must wince
Regular verb: wince - winced- winced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must wince
you must wince
he must wince
we must wince
you must wince
they must wince 	I must be wincing
you must be wincing
he must be wincing
we must be wincing
you must be wincing
they must be wincing	I must have winced
you must have winced
he must have winced
we must have winced
you must have winced
they must have winced	I must have been wincing
you must have been wincing
he must have been wincing
we must have been wincing
you must have been wincing
they must have been wincing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't wince
you mustn't wince
he mustn't wince
we mustn't wince
you mustn't wince
they mustn't wince 	I mustn't be wincing
you mustn't be wincing
he mustn't be wincing
we mustn't be wincing
you mustn't be wincing
they mustn't be wincing	I mustn't have winced
you mustn't have winced
he mustn't have winced
we mustn't have winced
you mustn't have winced
they mustn't have winced	I mustn't have been wincing
you mustn't have been wincing
he mustn't have been wincing
we mustn't have been wincing
you mustn't have been wincing
they mustn't have been wincing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I wince?
must you wince?
must he wince?
must we wince?
must you wince?
must they wince? 	must I be wincing?
must you be wincing?
must he be wincing?
must we be wincing?
must you be wincing?
must they be wincing? 	must I have winced?
must you have winced?
must he have winced?
must we have winced?
must you have winced?
must they have winced? 	must I have been wincing?
must you have been wincing?
must he have been wincing?
must we have been wincing?
must you have been wincing?
must they have been wincing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I wince?
mustn't you wince?
mustn't he wince?
mustn't we wince?
mustn't you wince?
mustn't they wince? 	mustn't I be wincing?
mustn't you be wincing?
mustn't he be wincing?
mustn't we be wincing?
mustn't you be wincing?
mustn't they be wincing? 	mustn't I have winced?
mustn't you have winced?
mustn't he have winced?
mustn't we have winced?
mustn't you have winced?
mustn't they have winced? 	mustn't I have been wincing?
mustn't you have been wincing?
mustn't he have been wincing?
mustn't we have been wincing?
mustn't you have been wincing?
mustn't they have been wincing?