must hijack
Verbo regular: hijack - hijacked- hijacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must hijack
you must hijack
she must hijack
we must hijack
you must hijack
they must hijack 	I must be hijacking
you must be hijacking
she must be hijacking
we must be hijacking
you must be hijacking
they must be hijacking	I must have hijacked
you must have hijacked
she 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
she must have been hijacking
we must have been hijacking
you must have been hijacking
they must have been hijacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not hijack
you must not hijack
she must not hijack
we must not hijack
you must not hijack
they must not hijack 	I must not be hijacking
you must not be hijacking
she must not be hijacking
we must not be hijacking
you must not be hijacking
they must not be hijacking	I must not have hijacked
you must not have hijacked
she must not have hijacked
we must not have hijacked
you must not have hijacked
they must not have hijacked	I must not have been hijacking
you must not have been hijacking
she must not have been hijacking
we must not have been hijacking
you must not have been hijacking
they must not have been hijacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I hijack?
must you hijack?
must she hijack?
must we hijack?
must you hijack?
must they hijack? 	must I be hijacking?
must you be hijacking?
must she be hijacking?
must we be hijacking?
must you be hijacking?
must they be hijacking? 	must I have hijacked?
must you have hijacked?
must she 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 she have been hijacking?
must we have been hijacking?
must you have been hijacking?
must they have been hijacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not hijack?
must you not hijack?
must she not hijack?
must we not hijack?
must you not hijack?
must they not hijack? 	must I not be hijacking?
must you not be hijacking?
must she not be hijacking?
must we not be hijacking?
must you not be hijacking?
must they not be hijacking? 	must I not have hijacked?
must you not have hijacked?
must she not have hijacked?
must we not have hijacked?
must you not have hijacked?
must they not have hijacked? 	must I not have been hijacking?
must you not have been hijacking?
must she not have been hijacking?
must we not have been hijacking?
must you not have been hijacking?
must they not have been hijacking?