Yes, it’s a book!

Ni, it isn’t!

English grammar is a series of language rules that are systematically summarized and summarized after studying the English language. The essence of English grammar lies in mastering the use of language.

Noun

Noun (noun) refers to the name of a person or thing.

Nouns are generally divided into proper nouns and common nouns. Proper nouns are specific names for individual people, things, places, groups, institutions, etc. The first letter is usually capitalized.

Nouns can also be divided into countable nouns and uncountable nouns according to the nature of the things they represent. Countable nouns have singular and plural forms.

Pronouns (pronouns) are used to replace nouns, etc.

Pronouns are divided into personal pronouns, possessive pronouns, demonstrative pronouns, reflexive pronouns, reciprocal pronouns, and interrogative pronouns. pronoun), relative pronoun, conjunctive pronoun and indefinite pronoun.

1. Personal pronouns replace the names of people or things, and are divided into two types: nominative personal pronouns and objective personal pronouns.

2. Possessive pronouns are pronouns that express all relationships, and are divided into two types: adjective possessive pronouns and noun possessive pronouns. Adjective possessive pronouns are equivalent to adjectives, placed before nouns as attributives. Noun possessive pronouns are equivalent to nouns and cannot be used before nouns.

Numerical words

Numerical words indicate quantity or order, etc. Divided into cardinal numbers (cadinal number) and ordinal numbers (ordinal number).

1. Cardinal words indicate the number.

1—12

One, two, three,..., twelve

More than a dozen (13—19)

Corresponding words Add -teen at the end (except for eleven, twelve, thirteen, fifteen, and eighteen, which are special forms, fourteen, sixteen, seventeen, and nineteen are all formed by adding the suffix -teen to the single-digit form.)

Integer tens (20-90)

Add -ty after the corresponding word (except 20twenty, 30thirty, 40forty, 50fifty, 80eighty are special forms)

Dozens (21 —99)

Add a hyphen between tens and single digits, for example: twenty-one

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2. Ordinal word representation The order of things is often used with the definite article the.

1—5,

first, second, third, fourth, fifth

6—19

First, second, third To change all the others, add -th after the corresponding word (note: 9 is ninth)

20-90 (such as 20.30.40, etc.)

Remove -y and add -ieth

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21-99 (the ones digit is not 0)

Use cardinal numerals for the tens digit, ordinal numerals for the ones digit, and connect them with conjunctions