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Mass noun - A mass noun (or non-countable noun or noncount noun as it's also known) is a noun without a plural form. A mass noun is one that cannot be counted.
Count noun - Count nouns are nouns that can be pluralized, or counted with a number (one tomato, two tomatoes). To quantify a count or mass noun, we can use quantifiers, amount words (such as numbers), or determiners. Book,' 'dog,' 'chair,' and 'banana' are all examples of count nouns. (You can count them and make each of them plural.)
Abstract noun - An abstract noun is a noun that cannot be perceived using one of the five senses (i.e., taste, touch, sight, hearing, smelling). Look at the examples below: We can't imagine the courage it took to do that. Courage is an abstract noun because it cannot be seen, heard, tasted, touched, or smelled.
Collective noun - A collective noun is a word or phrase that refers to a group of people or things as one entity. One common error that arises from using collective nouns is subject-verb disagreement: writers often become confused about whether to treat a collective noun as singular or plural.
Explanation:
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