Part of Speech

Japanese words can be classified into parts of speech according to their properties.

There are 10 parts of speech in Japanese: verb, i-adjective, na-adjective, noun, adverb, pre-noun adjectival, conjunction, interjection, auxiliary verb and postpositional particle.

This page explains the parts of speech in Japanese.

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Verb

A verb is a part of speech that expresses an action or existence.

The ending of the verb changes depending on the word that follows it and the role of the verb in the sentence.

In the basic form of the verb with the unchanged ending, the vowel of the last character is “ใ†”.

There are two types of verbs: intransitive verb and transitive verb. A verb that doesn’t require an object is an intransitive verb. A verb that requires an object is a transitive verb.

Intransitive Verb

An intransitive verb is a verb that does not require an object. The meaning can be understood by the intransitive verb alone.

ๆณณใŠใ‚ˆใ

่ตฐใฏใ—ใ‚‹

ๅ…ฅใฏใ„ใ‚‹

็ฌ‘ใ‚ใ‚‰ใ†

่ฝใŠใกใ‚‹

Transitive Verb

A transitive verb is a verb that requires an object. The object “ใ€‡ใ€‡ใ‚’” is placed before the verb.

๏ผˆใ”้ฃฏใฏใ‚“ใ‚’๏ผ‰ใ€€ใ€€้ฃŸใŸในใ‚‹

๏ผˆใŠ่Œถใกใ‚ƒใ‚’๏ผ‰ใ€€ใ€€้ฃฒใฎใ‚€

๏ผˆ่ถฃๅ‘ณใ—ใ‚…ใฟใ‚’๏ผ‰ใ€€ใ€€่ฉฑใฏใชใ™

๏ผˆๆ•™็ง‘ๆ›ธใใ‚‡ใ†ใ‹ใ—ใ‚‡ใ‚’๏ผ‰ใ€€ใ€€ๅฟ˜ใ‚ใ™ใ‚Œใ‚‹

๏ผˆๆœฌใปใ‚“ใ‚’๏ผ‰ใ€€ใ€€่ชญใ‚ˆใ‚€

I-adjective

An i-adjective is a part of speech that expresses a property or a state.

The ending of the i-adjective changes depending on the word that follows it and the role of the i-adjective in the sentence.

In the basic form of the i-adjective with the unchanged ending, the last character is “ใ„”.

ๆ—ฉใฏใ‚„ใ„

่ตคใ‚ใ‹ใ„

ๅผทใคใ‚ˆใ„

้ซ˜ใŸใ‹ใ„

้•ทใชใŒใ„

Na-adjective

A na-adjective is a part of speech that expresses a property or a state.

The ending of the na-adjective changes depending on the word that follows it and the role of the na-adjective in the sentence.

In the basic form of the na-adjective with the unchanged ending, the last character is “ใช”.

็ถบ้บ—ใใ‚Œใ„ใช

ๆœ‰ๅใ‚†ใ†ใ‚ใ„ใช

ๅ…ƒๆฐ—ใ’ใ‚“ใใช

่ฆชๅˆ‡ใ—ใ‚“ใ›ใคใช

ๅฑ้™บใใ‘ใ‚“ใช

Noun

A noun is a part of speech that describes a person or a thing.

There are a common noun that refers to a person or a thing in general, a proper noun that refers to a specific person or a thing, a numeral that indicates the quantity or the order of people or things, a formal noun that turns a sentence into a noun, and a pronoun that refers to a person or a thing without using a common noun or a proper noun.

Common Noun

A common noun is a noun that refers to a person or a thing in general.

ๆœฌใปใ‚“

้›ป่ปŠใงใ‚“ใ—ใ‚ƒ

ๅญฆๆ กใŒใฃใ“ใ†

ใŠๆฏใ‹ใ‚ใ•ใ‚“

ไป•ไบ‹ใ—ใ”ใจ

Proper Noun

A proper noun is a noun that refers to a specific person or thing.

ๆ—ฅๆœฌใซใปใ‚“

ๅฏŒๅฃซๅฑฑใตใ˜ใ•ใ‚“

ไฝ่—คใ•ใจใ†ๅ…ˆ็”Ÿใ›ใ‚“ใ›ใ„

ๆ—ฅๆœฌใซใฃใฝใ‚“้Š€่กŒใŽใ‚“ใ“ใ†

ๆฑไบฌใจใ†ใใ‚‡ใ†ใ‚ฟใƒฏใƒผ

Numeral

A numeral is a noun that indicates the quantity or the order of people or things.

