may hijack
Regular verb: hijack - hijacked- hijacked

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

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

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

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