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 couldn't hijack
you couldn't hijack
she couldn't hijack
we couldn't hijack
you couldn't hijack
they couldn't hijack 	I couldn't be hijacking
you couldn't be hijacking
she couldn't be hijacking
we couldn't be hijacking
you couldn't be hijacking
they couldn't be hijacking	I couldn't have hijacked
you couldn't have hijacked
she couldn't have hijacked
we couldn't have hijacked
you couldn't have hijacked
they couldn't have hijacked	I couldn't have been hijacking
you couldn't have been hijacking
she couldn't have been hijacking
we couldn't have been hijacking
you couldn't have been hijacking
they couldn't 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 	
couldn't I hijack?
couldn't you hijack?
couldn't she hijack?
couldn't we hijack?
couldn't you hijack?
couldn't they hijack? 	couldn't I be hijacking?
couldn't you be hijacking?
couldn't she be hijacking?
couldn't we be hijacking?
couldn't you be hijacking?
couldn't they be hijacking? 	couldn't I have hijacked?
couldn't you have hijacked?
couldn't she have hijacked?
couldn't we have hijacked?
couldn't you have hijacked?
couldn't they have hijacked? 	couldn't I have been hijacking?
couldn't you have been hijacking?
couldn't she have been hijacking?
couldn't we have been hijacking?
couldn't you have been hijacking?
couldn't they have been hijacking?