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