1. A compound predicate (it's formed by 2 or more verbs/actions performed by the same subject): Lucy is doing her homework and listening to music.
2. A predicate noun (noun/noun phrase that renames the subject and follows a verb): Lucy is a student
and a predicate pronoun (a pronoun that forms part of a predicate ):Lucy finished it.
3. A predicate adjective (it completes the predicate and it follows a verb, modifying the subject) after the verb appears: Lucy appears to be sad.
4. A predicate noun after the verb were.
Lucy and her cousin were my classmates.
5. A compound predicate adjective.
Lucy was beautiful but lazy.