* Indefinite adjective: When used to refer to a whole quantity or number, "all" acts as an indefinite adjective.
* Example: "All the students were present."
* Distributive adjective: When used to refer to each member of a group individually, "all" acts as a distributive adjective.
* Example: "All the children got a prize."
* Determinative adjective: "All" can also act as a determinative adjective, similar to how "the" or "these" function.
* Example: "All my friends were there."
It's important to consider the context and the meaning it conveys to determine the specific type of adjective "all" is acting as.