To solve this question, we need to identify common nouns in the given sentences. A common noun is a general name for a person, place, or thing, unlike a proper noun, which names a specific one.
Let's examine each sentence to find the common nouns:
A monkey is sitting on a tree. Common nouns: monkey , tree . Both 'monkey' and 'tree' refer to general names for objects.
The park is full of flowers. Common nouns: park , flowers . The word 'park' is a general term for a public area, and 'flowers' is a general term for the plants.
A boy is reading a book. Common nouns: boy , book . 'Boy' is a general name for a young male, and 'book' is a general name for a reading material.
A girl is riding a bicycle. Common nouns: girl , bicycle . 'Girl' is used generally for a young female, and 'bicycle' is a general term for a two-wheeled vehicle.
My city is very beautiful. Common noun: city . The word 'city' is a general term used for a large town or urban area.
There are 36 students in my class. Common nouns: students , class . Both 'students' and 'class' are general terms referring to individuals in a learning environment and their group division, respectively.
My pet cat is very fat. Common noun: cat . This uses 'cat' as a general name for a type of pet.
Remember, common nouns refer to general people, places, things, and are not capitalized unless they start a sentence.