must wigwag
Regular verb: wigwag - wigwaged- wigwaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must wigwag
you must wigwag
he must wigwag
we must wigwag
you must wigwag
they must wigwag 	I must be wigwaging
you must be wigwaging
he must be wigwaging
we must be wigwaging
you must be wigwaging
they must be wigwaging	I must have wigwaged
you must have wigwaged
he must have wigwaged
we must have wigwaged
you must have wigwaged
they must have wigwaged	I must have been wigwaging
you must have been wigwaging
he must have been wigwaging
we must have been wigwaging
you must have been wigwaging
they must have been wigwaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't wigwag
you mustn't wigwag
he mustn't wigwag
we mustn't wigwag
you mustn't wigwag
they mustn't wigwag 	I mustn't be wigwaging
you mustn't be wigwaging
he mustn't be wigwaging
we mustn't be wigwaging
you mustn't be wigwaging
they mustn't be wigwaging	I mustn't have wigwaged
you mustn't have wigwaged
he mustn't have wigwaged
we mustn't have wigwaged
you mustn't have wigwaged
they mustn't have wigwaged	I mustn't have been wigwaging
you mustn't have been wigwaging
he mustn't have been wigwaging
we mustn't have been wigwaging
you mustn't have been wigwaging
they mustn't have been wigwaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I wigwag?
must you wigwag?
must he wigwag?
must we wigwag?
must you wigwag?
must they wigwag? 	must I be wigwaging?
must you be wigwaging?
must he be wigwaging?
must we be wigwaging?
must you be wigwaging?
must they be wigwaging? 	must I have wigwaged?
must you have wigwaged?
must he have wigwaged?
must we have wigwaged?
must you have wigwaged?
must they have wigwaged? 	must I have been wigwaging?
must you have been wigwaging?
must he have been wigwaging?
must we have been wigwaging?
must you have been wigwaging?
must they have been wigwaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I wigwag?
mustn't you wigwag?
mustn't he wigwag?
mustn't we wigwag?
mustn't you wigwag?
mustn't they wigwag? 	mustn't I be wigwaging?
mustn't you be wigwaging?
mustn't he be wigwaging?
mustn't we be wigwaging?
mustn't you be wigwaging?
mustn't they be wigwaging? 	mustn't I have wigwaged?
mustn't you have wigwaged?
mustn't he have wigwaged?
mustn't we have wigwaged?
mustn't you have wigwaged?
mustn't they have wigwaged? 	mustn't I have been wigwaging?
mustn't you have been wigwaging?
mustn't he have been wigwaging?
mustn't we have been wigwaging?
mustn't you have been wigwaging?
mustn't they have been wigwaging?