English verb conjugation
MUST HIJACK

Regular verb: hijack - hijacked - hijacked

Affirmation

Simple form	V-ing form
I must hijack you must hijack he must hijack we must hijack you must hijack they must hijack	I must be hijacking you must be hijacking he must be hijacking we must be hijacking you must be hijacking they must be hijacking
Perfect	V-ing perfect
I must have hijacked you must have hijacked he must have hijacked we must have hijacked you must have hijacked they must have hijacked	I must have been hijacking you must have been hijacking he must have been hijacking we must have been hijacking you must have been hijacking they must have been hijacking

Negation

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

Interrogative form

Simple form	V-ing form
must I hijack? must you hijack? must he hijack? must we hijack? must you hijack? must they hijack?	must I be hijacking? must you be hijacking? must he be hijacking? must we be hijacking? must you be hijacking? must they be hijacking?
Perfect	V-ing perfect
must I have hijacked? must you have hijacked? must he have hijacked? must we have hijacked? must you have hijacked? must they have hijacked?	must I have been hijacking? must you have been hijacking? must he have been hijacking? must we have been hijacking? must you have been hijacking? must they have been hijacking?

Interro-negative form

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