should hijack
Regular verb: hijack - hijacked- hijacked

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not hijack
you should not hijack
he should not hijack
we should not hijack
you should not hijack
they should not hijack 	I should not be hijacking
you should not be hijacking
he should not be hijacking
we should not be hijacking
you should not be hijacking
they should not be hijacking	I should not have hijacked
you should not have hijacked
he should not have hijacked
we should not have hijacked
you should not have hijacked
they should not have hijacked	I should not have been hijacking
you should not have been hijacking
he should not have been hijacking
we should not have been hijacking
you should not have been hijacking
they should not have been hijacking	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not hijack?
should you not hijack?
should he not hijack?
should we not hijack?
should you not hijack?
should they not hijack? 	should I not be hijacking?
should you not be hijacking?
should he not be hijacking?
should we not be hijacking?
should you not be hijacking?
should they not be hijacking? 	should I not have hijacked?
should you not have hijacked?
should he not have hijacked?
should we not have hijacked?
should you not have hijacked?
should they not have hijacked? 	should I not have been hijacking?
should you not have been hijacking?
should he not have been hijacking?
should we not have been hijacking?
should you not have been hijacking?
should they not have been hijacking?