I must leapfrog you must leapfrog he must leapfrog we must leapfrog you must leapfrog they must leapfrog
Forme en V-ing
I must be leapfroging you must be leapfroging he must be leapfroging we must be leapfroging you must be leapfroging they must be leapfroging
Perfect
I must have leapfroged you must have leapfroged he must have leapfroged we must have leapfroged you must have leapfroged they must have leapfroged
Perfect en V-ing
I must have been leapfroging you must have been leapfroging he must have been leapfroging we must have been leapfroging you must have been leapfroging they must have been leapfroging
Négation
Forme simple
I must not leapfrog you must not leapfrog he must not leapfrog we must not leapfrog you must not leapfrog they must not leapfrog
Forme en V-ing
I must not be leapfroging you must not be leapfroging he must not be leapfroging we must not be leapfroging you must not be leapfroging they must not be leapfroging
Perfect
I must not have leapfroged you must not have leapfroged he must not have leapfroged we must not have leapfroged you must not have leapfroged they must not have leapfroged
Perfect en V-ing
I must not have been leapfroging you must not have been leapfroging he must not have been leapfroging we must not have been leapfroging you must not have been leapfroging they must not have been leapfroging
Forme interrogative
Forme simple
must I leapfrog? must you leapfrog? must he leapfrog? must we leapfrog? must you leapfrog? must they leapfrog?
Forme en V-ing
must I be leapfroging? must you be leapfroging? must he be leapfroging? must we be leapfroging? must you be leapfroging? must they be leapfroging?
Perfect
must I have leapfroged? must you have leapfroged? must he have leapfroged? must we have leapfroged? must you have leapfroged? must they have leapfroged?
Perfect en V-ing
must I have been leapfroging? must you have been leapfroging? must he have been leapfroging? must we have been leapfroging? must you have been leapfroging? must they have been leapfroging?
Forme interro-négative
Forme simple
must I not leapfrog? must you not leapfrog? must he not leapfrog? must we not leapfrog? must you not leapfrog? must they not leapfrog?
Forme en V-ing
must I not be leapfroging? must you not be leapfroging? must he not be leapfroging? must we not be leapfroging? must you not be leapfroging? must they not be leapfroging?
Perfect
must I not have leapfroged? must you not have leapfroged? must he not have leapfroged? must we not have leapfroged? must you not have leapfroged? must they not have leapfroged?
Perfect en V-ing
must I not have been leapfroging? must you not have been leapfroging? must he not have been leapfroging? must we not have been leapfroging? must you not have been leapfroging? must they not have been leapfroging?