I must boggle you must boggle she must boggle we must boggle you must boggle they must boggle
Forma con V-ing
I must be boggling you must be boggling she must be boggling we must be boggling you must be boggling they must be boggling
Perfecto
I must have boggled you must have boggled she 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 she 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 she 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 she 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 she 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 she 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 she boggle? must we boggle? must you boggle? must they boggle?
Forma con V-ing
must I be boggling? must you be boggling? must she be boggling? must we be boggling? must you be boggling? must they be boggling?
Perfecto
must I have boggled? must you have boggled? must she 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 she 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 she 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 she 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 she 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 she not have been boggling? must we not have been boggling? must you not have been boggling? must they not have been boggling?