at Monday? in the table? on 2024? 介系詞是中文沒有的概念——台灣學生只能死背。但其實有規律。

為什麼是 Taiwanese 特有錯誤

中文的「在」一個字打遍天下：

  • 在星期一、在早上、在十二月、在桌上、在台北、在桌子旁邊

英文強制分三種：in / on / at。大小、具體程度不同。

鐵律 1：時間——範圍越大用 in，越小用 at

at (點)          on (日)           in (段/月/年)
──────────────────────────────────────────────
at 2pm           on Monday         in June
at noon          on July 4th       in 2024
at midnight      on my birthday    in the morning*
at the weekend   on Christmas Day  in summer
                                    in the 21st century

英式用 at the weekend，美式用 on the weekend。 例外：in the morning / afternoon / evening 但 at night。

鐵律 2：地點——點 at、面 on、立體空間 in

at (點 / 地址)         on (表面)           in (空間內)
────────────────────────────────────────────────────
at the bus stop        on the table        in the box
at 23 Main Street      on the wall         in the room
at the door            on the floor        in the car
at the corner          on the ceiling      in the water
at the airport         on page 5           in the city

汽車 vs 公車

  • in a car / taxi（小空間，你坐進去）
  • on a bus / train / plane / ship（大空間，可以在裡面走）

這是死背，沒道理可講。

鐵律 3：特殊慣用片語

| 英文 | 中文 | 常犯錯 | |------|------|-------| | at home / work / school | 在家/上班/上學 | ❌ in home ❌ in work | | in bed / in hospital | 在床上/住院中 | ❌ on bed ❌ at hospital | | on holiday / on the radio / on TV | 度假中/廣播上/電視上 | ❌ in holiday | | at night | 晚上 | ❌ in night | | in time vs on time | 來得及 / 準時 | 兩個意思不同 | | by accident / by mistake | 意外地 | ❌ in accident |

五個 ❌ vs ✅ 對比

| ❌ Wrong | ✅ Correct | |---------|-----------| | I was born in 15th of March. | I was born on the 15th of March. | | The meeting is at Monday. | The meeting is on Monday. | | She arrived on 9am. | She arrived at 9am. | | We stayed in home last night. | We stayed at home last night. | | The picture is in the wall. | The picture is on the wall. |

Quick Drill — 填入 in / on / at

  1. I'll see you ___ Friday ___ 3 o'clock.
  2. The book is ___ the shelf ___ the living room.
  3. She was born ___ 1998 ___ Taipei.
  4. We met ___ the cinema ___ Saturday night.
  5. He arrived ___ the airport ___ midnight.
  6. The cat is sleeping ___ the sofa.
  7. I saw him ___ the bus stop ___ yesterday morning.
  8. The book costs £15 ___ Amazon.
  9. We go hiking ___ the weekend.
  10. I usually study ___ night ___ my room.

Answer Key

| # | 答案 | |---|------| | 1 | on / at | | 2 | on / in | | 3 | in / in | | 4 | at / on | | 5 | at / at | | 6 | on | | 7 | at / ø (yesterday 不加介系詞) / in | | 8 | on (線上平台用 on) | | 9 | at (英式) / on (美式) | | 10 | at / in |

高頻扣分點：yesterday / today / tomorrow 不加介系詞

❌ I saw him on yesterday. ✅ I saw him yesterday.

❌ We will meet in tomorrow. ✅ We will meet tomorrow.

同理：last week, next month, this year, every day 前面都不加介系詞。

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