must tincture
Regular verb: tincture - tinctured- tinctured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must tincture
you must tincture
she must tincture
we must tincture
you must tincture
they must tincture 	I must be tincturing
you must be tincturing
she must be tincturing
we must be tincturing
you must be tincturing
they must be tincturing	I must have tinctured
you must have tinctured
she must have tinctured
we must have tinctured
you must have tinctured
they must have tinctured	I must have been tincturing
you must have been tincturing
she must have been tincturing
we must have been tincturing
you must have been tincturing
they must have been tincturing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't tincture
you mustn't tincture
she mustn't tincture
we mustn't tincture
you mustn't tincture
they mustn't tincture 	I mustn't be tincturing
you mustn't be tincturing
she mustn't be tincturing
we mustn't be tincturing
you mustn't be tincturing
they mustn't be tincturing	I mustn't have tinctured
you mustn't have tinctured
she mustn't have tinctured
we mustn't have tinctured
you mustn't have tinctured
they mustn't have tinctured	I mustn't have been tincturing
you mustn't have been tincturing
she mustn't have been tincturing
we mustn't have been tincturing
you mustn't have been tincturing
they mustn't have been tincturing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I tincture?
must you tincture?
must she tincture?
must we tincture?
must you tincture?
must they tincture? 	must I be tincturing?
must you be tincturing?
must she be tincturing?
must we be tincturing?
must you be tincturing?
must they be tincturing? 	must I have tinctured?
must you have tinctured?
must she have tinctured?
must we have tinctured?
must you have tinctured?
must they have tinctured? 	must I have been tincturing?
must you have been tincturing?
must she have been tincturing?
must we have been tincturing?
must you have been tincturing?
must they have been tincturing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I tincture?
mustn't you tincture?
mustn't she tincture?
mustn't we tincture?
mustn't you tincture?
mustn't they tincture? 	mustn't I be tincturing?
mustn't you be tincturing?
mustn't she be tincturing?
mustn't we be tincturing?
mustn't you be tincturing?
mustn't they be tincturing? 	mustn't I have tinctured?
mustn't you have tinctured?
mustn't she have tinctured?
mustn't we have tinctured?
mustn't you have tinctured?
mustn't they have tinctured? 	mustn't I have been tincturing?
mustn't you have been tincturing?
mustn't she have been tincturing?
mustn't we have been tincturing?
mustn't you have been tincturing?
mustn't they have been tincturing?