๏ผ‘ๅ€‹ใ“

๏ผ’ๅ›žใ‹ใ„

๏ผ“ไบบใซใ‚“

๏ผ”็•ชใฐใ‚“

๏ผ•ๆ‰ใ•ใ„

Formal Noun

A formal noun is a noun that turns a sentence into a noun.

๏ผˆ้ฃŸใŸในใ‚‹๏ผ‰ใ€€ใ€€ใ“ใจ

๏ผˆ้ฃฒใฎใ‚€๏ผ‰ใ€€ใ€€ใฏใš

๏ผˆ่ฉฑใฏใชใ™๏ผ‰ใ€€ใ€€ใจใŠใ‚Š

๏ผˆๅฟ˜ใ‚ใ™ใ‚Œใ‚‹๏ผ‰ใ€€ใ€€ใŸใ‚

๏ผˆ่ชญใ‚ˆใ‚€๏ผ‰ใ€€ใ€€ใคใ‚‚ใ‚Š

Pronoun

A pronoun is a noun that refers to a person or a thing without using a common noun or a proper noun.

็งใ‚ใŸใ—

ใ‚ใชใŸ

ๅฝผใ‹ใ‚Œ

ใ“ใ“

ใใ“

Adverb

An adverb is a part of speech that modifies a verb, an i-adjective, a na-adjective or another adverb.

There are a stative adverb that expresses the state of an action, a degree adverb that expresses the degree of a state, and a declarative adverb that determines the predicate.

Stative Adverb

A stative adverb is an adverb that expresses the state of an action.

The Stative adverb comes before a verb.

ใ™ใใซใ€€ใ€€๏ผˆๅธฐใ‹ใˆใ‚‹๏ผ‰

ใ‚†ใฃใใ‚Šใ€€ใ€€๏ผˆๆญฉใ‚ใ‚‹ใ๏ผ‰

ใฏใฃใใ‚Šใ€€ใ€€๏ผˆ่จ€ใ„ใ†๏ผ‰

ใฉใใฉใใ€€ใ€€๏ผˆ่ฉฑใฏใชใ™๏ผ‰

ใ—ใฐใ‚‰ใใ€€ใ€€๏ผˆๅฏใญใ‚‹๏ผ‰

Degree Adverb

A degree adverb is an adverb that expresses the degree of a state.

The degree adverb comes before a verb, an i-adjective or a na-adjective.

ๅฐ‘ใ™ใ“ใ—ใ€€ใ€€๏ผˆๆญฉใ‚ใ‚‹ใ๏ผ‰

ใ‹ใชใ‚Šใ€€ใ€€๏ผˆๅ„ชใ‚„ใ•ใ—ใ„๏ผ‰

ใ ใ„ใถใ€€ใ€€๏ผˆๆ—ฉใฏใ‚„ใ„๏ผ‰

ใจใฆใ‚‚ใ€€ใ€€๏ผˆ็ถบ้บ—ใใ‚Œใ„ใช๏ผ‰

ใกใ‚‡ใฃใจใ€€ใ€€๏ผˆ้™ใ—ใšใ‹ใช๏ผ‰

Declarative Adverb

A declarative adverb is an adverb that determines a predicate.

For example, the predicate of a sentence containing the declarative adverb “ๆฑบใ‘ใฃใ—ใฆ” is “โ—ฏโ—ฏใ—ใชใ„”.

ๆฑบใ‘ใฃใ—ใฆใ€€ใ€€๏ผˆ่ฉฑใฏใชใ•ใชใ„๏ผ‰

ใ‚ใˆใฆใ€€ใ€€๏ผˆๅฏใญใชใ„๏ผ‰

ใพใ‚‹ใงใ€€ใ€€๏ผˆๅคขใ‚†ใ‚ใฎใ‚ˆใ†ใ ๏ผ‰โ€ƒ

ใ‚‚ใ—ใ€€ใ€€๏ผˆๅƒใฏใŸใ‚‰ใใชใ‚‰๏ผ‰

ๅฟ…ใ‹ใชใ‚‰ใšใ€€ใ€€๏ผˆๅ‹‰ๅผทในใ‚“ใใ‚‡ใ†ใ™ใ‚‹๏ผ‰

Pre-noun Adjectival

A pre-noun adjectival is a part of speech that modifies a noun.

Adding pre-noun adjectival to a noun makes the meaning of the noun clearer.

