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