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