must sailplane
Verbe régulier : sailplane - sailplaned- sailplaned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sailplane
you must sailplane
he must sailplane
we must sailplane
you must sailplane
they must sailplane 	I must be sailplaning
you must be sailplaning
he must be sailplaning
we must be sailplaning
you must be sailplaning
they must be sailplaning	I must have sailplaned
you must have sailplaned
he must have sailplaned
we must have sailplaned
you must have sailplaned
they must have sailplaned	I must have been sailplaning
you must have been sailplaning
he must have been sailplaning
we must have been sailplaning
you must have been sailplaning
they must have been sailplaning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't sailplane
you mustn't sailplane
he mustn't sailplane
we mustn't sailplane
you mustn't sailplane
they mustn't sailplane 	I mustn't be sailplaning
you mustn't be sailplaning
he mustn't be sailplaning
we mustn't be sailplaning
you mustn't be sailplaning
they mustn't be sailplaning	I mustn't have sailplaned
you mustn't have sailplaned
he mustn't have sailplaned
we mustn't have sailplaned
you mustn't have sailplaned
they mustn't have sailplaned	I mustn't have been sailplaning
you mustn't have been sailplaning
he mustn't have been sailplaning
we mustn't have been sailplaning
you mustn't have been sailplaning
they mustn't have been sailplaning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sailplane?
must you sailplane?
must he sailplane?
must we sailplane?
must you sailplane?
must they sailplane? 	must I be sailplaning?
must you be sailplaning?
must he be sailplaning?
must we be sailplaning?
must you be sailplaning?
must they be sailplaning? 	must I have sailplaned?
must you have sailplaned?
must he have sailplaned?
must we have sailplaned?
must you have sailplaned?
must they have sailplaned? 	must I have been sailplaning?
must you have been sailplaning?
must he have been sailplaning?
must we have been sailplaning?
must you have been sailplaning?
must they have been sailplaning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I sailplane?
mustn't you sailplane?
mustn't he sailplane?
mustn't we sailplane?
mustn't you sailplane?
mustn't they sailplane? 	mustn't I be sailplaning?
mustn't you be sailplaning?
mustn't he be sailplaning?
mustn't we be sailplaning?
mustn't you be sailplaning?
mustn't they be sailplaning? 	mustn't I have sailplaned?
mustn't you have sailplaned?
mustn't he have sailplaned?
mustn't we have sailplaned?
mustn't you have sailplaned?
mustn't they have sailplaned? 	mustn't I have been sailplaning?
mustn't you have been sailplaning?
mustn't he have been sailplaning?
mustn't we have been sailplaning?
mustn't you have been sailplaning?
mustn't they have been sailplaning?