꼭 기억할 핵심

장소를 그려보세요: 둘러싸인 공간은 in, 표면과 타는 노선은 on, 문·역·주소 같은 점은 at.

햇살 가득한 카페 테이블에서 커피를 마시며 이야기하는 두 친구의 수채화
맥락이 있으면 의미가 잘 보입니다.

01in: inside something

Use in when you are enclosed or surrounded: in the room, in the box, in Shanghai, in the car. Cities, countries, and rooms are all containers you are inside of. If you can be surrounded by it, in is usually your word.

He lives in Beijing.

in + city / country / room

He lives in Beijing.

Cities and countries are containers: in Beijing, in France.

02on: touching a surface

Use on for surfaces that hold you up or that you touch: on the table, on the wall, on the floor. Streets behave like surfaces too — on Main Street — and so do vehicles you step onto and ride: on the bus, on the train, on the plane, on a bike. Think contact plus support.

The cat is sleeping on the sofa.

on + surface

The cat is sleeping on the sofa.

The sofa surface supports the cat, so use on.

03at: a point on the map

Use at for points: addresses treated as points, entrances, counters, and stations. At 12 Main Street, at the door, at the station, at home, at school — you are naming a spot, not describing the inside of a building. Events work the same way: at a concert, at a meeting.

Addresses show the zoom levels nicely: she lives at 12 Main Street (the point), on Main Street (the line), in Boston (the area). Same person, three framings. Before memorizing one answer, ask how the speaker is picturing the place.

I will wait for you at the entrance.

at + point / entrance

I will wait for you at the entrance.

An entrance is a meeting point, so use at.

04Small cars, big vehicles

Here is the transport split learners ask about most: get in a car or taxi, but get on a bus, train, or plane. Small private cars enclose you, so they take in; large public vehicles are surfaces you board, so they take on. The same logic gives in a taxi but on the subway.

이제 당신 차례

연결해 보세요.

고르기 전에 상황을 먼저 읽으세요. 이유가 답만큼 중요합니다.

The picture touches the wall surface.
확인 문제 1

The picture hangs ? the wall.

The picture touches the wall surface.

전치사를 고르고 이유를 확인하세요.

답과 해설 보기

on · Walls are surfaces: on the wall.

Name the airport as a point.
확인 문제 2

They arrived ? the airport an hour early.

Name the airport as a point.

전치사를 고르고 이유를 확인하세요.

답과 해설 보기

at · Airports as points take at; the city would take in.

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