must orphan
Regular verb: orphan - orphaned- orphaned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must orphan
you must orphan
she must orphan
we must orphan
you must orphan
they must orphan 	I must be orphaning
you must be orphaning
she must be orphaning
we must be orphaning
you must be orphaning
they must be orphaning	I must have orphaned
you must have orphaned
she must have orphaned
we must have orphaned
you must have orphaned
they must have orphaned	I must have been orphaning
you must have been orphaning
she must have been orphaning
we must have been orphaning
you must have been orphaning
they must have been orphaning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't orphan
you mustn't orphan
she mustn't orphan
we mustn't orphan
you mustn't orphan
they mustn't orphan 	I mustn't be orphaning
you mustn't be orphaning
she mustn't be orphaning
we mustn't be orphaning
you mustn't be orphaning
they mustn't be orphaning	I mustn't have orphaned
you mustn't have orphaned
she mustn't have orphaned
we mustn't have orphaned
you mustn't have orphaned
they mustn't have orphaned	I mustn't have been orphaning
you mustn't have been orphaning
she mustn't have been orphaning
we mustn't have been orphaning
you mustn't have been orphaning
they mustn't have been orphaning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I orphan?
must you orphan?
must she orphan?
must we orphan?
must you orphan?
must they orphan? 	must I be orphaning?
must you be orphaning?
must she be orphaning?
must we be orphaning?
must you be orphaning?
must they be orphaning? 	must I have orphaned?
must you have orphaned?
must she have orphaned?
must we have orphaned?
must you have orphaned?
must they have orphaned? 	must I have been orphaning?
must you have been orphaning?
must she have been orphaning?
must we have been orphaning?
must you have been orphaning?
must they have been orphaning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I orphan?
mustn't you orphan?
mustn't she orphan?
mustn't we orphan?
mustn't you orphan?
mustn't they orphan? 	mustn't I be orphaning?
mustn't you be orphaning?
mustn't she be orphaning?
mustn't we be orphaning?
mustn't you be orphaning?
mustn't they be orphaning? 	mustn't I have orphaned?
mustn't you have orphaned?
mustn't she have orphaned?
mustn't we have orphaned?
mustn't you have orphaned?
mustn't they have orphaned? 	mustn't I have been orphaning?
mustn't you have been orphaning?
mustn't she have been orphaning?
mustn't we have been orphaning?
mustn't you have been orphaning?
mustn't they have been orphaning?