I must flabbergast you must flabbergast he must flabbergast we must flabbergast you must flabbergast they must flabbergast
Forme en V-ing
I must be flabbergasting you must be flabbergasting he must be flabbergasting we must be flabbergasting you must be flabbergasting they must be flabbergasting
Perfect
I must have flabbergasted you must have flabbergasted he must have flabbergasted we must have flabbergasted you must have flabbergasted they must have flabbergasted
Perfect en V-ing
I must have been flabbergasting you must have been flabbergasting he must have been flabbergasting we must have been flabbergasting you must have been flabbergasting they must have been flabbergasting
Négation
Forme simple
I mustn't flabbergast you mustn't flabbergast he mustn't flabbergast we mustn't flabbergast you mustn't flabbergast they mustn't flabbergast
Forme en V-ing
I mustn't be flabbergasting you mustn't be flabbergasting he mustn't be flabbergasting we mustn't be flabbergasting you mustn't be flabbergasting they mustn't be flabbergasting
Perfect
I mustn't have flabbergasted you mustn't have flabbergasted he mustn't have flabbergasted we mustn't have flabbergasted you mustn't have flabbergasted they mustn't have flabbergasted
Perfect en V-ing
I mustn't have been flabbergasting you mustn't have been flabbergasting he mustn't have been flabbergasting we mustn't have been flabbergasting you mustn't have been flabbergasting they mustn't have been flabbergasting
Forme interrogative
Forme simple
must I flabbergast? must you flabbergast? must he flabbergast? must we flabbergast? must you flabbergast? must they flabbergast?
Forme en V-ing
must I be flabbergasting? must you be flabbergasting? must he be flabbergasting? must we be flabbergasting? must you be flabbergasting? must they be flabbergasting?
Perfect
must I have flabbergasted? must you have flabbergasted? must he have flabbergasted? must we have flabbergasted? must you have flabbergasted? must they have flabbergasted?
Perfect en V-ing
must I have been flabbergasting? must you have been flabbergasting? must he have been flabbergasting? must we have been flabbergasting? must you have been flabbergasting? must they have been flabbergasting?
Forme interro-négative
Forme simple
mustn't I flabbergast? mustn't you flabbergast? mustn't he flabbergast? mustn't we flabbergast? mustn't you flabbergast? mustn't they flabbergast?
Forme en V-ing
mustn't I be flabbergasting? mustn't you be flabbergasting? mustn't he be flabbergasting? mustn't we be flabbergasting? mustn't you be flabbergasting? mustn't they be flabbergasting?
Perfect
mustn't I have flabbergasted? mustn't you have flabbergasted? mustn't he have flabbergasted? mustn't we have flabbergasted? mustn't you have flabbergasted? mustn't they have flabbergasted?
Perfect en V-ing
mustn't I have been flabbergasting? mustn't you have been flabbergasting? mustn't he have been flabbergasting? mustn't we have been flabbergasting? mustn't you have been flabbergasting? mustn't they have been flabbergasting?