In 6 positions, an Alif comes immediately before Heavy Noon:
• all 4 dual forms
• both 2 feminine plural forms
A dual example:
لَيَفْعَلَانِّ
In the feminine plural forms, an extra separating Alif is inserted between the subject Noon and Heavy Noon. This is called Alif-e-Faasil.
Example:
لَيَفْعَلْنَانِّ
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Six Forms Have an Alif Before Heavy Noon
Structural Rules of Heavy and Light Noon-e-Ta'keed
In 6 positions, an Alif comes immediately before Heavy Noon:
• all 4 dual forms
• both 2 feminine plural forms
A dual example:
لَيَفْعَلَانِّ
In the feminine plural forms, an extra separating Alif is inserted between the subject Noon and Heavy Noon. This is called Alif-e-Faasil.
Example:
لَيَفْعَلْنَانِّ