must flinch
Regular verb: flinch - flinched- flinched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must flinch
you must flinch
he must flinch
we must flinch
you must flinch
they must flinch 	I must be flinching
you must be flinching
he must be flinching
we must be flinching
you must be flinching
they must be flinching	I must have flinched
you must have flinched
he must have flinched
we must have flinched
you must have flinched
they must have flinched	I must have been flinching
you must have been flinching
he must have been flinching
we must have been flinching
you must have been flinching
they must have been flinching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't flinch
you mustn't flinch
he mustn't flinch
we mustn't flinch
you mustn't flinch
they mustn't flinch 	I mustn't be flinching
you mustn't be flinching
he mustn't be flinching
we mustn't be flinching
you mustn't be flinching
they mustn't be flinching	I mustn't have flinched
you mustn't have flinched
he mustn't have flinched
we mustn't have flinched
you mustn't have flinched
they mustn't have flinched	I mustn't have been flinching
you mustn't have been flinching
he mustn't have been flinching
we mustn't have been flinching
you mustn't have been flinching
they mustn't have been flinching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I flinch?
must you flinch?
must he flinch?
must we flinch?
must you flinch?
must they flinch? 	must I be flinching?
must you be flinching?
must he be flinching?
must we be flinching?
must you be flinching?
must they be flinching? 	must I have flinched?
must you have flinched?
must he have flinched?
must we have flinched?
must you have flinched?
must they have flinched? 	must I have been flinching?
must you have been flinching?
must he have been flinching?
must we have been flinching?
must you have been flinching?
must they have been flinching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I flinch?
mustn't you flinch?
mustn't he flinch?
mustn't we flinch?
mustn't you flinch?
mustn't they flinch? 	mustn't I be flinching?
mustn't you be flinching?
mustn't he be flinching?
mustn't we be flinching?
mustn't you be flinching?
mustn't they be flinching? 	mustn't I have flinched?
mustn't you have flinched?
mustn't he have flinched?
mustn't we have flinched?
mustn't you have flinched?
mustn't they have flinched? 	mustn't I have been flinching?
mustn't you have been flinching?
mustn't he have been flinching?
mustn't we have been flinching?
mustn't you have been flinching?
mustn't they have been flinching?