I must give you must give she must give we must give you must give they must give
Forma con V-ing
I must be giving you must be giving she must be giving we must be giving you must be giving they must be giving
Perfecto
I must have given you must have given she must have given we must have given you must have given they must have given
Perfecto con V-ing
I must have been giving you must have been giving she must have been giving we must have been giving you must have been giving they must have been giving
Negación
Forma simple
I must not give you must not give she must not give we must not give you must not give they must not give
Forma con V-ing
I must not be giving you must not be giving she must not be giving we must not be giving you must not be giving they must not be giving
Perfecto
I must not have given you must not have given she must not have given we must not have given you must not have given they must not have given
Perfecto con V-ing
I must not have been giving you must not have been giving she must not have been giving we must not have been giving you must not have been giving they must not have been giving
Forma interrogativa
Forma simple
must I give? must you give? must she give? must we give? must you give? must they give?
Forma con V-ing
must I be giving? must you be giving? must she be giving? must we be giving? must you be giving? must they be giving?
Perfecto
must I have given? must you have given? must she have given? must we have given? must you have given? must they have given?
Perfecto con V-ing
must I have been giving? must you have been giving? must she have been giving? must we have been giving? must you have been giving? must they have been giving?
Forma interro-negativa
Forma simple
must I not give? must you not give? must she not give? must we not give? must you not give? must they not give?
Forma con V-ing
must I not be giving? must you not be giving? must she not be giving? must we not be giving? must you not be giving? must they not be giving?
Perfecto
must I not have given? must you not have given? must she not have given? must we not have given? must you not have given? must they not have given?
Perfecto con V-ing
must I not have been giving? must you not have been giving? must she not have been giving? must we not have been giving? must you not have been giving? must they not have been giving?