Definition: It is a word that names a person, a thing, a place or an idea. Grammatically, it is the head word of grammatical structure in which it functions.
Kinds of nouns: Common nouns name general places or things or ideas e.g., man, country, statute. Proper nouns name a particular person, place, or thing e.g., Michael Jordan, Indonesia, Statute of Liberty. Concrete nouns describe things that can be seen, heard, touched, smelled or tasted e.g., hat, hen, desk. Abstract nouns describe things that cannot be seen, touched, smelled, heard or tasted as emotions, feelings, or qualities e.g., love responsibility, justice, fear, etc.
Count and noncount nouns: Count nouns name things, places or people that you can count (two books, three boys, one school). Count nouns can be singular or plural. Noncount nouns name things that you cannot count (sunshine, oxygen, information). They never take plural form.
1. It functions as a subject of verb (John loves Mary). 2. It functions as an object of verb-direct object (John loves Mary) indirect (John sent Mary some money). 3. It functions as an object of preposition (She took it from John). 4. It functions as a subjective complement after verb to be (John is the president), objective (They elected John president). 5. It functions as noun adjunct (John waited at the bus stop). 6. It functions as appositive (John, president of his club, gave a speech). 7. It functions as direct address (John, come here).
Forms of nouns
Singular (one bird, one street). Plural (two birds, three birds, two streets four streets). Most nouns can be pluralized by adding –s. –es are added to nouns ending in –sh, -ch, -ss, and –x (one dish vs. two dishes, one church vs. five churches, one class vs. two classes, one box vs. three boxes). If a noun ends in a consonant+ -y, change the “y” to “i” and add –es (one baby vs. two babies, one city vs. five cities). If –y is preceded by a vowel, add –s (one boy vs. seven boys, one day