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 must not sailplane
you must not sailplane
he must not sailplane
we must not sailplane
you must not sailplane
they must not sailplane 	I must not be sailplaning
you must not be sailplaning
he must not be sailplaning
we must not be sailplaning
you must not be sailplaning
they must not be sailplaning	I must not have sailplaned
you must not have sailplaned
he must not have sailplaned
we must not have sailplaned
you must not have sailplaned
they must not have sailplaned	I must not have been sailplaning
you must not have been sailplaning
he must not have been sailplaning
we must not have been sailplaning
you must not have been sailplaning
they must not 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 	
must I not sailplane?
must you not sailplane?
must he not sailplane?
must we not sailplane?
must you not sailplane?
must they not sailplane? 	must I not be sailplaning?
must you not be sailplaning?
must he not be sailplaning?
must we not be sailplaning?
must you not be sailplaning?
must they not be sailplaning? 	must I not have sailplaned?
must you not have sailplaned?
must he not have sailplaned?
must we not have sailplaned?
must you not have sailplaned?
must they not have sailplaned? 	must I not have been sailplaning?
must you not have been sailplaning?
must he not have been sailplaning?
must we not have been sailplaning?
must you not have been sailplaning?
must they not have been sailplaning?