Language Japanese Grammar - Part 3

By JREF · Oct 24, 2011 ·
  1. JREF
    Adjectives

    Japanese has two main classes of adjectives.

    • Pure adjectives (形容詞 keiyōshi, aka. i-type adjective): these are very similar to verbs, having roots and conjugating stem forms.
    • Adjectival nouns (形容動詞 keiyōdōshi, aka na-type adjective): these are grammatical nouns (though not necessarily legally possible as nouns) that are affixed with -na or-no to form the adjective.
    All pure adjectives except for いい (ii, good) have regular conjugations, and ii is irregular only in the fact that it is a corruption of the regular adjective 良い (yoi) which manifests itself in the conjugations. All adjectival nouns conjugate regularly.

    -Pure adjectives-Adjectival nouns
    -安・い (yasu.)い・い (i.)静か- (shizuka-)
    Attributive form 1

    (連体形 rentaikei)

    安い (.i)いい (.i)静かな (-na)
    Terminal form 1

    (終止形 shuushikei)

    安い (.i)いい (.i)静かだ (-da)
    Continuative form

    (連用形 ren'youkei)

    安く (.ku)良く (yo.ku)*静かで (-de)
    Imperfective form

    (未然形 mizenkei)

    安かろ (.karo)良かろ (yo.karo)*静かだろ (-daro)
    Hypothetical form

    (仮定形 kateikei)

    安けれ (.kere)良けれ (yo.kere)*静かなら (-nara)
    Imperative form 2

    (命令形 meireikei)

    安かれ (.kare)良かれ (yo.kare)静かなれ (-nare)
    1. The attributive and terminal forms were formerly 安き (.ki) and 安し (.shi), respectively; in modern Japanese these are used productively for stylistic reasons only, although many set phrases such as 名無し (nanashi, anonymous) and よし (yoshi, sometimes written yosh’, general positive interjection) derive from them.
    2. The imperative form is extremely rare in modern Japanese, restricted to set patterns like 遅かれ早かれ (osokare hayakare, sooner or later), where they are treated as adverbial phrases! It is impossible for an imperative form to be in a predicate position.

    Like verbs, we can enumerate some common conjugations of adjectives. Also, ii isn’t special-cased, because all conjugations are identical to yoi.

    -Pure adjectives 安い (yasui)-Adjectival nouns 静か (shizuka)-
    Plain polite nonpastterm. + copula です (desu)安いです

    yasui desu

    root + copula です (desu)静かです

    shizuka desu

    informal pastcont. + あった (atta)

    (u + a collapse)

    安かった

    yasuk.atta

    cont. + あった (atta)

    (e + a collapse)

    静かだった

    shizuka d.atta

    informal negative

    nonpast

    cont. + (は)ない ((wa) nai) 1安く(は)ない

    yasuku(wa)nai

    cont. + (は)ない ((wa) nai)静かで(は)ない

    shizuka de (wa) nai

    informal negative

    past

    cont. + (は)なかった ((wa)

    nakatta) 1

    安く(は)なかった

    yasuku(wa)nakatta

    cont. + (は)なかった ((wa) nakatta)静かで(は)なかった

    shizuka de (wa) nakatta

    polite negative

    nonpast

    inf. neg. non-past +

    copula です (desu) 1

    安くないです

    yasukunai desu

    inf. cont + (は)ありません

    ((wa) arimasen)

    静かではありません

    shizuka de wa arimasen

    polite negative

    past

    inf. neg. past + copula

    です (desu) 1

    安くなかったです

    yasukunakatta desu

    inf. cont + (は)ありませんでした

    ((wa) arimasen deshita)

    静かではありませんでした

    shizuka de wa

    arimasen deshita

    ---inf. neg. past + なかったです

    (nakatta desu) 1

    inf. neg. past + なかったです (nakatta desu) 1

    静かではなかったです

    shizuka de wa

    nakatta desu

    -te formcont. + て (te)安くて

    yasuku.te

    cont.静かで

    shizuka de

    conditional 2hyp. + ば (ba)安ければ

    yasukere.ba

    hyp. (+ ば (ba))静かなら(ば)

    shizuka nara(ba)

    provisional 2inf. past + ら (ra)安かったら

    yasukatta.ra

    inf. past + ら (ra)静かだったら

    shizuka datta.ra

    volitional 3imperf. + う (u)安かろう (yasukarō)imperf. + う (u)

    = root + だろう (darō)

    静かだろう

    (shizuka darō)

    adverbialcont.安く

    yasuku.

    root + に (ni)静かに

    shizuka ni

    degree (-ness)root + さ (sa)安さ

    yasu-sa

    root + sa静かさ

    shizuka-sa

    1. Note that these are just forms of the pure adjective ない (nai)
    2. See the note on hypothetical forms (Part 4).
    3. Since most adjectives describe non-volitional conditions, the volitional form is interpreted as “it is possible”, if sensible. In some rare cases it is semi-volitional: 良かろう (yokarō, OK (lit: let it be good)) in response to a report or request.
    Adjectives too are governed by euphonic rules in certain cases, as noted in the section on it below. For the polite negatives of adjectival nouns, see also the section below on the copula だ (da).

    Japanese Grammar Contents
    • Part 1: Textual classifications; nouns, pronouns, and other deictics
    • Part 2: Conjugable words: verbs
    • Part 3: Conjugable words: adjectives
    • Part 4: Conjugable words: the copula だ da
    • Part 5: Euphonic changes, colloquial contractions
    • Part 6: Adverbs, sound symbolism, conjunctions and interjections
    • Part 7: Particles
    • Part 8: Auxiliary verbs

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