must twinge
Regular verb: twinge - twinged- twinged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must twinge
you must twinge
she must twinge
we must twinge
you must twinge
they must twinge 	I must be twinging
you must be twinging
she must be twinging
we must be twinging
you must be twinging
they must be twinging	I must have twinged
you must have twinged
she must have twinged
we must have twinged
you must have twinged
they must have twinged	I must have been twinging
you must have been twinging
she must have been twinging
we must have been twinging
you must have been twinging
they must have been twinging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't twinge
you mustn't twinge
she mustn't twinge
we mustn't twinge
you mustn't twinge
they mustn't twinge 	I mustn't be twinging
you mustn't be twinging
she mustn't be twinging
we mustn't be twinging
you mustn't be twinging
they mustn't be twinging	I mustn't have twinged
you mustn't have twinged
she mustn't have twinged
we mustn't have twinged
you mustn't have twinged
they mustn't have twinged	I mustn't have been twinging
you mustn't have been twinging
she mustn't have been twinging
we mustn't have been twinging
you mustn't have been twinging
they mustn't have been twinging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I twinge?
must you twinge?
must she twinge?
must we twinge?
must you twinge?
must they twinge? 	must I be twinging?
must you be twinging?
must she be twinging?
must we be twinging?
must you be twinging?
must they be twinging? 	must I have twinged?
must you have twinged?
must she have twinged?
must we have twinged?
must you have twinged?
must they have twinged? 	must I have been twinging?
must you have been twinging?
must she have been twinging?
must we have been twinging?
must you have been twinging?
must they have been twinging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I twinge?
mustn't you twinge?
mustn't she twinge?
mustn't we twinge?
mustn't you twinge?
mustn't they twinge? 	mustn't I be twinging?
mustn't you be twinging?
mustn't she be twinging?
mustn't we be twinging?
mustn't you be twinging?
mustn't they be twinging? 	mustn't I have twinged?
mustn't you have twinged?
mustn't she have twinged?
mustn't we have twinged?
mustn't you have twinged?
mustn't they have twinged? 	mustn't I have been twinging?
mustn't you have been twinging?
mustn't she have been twinging?
mustn't we have been twinging?
mustn't you have been twinging?
mustn't they have been twinging?