must supinate
Regular verb: supinate - supinated- supinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must supinate
you must supinate
she must supinate
we must supinate
you must supinate
they must supinate 	I must be supinating
you must be supinating
she must be supinating
we must be supinating
you must be supinating
they must be supinating	I must have supinated
you must have supinated
she must have supinated
we must have supinated
you must have supinated
they must have supinated	I must have been supinating
you must have been supinating
she must have been supinating
we must have been supinating
you must have been supinating
they must have been supinating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't supinate
you mustn't supinate
she mustn't supinate
we mustn't supinate
you mustn't supinate
they mustn't supinate 	I mustn't be supinating
you mustn't be supinating
she mustn't be supinating
we mustn't be supinating
you mustn't be supinating
they mustn't be supinating	I mustn't have supinated
you mustn't have supinated
she mustn't have supinated
we mustn't have supinated
you mustn't have supinated
they mustn't have supinated	I mustn't have been supinating
you mustn't have been supinating
she mustn't have been supinating
we mustn't have been supinating
you mustn't have been supinating
they mustn't have been supinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I supinate?
must you supinate?
must she supinate?
must we supinate?
must you supinate?
must they supinate? 	must I be supinating?
must you be supinating?
must she be supinating?
must we be supinating?
must you be supinating?
must they be supinating? 	must I have supinated?
must you have supinated?
must she have supinated?
must we have supinated?
must you have supinated?
must they have supinated? 	must I have been supinating?
must you have been supinating?
must she have been supinating?
must we have been supinating?
must you have been supinating?
must they have been supinating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I supinate?
mustn't you supinate?
mustn't she supinate?
mustn't we supinate?
mustn't you supinate?
mustn't they supinate? 	mustn't I be supinating?
mustn't you be supinating?
mustn't she be supinating?
mustn't we be supinating?
mustn't you be supinating?
mustn't they be supinating? 	mustn't I have supinated?
mustn't you have supinated?
mustn't she have supinated?
mustn't we have supinated?
mustn't you have supinated?
mustn't they have supinated? 	mustn't I have been supinating?
mustn't you have been supinating?
mustn't she have been supinating?
mustn't we have been supinating?
mustn't you have been supinating?
mustn't they have been supinating?