Future perfect tense passive voice is determined by how the verb is used in a sentence. To have the future perfect tense you must put the verb "to have" in the future after that the past participle "to be". Passive voice indicates that the subject is passive. There are twelve tenses in the English language, and there are three types they are simple, perfect, progressive. Simple is at a point in
. time, Simple past, Simple present, Simple future. Perfect is over a period of time, Past Perfect, Present Prefect and Future Perfect, and Progressive is in Progress, there is one progressive for each of the tenses. Past progressive, present progressive, future progressive, Past perfect progressive, Present perfect progressive, and Future perfect progressive. You can find more information and see some examples using the following link:http://faculty.cbhs.org/rgossett/passive_voice.htm
