I must preestablish you must preestablish she must preestablish we must preestablish you must preestablish they must preestablish
Forme en V-ing
I must be preestablishing you must be preestablishing she must be preestablishing we must be preestablishing you must be preestablishing they must be preestablishing
Perfect
I must have preestablished you must have preestablished she must have preestablished we must have preestablished you must have preestablished they must have preestablished
Perfect en V-ing
I must have been preestablishing you must have been preestablishing she must have been preestablishing we must have been preestablishing you must have been preestablishing they must have been preestablishing
Négation
Forme simple
I must not preestablish you must not preestablish she must not preestablish we must not preestablish you must not preestablish they must not preestablish
Forme en V-ing
I must not be preestablishing you must not be preestablishing she must not be preestablishing we must not be preestablishing you must not be preestablishing they must not be preestablishing
Perfect
I must not have preestablished you must not have preestablished she must not have preestablished we must not have preestablished you must not have preestablished they must not have preestablished
Perfect en V-ing
I must not have been preestablishing you must not have been preestablishing she must not have been preestablishing we must not have been preestablishing you must not have been preestablishing they must not have been preestablishing
Forme interrogative
Forme simple
must I preestablish? must you preestablish? must she preestablish? must we preestablish? must you preestablish? must they preestablish?
Forme en V-ing
must I be preestablishing? must you be preestablishing? must she be preestablishing? must we be preestablishing? must you be preestablishing? must they be preestablishing?
Perfect
must I have preestablished? must you have preestablished? must she have preestablished? must we have preestablished? must you have preestablished? must they have preestablished?
Perfect en V-ing
must I have been preestablishing? must you have been preestablishing? must she have been preestablishing? must we have been preestablishing? must you have been preestablishing? must they have been preestablishing?
Forme interro-négative
Forme simple
must I not preestablish? must you not preestablish? must she not preestablish? must we not preestablish? must you not preestablish? must they not preestablish?
Forme en V-ing
must I not be preestablishing? must you not be preestablishing? must she not be preestablishing? must we not be preestablishing? must you not be preestablishing? must they not be preestablishing?
Perfect
must I not have preestablished? must you not have preestablished? must she not have preestablished? must we not have preestablished? must you not have preestablished? must they not have preestablished?
Perfect en V-ing
must I not have been preestablishing? must you not have been preestablishing? must she not have been preestablishing? must we not have been preestablishing? must you not have been preestablishing? must they not have been preestablishing?