介系詞：at, on, in 文法整理

◎    時間

①     at + 明確的時間點或一天的某個時間（常用在較短的時間）

․    at seven o'clock, at 8pm, at 12:30

․    at night, at noon (= at twelve noon), at midnight (= at twelve midnight)

․    at breakfast time, at lunchtime, at dinnertime, at bedtime

․    at sunrise, at sunset

․    at the moment

․    at the beginning/end of the month

․    + 年齡：He got his first job at 25.

②    on

․    + 日期：on the Tenth of October, on the 10^th of October, on Oct 10th

․    + 星期幾：on Monday, on Wednesday, on Sundays

․    + 節日：on Christmas Day, on New Year's Eve, on my birthday

③     in

․    in the morning, in the afternoon, in the evening

․    + 週：in the final week of May.

․    + 月份：in December, in June

․    + 季節：in winter, in summer

․    + 年：in 1992, in 2006

․    + 十年：in the 1990s (in the Nineteen Nineties) = in the '90s

․    + 世紀：in the 19th (nineteenth) century, in the 20^th (twentieth) century

․    in the Ice Age, in the Middle Ages （西元5-15世紀） 

․ in the past/future

․    in + 一段時間：在「一段時間」之後 ── 與未來式連用。

• They will be back in two hours. 他們2小時後會回來。

※特定日子的早上、下午、晚上等用on

• in the morning → on Tuesday morning
• in the mornings → on Saturday mornings
• in the afternoon(s) → on Sunday afternoons
• in the evening(s) → on Monday evening(s)
• on Friday night, on a cold winter night, on a stormy night
• on the afternoon of that day = in the afternoon (on) that day
• on the afternoon of March 12 (twelfth) = on March 12th in the afternoon
• I drank coffee in the morning. → I drank coffee on the morning you arrived.

◎    地點

①   at + 點（一個地點與其附近週邊）

․    at the airport, at the bus stop, at the station

․    at the piano, at the desk, at the door, at the entrance

․    at the top/bottom, at the front/back

․    at the pub, at the movie theater (= at the movies), at the hospital, at the office*

․    at home, at work, at school, at university, at college

․    at the traffic lights, at the crossroads, at the corner, at the end of the road

․    + 地址：I live at 53 Raven St.

․    + 場合：at Jean's birthday party, at a concert

②    on + 線、面

․    on the wall, on the floor, on the 7th floor, on the ceiling, on the carpet, on the roof

․    on my face, on my wrist

․    on the shelf, on the top/bottom shelf, on the fourth shelf

․    on the page, on the menu, on the cover of the book, on the website

․    on Main Street, on 1st Avenue [ˋævə͵nju]

․    on the way to Kaohsiung

․    on a horse, on an elephant, on a bicycle, on a motorbike

․    on TV, on the radio

․    on the left, on the right

③   in + 體、區域

․    in a drawer, in the wardrobe, in a bottle, in a cup, in a box, in my pocket, in my wallet

․    in the newspaper, in a book

․    in London, in England - They live in Tokyo, Japan.

․    in a house, in a pub, in a building, in the classroom

․    in my stomach, in my mouth

․    in a river, in the sea, in the sky, in the air

․    in the garden, in the woods

․    in a lift (elevator)

․    in a row [ro]

▼      注意：

◆         英：at the weekend / 美：on the weekend

◆         at Christmas：聖誕節期間
◆         on Christmas：強調日子，例：on the first day of Christmas

• 同樣用法：at Easter / on Easter

◆         in/on +交通工具

in a car	on a bus
in a taxi	on a train
in a helicopter	on a plane
in a boat	on a ship

◆         in time 及時 - They were just in time for the bus.

◆         on time 準時 - Will the train arrive on time?