I must precontract you must precontract she must precontract we must precontract you must precontract they must precontract
Forme en V-ing
I must be precontracting you must be precontracting she must be precontracting we must be precontracting you must be precontracting they must be precontracting
Perfect
I must have precontracted you must have precontracted she must have precontracted we must have precontracted you must have precontracted they must have precontracted
Perfect en V-ing
I must have been precontracting you must have been precontracting she must have been precontracting we must have been precontracting you must have been precontracting they must have been precontracting
Négation
Forme simple
I mustn't precontract you mustn't precontract she mustn't precontract we mustn't precontract you mustn't precontract they mustn't precontract
Forme en V-ing
I mustn't be precontracting you mustn't be precontracting she mustn't be precontracting we mustn't be precontracting you mustn't be precontracting they mustn't be precontracting
Perfect
I mustn't have precontracted you mustn't have precontracted she mustn't have precontracted we mustn't have precontracted you mustn't have precontracted they mustn't have precontracted
Perfect en V-ing
I mustn't have been precontracting you mustn't have been precontracting she mustn't have been precontracting we mustn't have been precontracting you mustn't have been precontracting they mustn't have been precontracting
Forme interrogative
Forme simple
must I precontract? must you precontract? must she precontract? must we precontract? must you precontract? must they precontract?
Forme en V-ing
must I be precontracting? must you be precontracting? must she be precontracting? must we be precontracting? must you be precontracting? must they be precontracting?
Perfect
must I have precontracted? must you have precontracted? must she have precontracted? must we have precontracted? must you have precontracted? must they have precontracted?
Perfect en V-ing
must I have been precontracting? must you have been precontracting? must she have been precontracting? must we have been precontracting? must you have been precontracting? must they have been precontracting?
Forme interro-négative
Forme simple
mustn't I precontract? mustn't you precontract? mustn't she precontract? mustn't we precontract? mustn't you precontract? mustn't they precontract?
Forme en V-ing
mustn't I be precontracting? mustn't you be precontracting? mustn't she be precontracting? mustn't we be precontracting? mustn't you be precontracting? mustn't they be precontracting?
Perfect
mustn't I have precontracted? mustn't you have precontracted? mustn't she have precontracted? mustn't we have precontracted? mustn't you have precontracted? mustn't they have precontracted?
Perfect en V-ing
mustn't I have been precontracting? mustn't you have been precontracting? mustn't she have been precontracting? mustn't we have been precontracting? mustn't you have been precontracting? mustn't they have been precontracting?