shocking?
could you be shocking?
could he be shocking?
could we be shocking?
could you be shocking?
could they be shocking? 	could I have shocked?
could you have shocked?
could he have shocked?
could we have shocked?
could you have shocked?
could they have shocked? 	could I have been shocking?
could you have been shocking?
could he have been shocking?
could we have been shocking?
could you have been shocking?
could they have been shocking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not shock?
could you not shock?
could he not shock?
could we not shock?
could you not shock?
could they not shock? 	could I not be shocking?
could you not be shocking?
could he not be shocking?
could we not be shocking?
could you not be shocking?
could they not be shocking? 	could I not have shocked?
could you not have shocked?
could he not have shocked?
could we not have shocked?
could you not have shocked?
could they not have shocked? 	could I not have been shocking?
could you not have been shocking?
could he not have been shocking?
could we not have been shocking?
could you not have been shocking?
could they not have been shocking?