The imperative/command system includes not only direct second-person commands but also third- and first-person jussive commands with lām al-amr:
Word / formMeaning / explanation
لِيَقُلْlet him say.
قُلْsay!
لِأَقُلْlet me say.
PositionActive commandPassive command
هُوَلِيَقُلْلِيُقَلْ
هُمَا (م)لِيَقُولَالِيُقَالَا
هُمْلِيَقُولُوالِيُقَالُوا
هِيَلِتَقُلْلِتُقَلْ
هُمَا (ف)لِتَقُولَالِتُقَالَا
هُنَّلِيَقُلْنَلِيُقَلْنَ
أَنْتَقُلْلِتُقَلْ
أَنْتُمَا (م)قُولَالِتُقَالَا
أَنْتُمْقُولُوالِتُقَالُوا
أَنْتِقُولِيلِتُقَالِي
أَنْتُمَا (ف)قُولَالِتُقَالَا
أَنْتُنَّقُلْنَلِتُقَلْنَ
أَنَالِأَقُلْلِأُقَلْ
نَحْنُلِنَقُلْلِنُقَلْ
Passive لِيُقَلْ means “let it be said”; it must not be confused with active قُلْ.