I must fitter you must fitter he must fitter we must fitter you must fitter they must fitter
Forme en V-ing
I must be fittering you must be fittering he must be fittering we must be fittering you must be fittering they must be fittering
Perfect
I must have fittered you must have fittered he must have fittered we must have fittered you must have fittered they must have fittered
Perfect en V-ing
I must have been fittering you must have been fittering he must have been fittering we must have been fittering you must have been fittering they must have been fittering
Négation
Forme simple
I must not fitter you must not fitter he must not fitter we must not fitter you must not fitter they must not fitter
Forme en V-ing
I must not be fittering you must not be fittering he must not be fittering we must not be fittering you must not be fittering they must not be fittering
Perfect
I must not have fittered you must not have fittered he must not have fittered we must not have fittered you must not have fittered they must not have fittered
Perfect en V-ing
I must not have been fittering you must not have been fittering he must not have been fittering we must not have been fittering you must not have been fittering they must not have been fittering
Forme interrogative
Forme simple
must I fitter? must you fitter? must he fitter? must we fitter? must you fitter? must they fitter?
Forme en V-ing
must I be fittering? must you be fittering? must he be fittering? must we be fittering? must you be fittering? must they be fittering?
Perfect
must I have fittered? must you have fittered? must he have fittered? must we have fittered? must you have fittered? must they have fittered?
Perfect en V-ing
must I have been fittering? must you have been fittering? must he have been fittering? must we have been fittering? must you have been fittering? must they have been fittering?
Forme interro-négative
Forme simple
must I not fitter? must you not fitter? must he not fitter? must we not fitter? must you not fitter? must they not fitter?
Forme en V-ing
must I not be fittering? must you not be fittering? must he not be fittering? must we not be fittering? must you not be fittering? must they not be fittering?
Perfect
must I not have fittered? must you not have fittered? must he not have fittered? must we not have fittered? must you not have fittered? must they not have fittered?
Perfect en V-ing
must I not have been fittering? must you not have been fittering? must he not have been fittering? must we not have been fittering? must you not have been fittering? must they not have been fittering?