You employ more of in front of a pronoun, for instance us or it, or before a noun which has a determiner or possessive before it.We want more sheets → نَحْنُ في حَاجَةٍ إِلى الـمَزِيدِ مِنْ الـمَفارِشِ → Potřebujeme více prostěradel → Vi har brug for flere lagener → Wir brauchen mehr Bettlaken