Understanding Theta Roles: Agent, Patient, Theme, and More
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Understanding Theta Roles in Linguistics
Theta roles, also known as semantic roles, describe the role a word or phrase plays in relation to the verb in a sentence. Here's a breakdown of common theta roles:
Agent
The agent is the active instigator or causer of an action. Agents are typically animate (animals or people) and possess volition and cognitive ability.
Examples:
- Mary killed Peter.
- Peter was killed by Mary.
Patient
The patient is the entity undergoing a process or physically affected by an action. It's the affected party of an action instigated by an agent or simply the undergoer of a process.
Examples:
- Peter melted the ice. / The ice was melted by Peter.
- The ice melted.
Theme
The theme is something or someone that is located in a place or that