What are examples of proper an plural nouns using sentence?

Here are some examples of proper and plural nouns used in sentences:

Proper Nouns (Singular)

* Person: "Sarah went to the store."

* Place: "The Eiffel Tower is in Paris."

* Thing: "He drove a Ford Mustang."

Plural Nouns

* People: "The students were excited for the field trip."

* Places: "We visited several countries in Europe."

* Things: "She bought three books at the bookstore."

Note: Proper nouns are always capitalized, even when they are part of a plural noun. For example:

* "The Smiths went to the United States."

Let me know if you'd like more examples or have any other questions!