must subcharter
Regular verb: subcharter - subchartered- subchartered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must subcharter
you must subcharter
she must subcharter
we must subcharter
you must subcharter
they must subcharter 	I must be subchartering
you must be subchartering
she must be subchartering
we must be subchartering
you must be subchartering
they must be subchartering	I must have subchartered
you must have subchartered
she must have subchartered
we must have subchartered
you must have subchartered
they must have subchartered	I must have been subchartering
you must have been subchartering
she must have been subchartering
we must have been subchartering
you must have been subchartering
they must have been subchartering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't subcharter
you mustn't subcharter
she mustn't subcharter
we mustn't subcharter
you mustn't subcharter
they mustn't subcharter 	I mustn't be subchartering
you mustn't be subchartering
she mustn't be subchartering
we mustn't be subchartering
you mustn't be subchartering
they mustn't be subchartering	I mustn't have subchartered
you mustn't have subchartered
she mustn't have subchartered
we mustn't have subchartered
you mustn't have subchartered
they mustn't have subchartered	I mustn't have been subchartering
you mustn't have been subchartering
she mustn't have been subchartering
we mustn't have been subchartering
you mustn't have been subchartering
they mustn't have been subchartering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I subcharter?
must you subcharter?
must she subcharter?
must we subcharter?
must you subcharter?
must they subcharter? 	must I be subchartering?
must you be subchartering?
must she be subchartering?
must we be subchartering?
must you be subchartering?
must they be subchartering? 	must I have subchartered?
must you have subchartered?
must she have subchartered?
must we have subchartered?
must you have subchartered?
must they have subchartered? 	must I have been subchartering?
must you have been subchartering?
must she have been subchartering?
must we have been subchartering?
must you have been subchartering?
must they have been subchartering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I subcharter?
mustn't you subcharter?
mustn't she subcharter?
mustn't we subcharter?
mustn't you subcharter?
mustn't they subcharter? 	mustn't I be subchartering?
mustn't you be subchartering?
mustn't she be subchartering?
mustn't we be subchartering?
mustn't you be subchartering?
mustn't they be subchartering? 	mustn't I have subchartered?
mustn't you have subchartered?
mustn't she have subchartered?
mustn't we have subchartered?
mustn't you have subchartered?
mustn't they have subchartered? 	mustn't I have been subchartering?
mustn't you have been subchartering?
mustn't she have been subchartering?
mustn't we have been subchartering?
mustn't you have been subchartering?
mustn't they have been subchartering?