Beside the present and past perfect tenses, there are also the preterite, future and conditional perfect tenses. All are conjugated with a form of haber and a past participle.
The preterite perfect is formed with the preterite of haber + past participle, and it has the same meaning as the past perfect. But this tense is normally only used after conjunctions of time, such as así que, luego que, tan pronto como (as soon as); cuando (when); después (de) que (after); and hasta que (until).
The future perfect is formed with the future of haber + past participle and is also used to express probability, referring to the present.
The conditional perfect is formed with the conditional of haber + past participle and is also used to express probability, referring to the past.
Links
http://www.ielanguages.com/spanish4.html
Next: 085 Spanish Durations of Time
Word Document at: 084 Spanish Other Perfect Tenses
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