General usage:
* "The predicate of the sentence tells us what the subject does or is."
* "In logic, a predicate is a function that returns a truth value."
* "The predicate of a verb phrase is the part that describes the action or state of being."
Example sentences:
* "The predicate of the sentence 'The dog barked' is 'barked.'"
* "The predicate 'is green' can be applied to many different subjects, such as 'grass' or 'a frog.'"
* "In the sentence 'John is a doctor,' 'is a doctor' is the predicate."
More advanced usage:
* "The predicate calculus is a system of logic that uses predicates to express relationships between objects."
* "The predicate in this database query specifies the conditions that must be met for a record to be included in the results."
Remember that the word "predicate" has different meanings depending on the context, so it's important to pay attention to the surrounding words and phrases to understand how it is being used.