<P> The future perfect is a verb form or construction used to describe an event that is expected or planned to happen before a time of reference in the future, such as will have finished in the English sentence "I will have finished by tomorrow ." It is a grammatical combination of the future tense, or other marking of future time, and the perfect, a grammatical aspect that views an event as prior and completed . </P> <P> In English, the future perfect construction consists of the auxiliary verb will (or shall; see shall and will) to mark the future, the auxiliary verb have to mark the perfect, and the past participle of the main verb (the second component of the English perfect construction). For example: </P> <Ul> <Li> She will have fallen asleep by the time we get home . </Li> <Li> I shall have gone by then . </Li> <Li> Will you have finished when I get back? </Li> </Ul>

What formula is used to say what someone is going to do in spanish