ใ‚ใฎใ€€ใ€€๏ผˆไบบใฒใจ๏ผ‰

ใ“ใฎใ€€ใ€€๏ผˆๆœจใ๏ผ‰

ๅคงใŠใŠใใชใ€€ใ€€๏ผˆๅฎถใ„ใˆ๏ผ‰

ใ‚ใ‚‰ใ‚†ใ‚‹ใ€€ใ€€๏ผˆ่ปŠใใ‚‹ใพ๏ผ‰

ใ„ใ‚ใ‚“ใชใ€€ใ€€๏ผˆ่‰ฒใ„ใ‚๏ผ‰

Conjunction

A conjunction is a part of speech that appears at the beginning of a sentence and connects the previous sentence with the following sentence.

The Conjunction makes the relationship between the previous sentence and the following sentence clear.

๏ผˆ้›จใ‚ใ‚ใŒ้™ใตใฃใฆใ„ใพใ™ใ€‚๏ผ‰ใ€€ใ€€ใ ใ‹ใ‚‰ใ€€ใ€€๏ผˆๅฎถใ„ใˆใซใ„ใพใ™ใ€‚๏ผ‰

๏ผˆ้›จใ‚ใ‚ใŒ้™ใตใฃใฆใ„ใพใ™ใ€‚๏ผ‰ใ€€ใ€€ใ—ใ‹ใ—ใ€€ใ€€๏ผˆๅค–ใใจใซใ„ใใพใ™ใ€‚๏ผ‰

๏ผˆ้›จใ‚ใ‚ใŒ้™ใตใฃใฆใ„ใพใ™ใ€‚๏ผ‰ใ€€ใ€€ใใ—ใฆใ€€ใ€€๏ผˆ้ขจใ‹ใœใŒๅนใตใ„ใฆใ„ใพใ™ใ€‚๏ผ‰

๏ผˆ้›จใ‚ใ‚ใŒ้™ใตใฃใฆใ„ใพใ™ใ€‚๏ผ‰ใ€€ใ€€ใชใœใชใ‚‰ใ€€ใ€€๏ผˆ๏ผ–ๆœˆใŒใคใ ใ‹ใ‚‰ใงใ™ใ€‚๏ผ‰

๏ผˆ้›จใ‚ใ‚ใŒ้™ใตใฃใฆใ„ใพใ™ใ€‚๏ผ‰ใ€€ใ€€ไธ€ๆ–นใ„ใฃใฝใ†ใ€€ใ€€๏ผˆ้ขจใ‹ใœใฏๅนใตใ„ใฆใ„ใพใ›ใ‚“ใ€‚๏ผ‰

Interjection

An interjection is a part of speech that expresses a response, emotion, an appeal, a greeting, a shout, etc.

ใฏใ„

ใˆใฃ

ใ‚ใฎใ†

ใŠใฏใ‚ˆใ†

ใ‚ˆใ„ใ—ใ‚‡

Auxiliary Verb

An auxiliary verb is a part of speech that goes after another word and adds meaning to the other word.

The ending of the auxiliary verb changes depending on the word that follows it and the role of the auxiliary verb in the sentence.

๏ผˆ่ฉฑใฏใชใ—๏ผ‰ใ€€ใ€€ใพใ›ใ‚“

๏ผˆ่ฉฑใฏใชใ—๏ผ‰ใ€€ใ€€ใพใ™

๏ผˆ่ฉฑใฏใชใ—๏ผ‰ใ€€ใ€€ใพใ—ใŸ

๏ผˆ็ถบ้บ—ใใ‚Œใ„๏ผ‰ใ€€ใ€€ใงใ™

๏ผˆ็ถบ้บ—ใใ‚Œใ„๏ผ‰ใ€€ใ€€ใงใ—ใŸ

Postpositional Particle

A postpositional particle is a part of speech that goes after another word and adds meaning to the other word.

Unlike an auxiliary verb, a postpositional particle does not change at the end of the word.

๏ผˆ็งใ‚ใŸใ—๏ผ‰ใ€€ใ€€ใฏ

๏ผˆๅ‹้”ใจใ‚‚ใ ใก๏ผ‰ใ€€ใ€€ใจ

๏ผˆใŠ็ˆถใจใ†ใ•ใ‚“๏ผ‰ใ€€ใ€€ใฎ

๏ผˆใŠๆฏใ‹ใ‚ใ•ใ‚“๏ผ‰ใ€€ใ€€ใซ

๏ผˆๅ…ˆ็”Ÿใ›ใ‚“ใ›ใ„๏ผ‰ใ€€ใ€€ใ ใ‘

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