I must waste you must waste he must waste we must waste you must waste they must waste
Forma con V-ing
I must be wasting you must be wasting he must be wasting we must be wasting you must be wasting they must be wasting
Perfecto
I must have wasted you must have wasted he must have wasted we must have wasted you must have wasted they must have wasted
Perfecto con V-ing
I must have been wasting you must have been wasting he must have been wasting we must have been wasting you must have been wasting they must have been wasting
Negación
Forma simple
I must not waste you must not waste he must not waste we must not waste you must not waste they must not waste
Forma con V-ing
I must not be wasting you must not be wasting he must not be wasting we must not be wasting you must not be wasting they must not be wasting
Perfecto
I must not have wasted you must not have wasted he must not have wasted we must not have wasted you must not have wasted they must not have wasted
Perfecto con V-ing
I must not have been wasting you must not have been wasting he must not have been wasting we must not have been wasting you must not have been wasting they must not have been wasting
Forma interrogativa
Forma simple
must I waste? must you waste? must he waste? must we waste? must you waste? must they waste?
Forma con V-ing
must I be wasting? must you be wasting? must he be wasting? must we be wasting? must you be wasting? must they be wasting?
Perfecto
must I have wasted? must you have wasted? must he have wasted? must we have wasted? must you have wasted? must they have wasted?
Perfecto con V-ing
must I have been wasting? must you have been wasting? must he have been wasting? must we have been wasting? must you have been wasting? must they have been wasting?
Forma interro-negativa
Forma simple
must I not waste? must you not waste? must he not waste? must we not waste? must you not waste? must they not waste?
Forma con V-ing
must I not be wasting? must you not be wasting? must he not be wasting? must we not be wasting? must you not be wasting? must they not be wasting?
Perfecto
must I not have wasted? must you not have wasted? must he not have wasted? must we not have wasted? must you not have wasted? must they not have wasted?
Perfecto con V-ing
must I not have been wasting? must you not have been wasting? must he not have been wasting? must we not have been wasting? must you not have been wasting? must they not have been wasting?