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 mustn't preestablish you mustn't preestablish she mustn't preestablish we mustn't preestablish you mustn't preestablish they mustn't preestablish
Forme en V-ing
I mustn't be preestablishing you mustn't be preestablishing she mustn't be preestablishing we mustn't be preestablishing you mustn't be preestablishing they mustn't be preestablishing
Perfect
I mustn't have preestablished you mustn't have preestablished she mustn't have preestablished we mustn't have preestablished you mustn't have preestablished they mustn't have preestablished
Perfect en V-ing
I mustn't have been preestablishing you mustn't have been preestablishing she mustn't have been preestablishing we mustn't have been preestablishing you mustn't have been preestablishing they mustn't 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
mustn't I preestablish? mustn't you preestablish? mustn't she preestablish? mustn't we preestablish? mustn't you preestablish? mustn't they preestablish?
Forme en V-ing
mustn't I be preestablishing? mustn't you be preestablishing? mustn't she be preestablishing? mustn't we be preestablishing? mustn't you be preestablishing? mustn't they be preestablishing?
Perfect
mustn't I have preestablished? mustn't you have preestablished? mustn't she have preestablished? mustn't we have preestablished? mustn't you have preestablished? mustn't they have preestablished?
Perfect en V-ing
mustn't I have been preestablishing? mustn't you have been preestablishing? mustn't she have been preestablishing? mustn't we have been preestablishing? mustn't you have been preestablishing? mustn't they have been preestablishing?