نَحْوُ: «جَلَسْتُ فِي الدَّارِ، وَفِي السُّوقِ، وَفِي الْمَسْجِدِ».
Translation: For example: I sat in the house, in the market, and in the mosque.
The three locative phrases are fī d-dāri, fī s-sūqi, and fī l-masjidi. Each noun is genitive because the preposition is overt.