I must preside you must preside she must preside we must preside you must preside they must preside
Forme en V-ing
I must be presiding you must be presiding she must be presiding we must be presiding you must be presiding they must be presiding
Perfect
I must have presided you must have presided she must have presided we must have presided you must have presided they must have presided
Perfect en V-ing
I must have been presiding you must have been presiding she must have been presiding we must have been presiding you must have been presiding they must have been presiding
Négation
Forme simple
I must not preside you must not preside she must not preside we must not preside you must not preside they must not preside
Forme en V-ing
I must not be presiding you must not be presiding she must not be presiding we must not be presiding you must not be presiding they must not be presiding
Perfect
I must not have presided you must not have presided she must not have presided we must not have presided you must not have presided they must not have presided
Perfect en V-ing
I must not have been presiding you must not have been presiding she must not have been presiding we must not have been presiding you must not have been presiding they must not have been presiding
Forme interrogative
Forme simple
must I preside? must you preside? must she preside? must we preside? must you preside? must they preside?
Forme en V-ing
must I be presiding? must you be presiding? must she be presiding? must we be presiding? must you be presiding? must they be presiding?
Perfect
must I have presided? must you have presided? must she have presided? must we have presided? must you have presided? must they have presided?
Perfect en V-ing
must I have been presiding? must you have been presiding? must she have been presiding? must we have been presiding? must you have been presiding? must they have been presiding?
Forme interro-négative
Forme simple
must I not preside? must you not preside? must she not preside? must we not preside? must you not preside? must they not preside?
Forme en V-ing
must I not be presiding? must you not be presiding? must she not be presiding? must we not be presiding? must you not be presiding? must they not be presiding?
Perfect
must I not have presided? must you not have presided? must she not have presided? must we not have presided? must you not have presided? must they not have presided?
Perfect en V-ing
must I not have been presiding? must you not have been presiding? must she not have been presiding? must we not have been presiding? must you not have been presiding? must they not have been presiding?