1. First identify whether it is a broken plural.
2. Locate the plural alif.
3. Check the book's alternatives: two letters, a doubled letter, or three letters with a sākin middle after alif.
4. In the third shape, retain the book's restriction about accepting final hāʾ.
5. Finally use the governor and any al-/iḍāfa to determine the case ending.
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A Reliable Identification Procedure
Diptote Causes — Ultimate Broken-Plural Patterns
1. First identify whether it is a broken plural.
2. Locate the plural alif.
3. Check the book's alternatives: two letters, a doubled letter, or three letters with a sākin middle after alif.
4. In the third shape, retain the book's restriction about accepting final hāʾ.
5. Finally use the governor and any al-/iḍāfa to determine the case ending.