I must take you must take he must take we must take you must take they must take
Forma con V-ing
I must be taking you must be taking he must be taking we must be taking you must be taking they must be taking
Perfecto
I must have taken you must have taken he must have taken we must have taken you must have taken they must have taken
Perfecto con V-ing
I must have been taking you must have been taking he must have been taking we must have been taking you must have been taking they must have been taking
Negación
Forma simple
I must not take you must not take he must not take we must not take you must not take they must not take
Forma con V-ing
I must not be taking you must not be taking he must not be taking we must not be taking you must not be taking they must not be taking
Perfecto
I must not have taken you must not have taken he must not have taken we must not have taken you must not have taken they must not have taken
Perfecto con V-ing
I must not have been taking you must not have been taking he must not have been taking we must not have been taking you must not have been taking they must not have been taking
Forma interrogativa
Forma simple
must I take? must you take? must he take? must we take? must you take? must they take?
Forma con V-ing
must I be taking? must you be taking? must he be taking? must we be taking? must you be taking? must they be taking?
Perfecto
must I have taken? must you have taken? must he have taken? must we have taken? must you have taken? must they have taken?
Perfecto con V-ing
must I have been taking? must you have been taking? must he have been taking? must we have been taking? must you have been taking? must they have been taking?
Forma interro-negativa
Forma simple
must I not take? must you not take? must he not take? must we not take? must you not take? must they not take?
Forma con V-ing
must I not be taking? must you not be taking? must he not be taking? must we not be taking? must you not be taking? must they not be taking?
Perfecto
must I not have taken? must you not have taken? must he not have taken? must we not have taken? must you not have taken? must they not have taken?
Perfecto con V-ing
must I not have been taking? must you not have been taking? must he not have been taking? must we not have been taking? must you not have been taking? must they not have been taking?