The same 8 grammatical positions also occur in the passive voice.
FormPosition
لَيُفْعَلَنْmasculine Ghaa'ib singular
لَتُفْعَلَنْfeminine Ghaa'ib singular
لَتُفْعَلَنْmasculine Haadhir singular
لَتُفْعَلِنْfeminine Haadhir singular
لَيُفْعَلُنْmasculine Ghaa'ib plural
لَتُفْعَلُنْmasculine Haadhir plural
لَأُفْعَلَنْMutakallim singular
لَنُفْعَلَنْMutakallim plural
The eligible positions stay the same; only the active/passive vowel pattern changes.