I can hijack you can hijack he can hijack we can hijack you can hijack they can hijack
V-ing form
I can be hijacking you can be hijacking he can be hijacking we can be hijacking you can be hijacking they can be hijacking
Perfect
I can have hijacked you can have hijacked he can have hijacked we can have hijacked you can have hijacked they can have hijacked
V-ing perfect
I can have been hijacking you can have been hijacking he can have been hijacking we can have been hijacking you can have been hijacking they can have been hijacking
Negation
Simple form
I can't hijack you can't hijack he can't hijack we can't hijack you can't hijack they can't hijack
V-ing form
I can't be hijacking you can't be hijacking he can't be hijacking we can't be hijacking you can't be hijacking they can't be hijacking
Perfect
I can't have hijacked you can't have hijacked he can't have hijacked we can't have hijacked you can't have hijacked they can't have hijacked
V-ing perfect
I can't have been hijacking you can't have been hijacking he can't have been hijacking we can't have been hijacking you can't have been hijacking they can't have been hijacking
Interrogative form
Simple form
can I hijack? can you hijack? can he hijack? can we hijack? can you hijack? can they hijack?
V-ing form
can I be hijacking? can you be hijacking? can he be hijacking? can we be hijacking? can you be hijacking? can they be hijacking?
Perfect
can I have hijacked? can you have hijacked? can he have hijacked? can we have hijacked? can you have hijacked? can they have hijacked?
V-ing perfect
can I have been hijacking? can you have been hijacking? can he have been hijacking? can we have been hijacking? can you have been hijacking? can they have been hijacking?
Interro-negative form
Simple form
can't I hijack? can't you hijack? can't he hijack? can't we hijack? can't you hijack? can't they hijack?
V-ing form
can't I be hijacking? can't you be hijacking? can't he be hijacking? can't we be hijacking? can't you be hijacking? can't they be hijacking?
Perfect
can't I have hijacked? can't you have hijacked? can't he have hijacked? can't we have hijacked? can't you have hijacked? can't they have hijacked?
V-ing perfect
can't I have been hijacking? can't you have been hijacking? can't he have been hijacking? can't we have been hijacking? can't you have been hijacking? can't they have been hijacking?