English verb conjugation
COULD HIJACK

Regular verb: hijack - hijacked - hijacked

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I couldn't hijack you couldn't hijack he 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 he couldn't be hijacking we couldn't be hijacking you couldn't be hijacking they couldn't be hijacking
Perfect	V-ing perfect
I couldn't have hijacked you couldn't have hijacked he 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 he couldn't have been hijacking we couldn't have been hijacking you couldn't have been hijacking they couldn't have been hijacking

Interrogative form

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

Interro-negative form

Simple form	V-ing form
couldn't I hijack? couldn't you hijack? couldn't he 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 he be hijacking? couldn't we be hijacking? couldn't you be hijacking? couldn't they be hijacking?
Perfect	V-ing perfect
couldn't I have hijacked? couldn't you have hijacked? couldn't he 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 he have been hijacking? couldn't we have been hijacking? couldn't you have been hijacking? couldn't they have been hijacking?