must precancel
Verbe régulier : precancel - precanceled- precanceled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must precancel
you must precancel
he must precancel
we must precancel
you must precancel
they must precancel 	I must be precanceling
you must be precanceling
he must be precanceling
we must be precanceling
you must be precanceling
they must be precanceling	I must have precanceled
you must have precanceled
he must have precanceled
we must have precanceled
you must have precanceled
they must have precanceled	I must have been precanceling
you must have been precanceling
he must have been precanceling
we must have been precanceling
you must have been precanceling
they must have been precanceling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not precancel
you must not precancel
he must not precancel
we must not precancel
you must not precancel
they must not precancel 	I must not be precanceling
you must not be precanceling
he must not be precanceling
we must not be precanceling
you must not be precanceling
they must not be precanceling	I must not have precanceled
you must not have precanceled
he must not have precanceled
we must not have precanceled
you must not have precanceled
they must not have precanceled	I must not have been precanceling
you must not have been precanceling
he must not have been precanceling
we must not have been precanceling
you must not have been precanceling
they must not have been precanceling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I precancel?
must you precancel?
must he precancel?
must we precancel?
must you precancel?
must they precancel? 	must I be precanceling?
must you be precanceling?
must he be precanceling?
must we be precanceling?
must you be precanceling?
must they be precanceling? 	must I have precanceled?
must you have precanceled?
must he have precanceled?
must we have precanceled?
must you have precanceled?
must they have precanceled? 	must I have been precanceling?
must you have been precanceling?
must he have been precanceling?
must we have been precanceling?
must you have been precanceling?
must they have been precanceling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not precancel?
must you not precancel?
must he not precancel?
must we not precancel?
must you not precancel?
must they not precancel? 	must I not be precanceling?
must you not be precanceling?
must he not be precanceling?
must we not be precanceling?
must you not be precanceling?
must they not be precanceling? 	must I not have precanceled?
must you not have precanceled?
must he not have precanceled?
must we not have precanceled?
must you not have precanceled?
must they not have precanceled? 	must I not have been precanceling?
must you not have been precanceling?
must he not have been precanceling?
must we not have been precanceling?
must you not have been precanceling?
must they not have been precanceling?