What are the 27 indefinite pronouns?
Words that fall into this category are: everyone, everybody, someone, somebody, each, one, much, nobody, no one, either, neither, anybody, anyone, any, all, most, some, none, more, both, several, few, and many. It makes sense to call these pronouns indefinite because of their non-specific status.
What are Indefinite Pronouns? An indefinite pronoun refers to a non-specific person or thing. The most common ones are: all, any, anyone, anything, each, everybody, everyone, everything, few, many, nobody, none, one, several, some, somebody, and someone.
Pronouns are classified as personal (I, we, you, he, she, it, they), demonstrative (this, these, that, those), relative (who, which, that, as), indefinite (each, all, everyone, either, one, both, any, such, somebody), interrogative (who, which, what), reflexive (myself, herself), possessive (mine, yours, his, hers, ...
all, another, any, anybody/anyone, anything, each, everybody/everyone, everything, few, many, nobody, none, one, several, some, somebody/someone.
In Modern English the personal pronouns include: "I," "you," "he," "she," "it," "we," "they," "them," "us," "him," "her," "his," "hers," "its," "theirs," "our," "your."
An indefinite pronoun is a pronoun that is not definite in meaning. This means they are not specific in which noun they replace. Here is a list of examples of indefinite pronouns: anybody, anything, both, each, either, everyone, few, many, neither, nobody, none, several, someone, something, and somebody.
The indefinite pronouns "all," "any," "more," "most," and "some" are singular when they refer to something singular but plural when they refer to something plural. More of them are required.
Any, each, nothing, no one, nobody, everyone, everybody, nothing, everything, someone, something, many, all, some, anyone, anything, anybody and another are some of the indefinite pronouns.
Some examples of pronouns are I, he, him, you, we, him, her, yours, theirs, someone, where, when, yourselves, themselves, oneself, is, hers, when, whom, whose, each other, one another, everyone, nobody, none, each, anywhere, anyone, nothing, etc.
I, you, he, she, it, we, they, me, him, her, us, them. There are two kinds of personal pronouns: Subjective pronouns and objective pronouns.
What is the full list of pronouns?
Pronouns can be in the first person singular (I, me) or plural (we, us); second person singular or plural (you); and the third person singular (e.g., she/her, he/him, they/them, ze/hir) or plural (they/them). Gendered pronouns specifically reference someone's gender: he/him/his or she/her/hers.
There are seven types of pronouns that both English and English as a second language writers must recognize: the personal pronoun, the demonstrative pronoun, the interrogative pronoun, the relative pronoun, the indefinite pronoun, the reflexive pronoun, and the intensive pronoun.

The indefinite pronouns all, any, more, most, none, and some can be singular or plural, depending on how they are used.
I, you, he, she, it, we, they, me, him, her, us, and them are all personal pronouns.
all, another, any, anybody/anyone, anything, each, everybody/everyone, everything, few, many, nobody, none, one, several, some, somebody/someone.
Some examples of pronouns are I, he, him, you, we, him, her, yours, theirs, someone, where, when, yourselves, themselves, oneself, is, hers, when, whom, whose, each other, one another, everyone, nobody, none, each, anywhere, anyone, nothing, etc.
Some typical indefinite pronouns are: all, another, any, anybody/anyone, anything, each, everybody/everyone, everything, few, many, nobody, none, one, several, some, somebody/someone.
Personal pronouns include first-person, second-person and third-person pronouns. They are used to identify the speaker/listener or the person/thing being referred to. I, me, you, we, us, he, him, she, her, it, they and them are the different personal pronouns in the English language.