I must boggle you must boggle he must boggle we must boggle you must boggle they must boggle
Forma con 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
Perfecto
I must have boggled you must have boggled he must have boggled we must have boggled you must have boggled they must have boggled
Perfecto con 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
Negación
Forma simple
I must not boggle you must not boggle he must not boggle we must not boggle you must not boggle they must not boggle
Forma con V-ing
I must not be boggling you must not be boggling he must not be boggling we must not be boggling you must not be boggling they must not be boggling
Perfecto
I must not have boggled you must not have boggled he must not have boggled we must not have boggled you must not have boggled they must not have boggled
Perfecto con V-ing
I must not have been boggling you must not have been boggling he must not have been boggling we must not have been boggling you must not have been boggling they must not have been boggling
Forma interrogativa
Forma simple
must I boggle? must you boggle? must he boggle? must we boggle? must you boggle? must they boggle?
Forma con 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?
Perfecto
must I have boggled? must you have boggled? must he have boggled? must we have boggled? must you have boggled? must they have boggled?
Perfecto con 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?
Forma interro-negativa
Forma simple
must I not boggle? must you not boggle? must he not boggle? must we not boggle? must you not boggle? must they not boggle?
Forma con V-ing
must I not be boggling? must you not be boggling? must he not be boggling? must we not be boggling? must you not be boggling? must they not be boggling?
Perfecto
must I not have boggled? must you not have boggled? must he not have boggled? must we not have boggled? must you not have boggled? must they not have boggled?
Perfecto con V-ing
must I not have been boggling? must you not have been boggling? must he not have been boggling? must we not have been boggling? must you not have been boggling? must they not have been boggling?