Katsuyo

い-adjective

細いほそい

hosoi

thin · N5

細い (ほそい, hosoi) — thin — is an -adjective: 細かった (past), 細くない (negative), 細くて (te-form), 細いです (polite).

It also means slender; fine.

How 細い conjugates · -adjective

Drop the final , then add the ending.

Every form is built on the stem . The one that isn't: the polite present, which is the whole word plus です.

dropsstem + ending
かったかったpast · It was slender. くないくないnegative · It isn't slender. くてくてte-form · It's slender and … ければければif · If it's slender, ... 細いです細いですpolite presentkeeps the い

Every -adjective works this way. The one exception is いい, which conjugates from its older form よい.

N5 N tags give the JLPT level at which the game starts quizzing a form.

PLAIN

FormConjugationAudio
present N5 細い ほそい hosoi
past N5 It was slender. 細かった ほそかった hosokatta
negative N5 It isn't slender. 細くない ほそくない hosokunai
te-form N5 It's slender and … 細くて ほそくて hosokute
past negative N4 It wasn't slender. 細くなかった ほそくなかった hosokunakatta
cond. ば N3 If it's slender, ... 細ければ ほそければ hosokereba
cond. たら N3 If it turns out slender, ... 細かったら ほそかったら hosokattara

POLITE

FormConjugationAudio
present N5 細いです ほそいです hosoidesu
past N5 It was slender. 細かったです ほそかったです hosokattadesu
negative N5 It isn't slender. 細くないです ほそくないです hosokunaidesu
past negative N4 It wasn't slender. 細くなかったです ほそくなかったです hosokunakattadesu