could hijack
Verbo regular: hijack - hijacked- hijacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could hijack
you could hijack
he could hijack
we could hijack
you could hijack
they could hijack 	I could be hijacking
you could be hijacking
he could be hijacking
we could be hijacking
you could be hijacking
they could be hijacking	I could have hijacked
you could have hijacked
he could have hijacked
we could have hijacked
you could have hijacked
they could have hijacked	I could have been hijacking
you could have been hijacking
he could have been hijacking
we could have been hijacking
you could have been hijacking
they could have been hijacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not hijack
you could not hijack
he could not hijack
we could not hijack
you could not hijack
they could not hijack 	I could not be hijacking
you could not be hijacking
he could not be hijacking
we could not be hijacking
you could not be hijacking
they could not be hijacking	I could not have hijacked
you could not have hijacked
he could not have hijacked
we could not have hijacked
you could not have hijacked
they could not have hijacked	I could not have been hijacking
you could not have been hijacking
he could not have been hijacking
we could not have been hijacking
you could not have been hijacking
they could not have been hijacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I hijack?
could you hijack?
could he hijack?
could we hijack?
could you hijack?
could they hijack? 	could I be hijacking?
could you be hijacking?
could he be hijacking?
could we be hijacking?
could you be hijacking?
could they be hijacking? 	could I have hijacked?
could you have hijacked?
could he have hijacked?
could we have hijacked?
could you have hijacked?
could they have hijacked? 	could I have been hijacking?
could you have been hijacking?
could he have been hijacking?
could we have been hijacking?
could you have been hijacking?
could they have been hijacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not hijack?
could you not hijack?
could he not hijack?
could we not hijack?
could you not hijack?
could they not hijack? 	could I not be hijacking?
could you not be hijacking?
could he not be hijacking?
could we not be hijacking?
could you not be hijacking?
could they not be hijacking? 	could I not have hijacked?
could you not have hijacked?
could he not have hijacked?
could we not have hijacked?
could you not have hijacked?
could they not have hijacked? 	could I not have been hijacking?
could you not have been hijacking?
could he not have been hijacking?
could we not have been hijacking?
could you not have been hijacking?
could they not have been hijacking?