The Spanish future perfect indicative tense is used to talk about something that will have been completed at some point in the future. You can also use it to imply to probability that something will be completed.
simple future of "haber" + past participle of verb
|Ya habras terminado cuando nosotros llegamos a tu casa.
|You had already finished when we arrived in your home.
The following charts show the verb “endings” for all regular verbs in the Future Perfect Indicative Tense.
You will notice that all uses of the future perfect use the verb
Remember: these verb charts are only a tool to use while one is learning the language. In other words, one must eventually forget the verb chart and it must become second nature.