I must preexist you must preexist she must preexist we must preexist you must preexist they must preexist
Forma con V-ing
I must be preexisting you must be preexisting she must be preexisting we must be preexisting you must be preexisting they must be preexisting
Perfecto
I must have preexisted you must have preexisted she must have preexisted we must have preexisted you must have preexisted they must have preexisted
Perfecto con V-ing
I must have been preexisting you must have been preexisting she must have been preexisting we must have been preexisting you must have been preexisting they must have been preexisting
Negación
Forma simple
I must not preexist you must not preexist she must not preexist we must not preexist you must not preexist they must not preexist
Forma con V-ing
I must not be preexisting you must not be preexisting she must not be preexisting we must not be preexisting you must not be preexisting they must not be preexisting
Perfecto
I must not have preexisted you must not have preexisted she must not have preexisted we must not have preexisted you must not have preexisted they must not have preexisted
Perfecto con V-ing
I must not have been preexisting you must not have been preexisting she must not have been preexisting we must not have been preexisting you must not have been preexisting they must not have been preexisting
Forma interrogativa
Forma simple
must I preexist? must you preexist? must she preexist? must we preexist? must you preexist? must they preexist?
Forma con V-ing
must I be preexisting? must you be preexisting? must she be preexisting? must we be preexisting? must you be preexisting? must they be preexisting?
Perfecto
must I have preexisted? must you have preexisted? must she have preexisted? must we have preexisted? must you have preexisted? must they have preexisted?
Perfecto con V-ing
must I have been preexisting? must you have been preexisting? must she have been preexisting? must we have been preexisting? must you have been preexisting? must they have been preexisting?
Forma interro-negativa
Forma simple
must I not preexist? must you not preexist? must she not preexist? must we not preexist? must you not preexist? must they not preexist?
Forma con V-ing
must I not be preexisting? must you not be preexisting? must she not be preexisting? must we not be preexisting? must you not be preexisting? must they not be preexisting?
Perfecto
must I not have preexisted? must you not have preexisted? must she not have preexisted? must we not have preexisted? must you not have preexisted? must they not have preexisted?
Perfecto con V-ing
must I not have been preexisting? must you not have been preexisting? must she not have been preexisting? must we not have been preexisting? must you not have been preexisting? must they not have been preexisting?