In Irish Gaelic:
* Tú: This is the most common and general form, meaning "you" when addressing one person.
* Sibh: This is the formal form, meaning "you" when addressing more than one person.
* Tusa: This is a more emphatic form of "you" that can be used to emphasize the person being addressed.
* Sibhse: This is the emphatic form of "you" used to emphasize a group of people being addressed.
In Scottish Gaelic:
* Thu: This is the most common and general form, meaning "you" when addressing one person.
* Sibh: This is the formal form, meaning "you" when addressing more than one person.
* Tusa: This is a more emphatic form of "you" that can be used to emphasize the person being addressed.
* Sibhse: This is the emphatic form of "you" used to emphasize a group of people being addressed.
Example:
* "You are beautiful." in Irish Gaelic: "Tá tú álainn."
* "You are beautiful." in Scottish Gaelic: "Tha thu brèagha."
It's important to note that there are subtle differences in pronunciation and usage between different dialects of both Irish and Scottish Gaelic.