Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I must keen keen you must keen keen he must keen keen we must keen keen you must keen keen they must keen keen
Forme en V-ing
I must be keen keening you must be keen keening he must be keen keening we must be keen keening you must be keen keening they must be keen keening
Perfect
I must have keen keened you must have keen keened he must have keen keened we must have keen keened you must have keen keened they must have keen keened
Perfect en V-ing
I must have been keen keening you must have been keen keening he must have been keen keening we must have been keen keening you must have been keen keening they must have been keen keening
Négation
Forme simple
I must not keen keen you must not keen keen he must not keen keen we must not keen keen you must not keen keen they must not keen keen
Forme en V-ing
I must not be keen keening you must not be keen keening he must not be keen keening we must not be keen keening you must not be keen keening they must not be keen keening
Perfect
I must not have keen keened you must not have keen keened he must not have keen keened we must not have keen keened you must not have keen keened they must not have keen keened
Perfect en V-ing
I must not have been keen keening you must not have been keen keening he must not have been keen keening we must not have been keen keening you must not have been keen keening they must not have been keen keening
Forme interrogative
Forme simple
must I keen keen? must you keen keen? must he keen keen? must we keen keen? must you keen keen? must they keen keen?
Forme en V-ing
must I be keen keening? must you be keen keening? must he be keen keening? must we be keen keening? must you be keen keening? must they be keen keening?
Perfect
must I have keen keened? must you have keen keened? must he have keen keened? must we have keen keened? must you have keen keened? must they have keen keened?
Perfect en V-ing
must I have been keen keening? must you have been keen keening? must he have been keen keening? must we have been keen keening? must you have been keen keening? must they have been keen keening?
Forme interro-négative
Forme simple
must I not keen keen? must you not keen keen? must he not keen keen? must we not keen keen? must you not keen keen? must they not keen keen?
Forme en V-ing
must I not be keen keening? must you not be keen keening? must he not be keen keening? must we not be keen keening? must you not be keen keening? must they not be keen keening?
Perfect
must I not have keen keened? must you not have keen keened? must he not have keen keened? must we not have keen keened? must you not have keen keened? must they not have keen keened?
Perfect en V-ing
must I not have been keen keening? must you not have been keen keening? must he not have been keen keening? must we not have been keen keening? must you not have been keen keening? must they not have been keen keening?