could hijack
Verbo regular: hijack - hijacked- hijacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could hijack
you could hijack
she could hijack
we could hijack
you could hijack
they could hijack 	I could be hijacking
you could be hijacking
she could be hijacking
we could be hijacking
you could be hijacking
they could be hijacking	I could have hijacked
you could have hijacked
she 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
she could have been hijacking
we could have been hijacking
you could have been hijacking
they could have been hijacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not hijack
you could not hijack
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
could I hijack?
could you hijack?
could she hijack?
could we hijack?
could you hijack?
could they hijack? 	could I be hijacking?
could you be hijacking?
could she be hijacking?
could we be hijacking?
could you be hijacking?
could they be hijacking? 	could I have hijacked?
could you have hijacked?
could she 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 she have been hijacking?
could we have been hijacking?
could you have been hijacking?
could they have been hijacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not hijack?
could you not hijack?
could she 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 she 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 she 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 she not have been hijacking?
could we not have been hijacking?
could you not have been hijacking?
could they not have been hijacking?