I must lather you must lather she must lather we must lather you must lather they must lather
Forme en V-ing
I must be lathering you must be lathering she must be lathering we must be lathering you must be lathering they must be lathering
Perfect
I must have lathered you must have lathered she must have lathered we must have lathered you must have lathered they must have lathered
Perfect en V-ing
I must have been lathering you must have been lathering she must have been lathering we must have been lathering you must have been lathering they must have been lathering
Négation
Forme simple
I must not lather you must not lather she must not lather we must not lather you must not lather they must not lather
Forme en V-ing
I must not be lathering you must not be lathering she must not be lathering we must not be lathering you must not be lathering they must not be lathering
Perfect
I must not have lathered you must not have lathered she must not have lathered we must not have lathered you must not have lathered they must not have lathered
Perfect en V-ing
I must not have been lathering you must not have been lathering she must not have been lathering we must not have been lathering you must not have been lathering they must not have been lathering
Forme interrogative
Forme simple
must I lather? must you lather? must she lather? must we lather? must you lather? must they lather?
Forme en V-ing
must I be lathering? must you be lathering? must she be lathering? must we be lathering? must you be lathering? must they be lathering?
Perfect
must I have lathered? must you have lathered? must she have lathered? must we have lathered? must you have lathered? must they have lathered?
Perfect en V-ing
must I have been lathering? must you have been lathering? must she have been lathering? must we have been lathering? must you have been lathering? must they have been lathering?
Forme interro-négative
Forme simple
must I not lather? must you not lather? must she not lather? must we not lather? must you not lather? must they not lather?
Forme en V-ing
must I not be lathering? must you not be lathering? must she not be lathering? must we not be lathering? must you not be lathering? must they not be lathering?
Perfect
must I not have lathered? must you not have lathered? must she not have lathered? must we not have lathered? must you not have lathered? must they not have lathered?
Perfect en V-ing
must I not have been lathering? must you not have been lathering? must she not have been lathering? must we not have been lathering? must you not have been lathering? must they not have been lathering?