English verb conjugation
COULD HIJACK

Regular verb: hijack - hijacked - hijacked

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?