must skidoo
Regular verb: skidoo - skidooed- skidooed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must skidoo
you must skidoo
he must skidoo
we must skidoo
you must skidoo
they must skidoo 	I must be skidooing
you must be skidooing
he must be skidooing
we must be skidooing
you must be skidooing
they must be skidooing	I must have skidooed
you must have skidooed
he must have skidooed
we must have skidooed
you must have skidooed
they must have skidooed	I must have been skidooing
you must have been skidooing
he must have been skidooing
we must have been skidooing
you must have been skidooing
they must have been skidooing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't skidoo
you mustn't skidoo
he mustn't skidoo
we mustn't skidoo
you mustn't skidoo
they mustn't skidoo 	I mustn't be skidooing
you mustn't be skidooing
he mustn't be skidooing
we mustn't be skidooing
you mustn't be skidooing
they mustn't be skidooing	I mustn't have skidooed
you mustn't have skidooed
he mustn't have skidooed
we mustn't have skidooed
you mustn't have skidooed
they mustn't have skidooed	I mustn't have been skidooing
you mustn't have been skidooing
he mustn't have been skidooing
we mustn't have been skidooing
you mustn't have been skidooing
they mustn't have been skidooing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I skidoo?
must you skidoo?
must he skidoo?
must we skidoo?
must you skidoo?
must they skidoo? 	must I be skidooing?
must you be skidooing?
must he be skidooing?
must we be skidooing?
must you be skidooing?
must they be skidooing? 	must I have skidooed?
must you have skidooed?
must he have skidooed?
must we have skidooed?
must you have skidooed?
must they have skidooed? 	must I have been skidooing?
must you have been skidooing?
must he have been skidooing?
must we have been skidooing?
must you have been skidooing?
must they have been skidooing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I skidoo?
mustn't you skidoo?
mustn't he skidoo?
mustn't we skidoo?
mustn't you skidoo?
mustn't they skidoo? 	mustn't I be skidooing?
mustn't you be skidooing?
mustn't he be skidooing?
mustn't we be skidooing?
mustn't you be skidooing?
mustn't they be skidooing? 	mustn't I have skidooed?
mustn't you have skidooed?
mustn't he have skidooed?
mustn't we have skidooed?
mustn't you have skidooed?
mustn't they have skidooed? 	mustn't I have been skidooing?
mustn't you have been skidooing?
mustn't he have been skidooing?
mustn't we have been skidooing?
mustn't you have been skidooing?
mustn't they have been skidooing?