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 must not skeletonise
you must not skeletonise
he must not skeletonise
we must not skeletonise
you must not skeletonise
they must not skeletonise 	I must not be skeletonising
you must not be skeletonising
he must not be skeletonising
we must not be skeletonising
you must not be skeletonising
they must not be skeletonising	I must not have skeletonised
you must not have skeletonised
he must not have skeletonised
we must not have skeletonised
you must not have skeletonised
they must not have skeletonised	I must not have been skeletonising
you must not have been skeletonising
he must not have been skeletonising
we must not have been skeletonising
you must not have been skeletonising
they must not 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 	
must I not skeletonise?
must you not skeletonise?
must he not skeletonise?
must we not skeletonise?
must you not skeletonise?
must they not skeletonise? 	must I not be skeletonising?
must you not be skeletonising?
must he not be skeletonising?
must we not be skeletonising?
must you not be skeletonising?
must they not be skeletonising? 	must I not have skeletonised?
must you not have skeletonised?
must he not have skeletonised?
must we not have skeletonised?
must you not have skeletonised?
must they not have skeletonised? 	must I not have been skeletonising?
must you not have been skeletonising?
must he not have been skeletonising?
must we not have been skeletonising?
must you not have been skeletonising?
must they not have been skeletonising?