must skeletonise
Verbe régulier : skeletonise - skeletonised- skeletonised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must skeletonise
you must skeletonise
he must skeletonise
we must skeletonise
you must skeletonise
they must skeletonise 	I must be skeletonising
you must be skeletonising
he must be skeletonising
we must be skeletonising
you must be skeletonising
they must be skeletonising	I must have skeletonised
you must have skeletonised
he must have skeletonised
we must have skeletonised
you must have skeletonised
they must have skeletonised	I must have been skeletonising
you must have been skeletonising
he must have been skeletonising
we must have been skeletonising
you must have been skeletonising
they must have been skeletonising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't skeletonise
you mustn't skeletonise
he mustn't skeletonise
we mustn't skeletonise
you mustn't skeletonise
they mustn't skeletonise 	I mustn't be skeletonising
you mustn't be skeletonising
he mustn't be skeletonising
we mustn't be skeletonising
you mustn't be skeletonising
they mustn't be skeletonising	I mustn't have skeletonised
you mustn't have skeletonised
he mustn't have skeletonised
we mustn't have skeletonised
you mustn't have skeletonised
they mustn't have skeletonised	I mustn't have been skeletonising
you mustn't have been skeletonising
he mustn't have been skeletonising
we mustn't have been skeletonising
you mustn't have been skeletonising
they mustn't have been skeletonising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I skeletonise?
must you skeletonise?
must he skeletonise?
must we skeletonise?
must you skeletonise?
must they skeletonise? 	must I be skeletonising?
must you be skeletonising?
must he be skeletonising?
must we be skeletonising?
must you be skeletonising?
must they be skeletonising? 	must I have skeletonised?
must you have skeletonised?
must he have skeletonised?
must we have skeletonised?
must you have skeletonised?
must they have skeletonised? 	must I have been skeletonising?
must you have been skeletonising?
must he have been skeletonising?
must we have been skeletonising?
must you have been skeletonising?
must they have been skeletonising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I skeletonise?
mustn't you skeletonise?
mustn't he skeletonise?
mustn't we skeletonise?
mustn't you skeletonise?
mustn't they skeletonise? 	mustn't I be skeletonising?
mustn't you be skeletonising?
mustn't he be skeletonising?
mustn't we be skeletonising?
mustn't you be skeletonising?
mustn't they be skeletonising? 	mustn't I have skeletonised?
mustn't you have skeletonised?
mustn't he have skeletonised?
mustn't we have skeletonised?
mustn't you have skeletonised?
mustn't they have skeletonised? 	mustn't I have been skeletonising?
mustn't you have been skeletonising?
mustn't he have been skeletonising?
mustn't we have been skeletonising?
mustn't you have been skeletonising?
mustn't they have been skeletonising?