After 3–10 the counted noun is plural genitive in iḍāfah; after 11–99 it is singular accusative tamyīz. These two sentences contrast the rules.
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Case 5: Compare 3 and 20
Advanced Parsing Workshop: Integrated Grammar
After 3–10 the counted noun is plural genitive in iḍāfah; after 11–99 it is singular accusative tamyīz. These two sentences contrast the rules.