If:
Then:
Example:
| قاوِلٌ | → | قائلٌ |
| بَايِعٌ | → | بَائِعٌ |
When a wāw sits as the ʿayn kalimah of a maṣdar after a kasrah, or in a plural, it converts to a yāʾ if its verb takes the rules of taʿlīl.
When a yāʾ stands as the lām kalimah after a ḍammah, it converts to a wāw, the transformation that turns نَهُيَ into نَهُوَ.
Rule for dropping the wāw in muʿtal verbs of the يَعِدُ pattern when the sign of muḍāriʿ is maftūḥ and the ʿayn kalimah is maksūr.
When wāw or yāʾ falls at the end of a word after an alif zāʾidah, it is converted to a hamzah.
