I must persist you must persist she must persist we must persist you must persist they must persist
Forma con V-ing
I must be persisting you must be persisting she must be persisting we must be persisting you must be persisting they must be persisting
Perfecto
I must have persisted you must have persisted she must have persisted we must have persisted you must have persisted they must have persisted
Perfecto con V-ing
I must have been persisting you must have been persisting she must have been persisting we must have been persisting you must have been persisting they must have been persisting
Negación
Forma simple
I must not persist you must not persist she must not persist we must not persist you must not persist they must not persist
Forma con V-ing
I must not be persisting you must not be persisting she must not be persisting we must not be persisting you must not be persisting they must not be persisting
Perfecto
I must not have persisted you must not have persisted she must not have persisted we must not have persisted you must not have persisted they must not have persisted
Perfecto con V-ing
I must not have been persisting you must not have been persisting she must not have been persisting we must not have been persisting you must not have been persisting they must not have been persisting
Forma interrogativa
Forma simple
must I persist? must you persist? must she persist? must we persist? must you persist? must they persist?
Forma con V-ing
must I be persisting? must you be persisting? must she be persisting? must we be persisting? must you be persisting? must they be persisting?
Perfecto
must I have persisted? must you have persisted? must she have persisted? must we have persisted? must you have persisted? must they have persisted?
Perfecto con V-ing
must I have been persisting? must you have been persisting? must she have been persisting? must we have been persisting? must you have been persisting? must they have been persisting?
Forma interro-negativa
Forma simple
must I not persist? must you not persist? must she not persist? must we not persist? must you not persist? must they not persist?
Forma con V-ing
must I not be persisting? must you not be persisting? must she not be persisting? must we not be persisting? must you not be persisting? must they not be persisting?
Perfecto
must I not have persisted? must you not have persisted? must she not have persisted? must we not have persisted? must you not have persisted? must they not have persisted?
Perfecto con V-ing
must I not have been persisting? must you not have been persisting? must she not have been persisting? must we not have been persisting? must you not have been persisting? must they not have been persisting?