[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"pubgrp:gr-prep-time:en:ja":3},{"type":4,"slug":5,"title":6,"level":7,"goal":8,"image_path":9,"is_locked":10,"is_daily_free":10,"formula":11,"gloss":15,"desc":16,"desc_audio":17,"voices":18,"examples":19,"fills":56,"choices":57},"grammar","gr-prep-time","時間の前置詞","elementary","시간 전치사 in \u002F on \u002F at — 영어가 시간을 바라보는 방식",null,false,[12,13,14],"at + 正確な時刻／特定の時点（点（點））","on + 特定の日付／曜日（面（面））","in + より広い期間：月・季節・年号・世紀（空間（空間））","時間前置詞 in \u002F on \u002F at — 英語が時間を見る方式","英語の時間前置詞は、**時間の「スケール」や「具体度」に基づいて使い分けられます**。日本語話者が難しく感じるのは、日本語に同等の区別がないからです。\n\n日本語では「に」一つで「朝に」「月曜日に」「3時に」すべてを表現できます。しかし英語では、時間の**範囲の大きさ**によって前置詞を変えるのです。`at`は**最も具体的で短い時間**（正確な一瞬）、`on`は**特定の日**、`in`は**より大きな時間の枠**を表します。\n\n**なぜこの区別があるのか？** 英語話者の思考では、時間を「点」「線」「面」で捉えます。`at`は時間の「点」（3時ちょうど）、`on`は時間の「日」という枠線、`in`は時間の「塊」（月全体、数時間という幅）です。日本語では時間表現が単純ですが、英語では時間の**粒度（きめの細かさ）**を正確に言い分ける文化があります。\n\n実例：`I sleep at 10 p.m.`（10時ちょうどに寝る＝具体的な時刻）vs. `I sleep in the morning`（朝という時間帯に＝大きな枠）。同じ「寝る」でも、時間の捉え方で前置詞が変わるのです。","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fexplain_audio\u002F7e966742-4650-4ec1-a068-0cf3b41077b3.mp3",[],[20,26,32,38,44,50],{"en":21,"ko":22,"ko_audio":23,"audio":24,"audios":25},"The meeting starts at 9 o'clock.","会議は9時に始まります。","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Fe4259bc3-8f81-497b-9464-2cf1aa59a06c.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F35bcb0b9-0096-40cd-9c2f-82017c8772de.mp3",{},{"en":27,"ko":28,"ko_audio":29,"audio":30,"audios":31},"She was born on March 15th.","彼女は3月15日に生まれました。","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F0e8ba446-e6b4-425f-b062-846f17a841d8.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fde50dcb2-eb76-4eee-a374-0515f48f80cf.mp3",{},{"en":33,"ko":34,"ko_audio":35,"audio":36,"audios":37},"We have English class on Mondays.","私たちは毎週月曜日に英語の授業があります。","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F0132cac1-bc6f-44a2-9df3-1025a92427c2.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fc46fc124-59d9-434b-93ae-605349cd1054.mp3",{},{"en":39,"ko":40,"ko_audio":41,"audio":42,"audios":43},"It is very cold in January.","1月はとても寒いです。","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F8c5404ac-6ed0-43ad-89f3-14a2a4559494.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fb4fe4b28-dc09-4855-a841-4144e5b3e18a.mp3",{},{"en":45,"ko":46,"ko_audio":47,"audio":48,"audios":49},"I always go hiking in autumn.","私は秋にいつもハイキングに行きます。","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F57d1b871-371f-4d49-ac78-45e865bd68a4.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fa604133e-2b11-4168-835e-fbfba1eae7f5.mp3",{},{"en":51,"ko":52,"ko_audio":53,"audio":54,"audios":55},"She graduated from university in 2022.","彼女は2022年に大学を卒業しました。","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F61b3a71c-177c-4b54-a92d-0c2ca9183d77.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fdda26266-13f3-4b33-b1fa-ab6b6115e9b7.mp3",{},[],[58,70,81],{"ko":59,"options":60},"다음 중 올바른 문장은 무엇인가요?",[61,64,66,68],{"t":62,"ok":63},"I wake up at 7 a.m. every day.",true,{"t":65,"ok":10},"I wake up on 7 a.m. every day.",{"t":67,"ok":10},"I wake up in 7 a.m. every day.",{"t":69,"ok":10},"I wake up 7 a.m. every day.",{"ko":71,"options":72},"빈칸에 들어갈 알맞은 전치사를 고르세요: \"My birthday is ___ Friday this year.\"",[73,75,77,79],{"t":74,"ok":10},"at",{"t":76,"ok":10},"in",{"t":78,"ok":63},"on",{"t":80,"ok":10},"to",{"ko":82,"options":83},"영어의 시간 전치사 in \u002F on \u002F at 선택 기준으로 가장 올바른 설명은 무엇인가요?",[84,86,88,90],{"t":85,"ok":10},"동사의 종류에 따라 다르게 쓴다.",{"t":87,"ok":63},"시간 단위의 '크기(점→면→공간)'에 따라 다르게 쓴다.",{"t":89,"ok":10},"긍정문과 부정문에 따라 다르게 쓴다.",{"t":91,"ok":10},"한국어 '에'에 해당하므로 항상 at을 쓴다."]