How to Use the Preposition in in English and Thai

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👁️visual learning 🇹🇭 example sentences ❌ ✅ common mistakes
📝 download free worksheets ⚔️ in vs on vs at

⬇️ in
🇹🇭 ใน (nai)
🇨🇳在…里 (zài…lǐ)

preposition IN

in a box

in the box

The ring is in the box.
🇹🇭 แหวนอยู่ ในกล่อง

in a tunnel

There is a car in the road tunnel
🇹🇭 มีรถอยู่ในอุโมงค์ถนน

in the park

The children are in the park
🇹🇭 เด็ก ๆ อยู่ ในสวนสาธารณะ
Children are playing in the park
🇹🇭 เด็กๆ เล่นอยู่ในสวน

How to use 'in' preposition

in Thailand, in Chiang Mai, in Asia
in the room, in the box, in the car
in the water, in the pool
in the park, in the forest

Example Sentences

My phone is in my bag.
- 🇹🇭 โทรศัพท์ของฉันอยู่ในกระเป๋า
- 🇨🇳 我的手机在包里
She lives in Bangkok.
- 🇹🇭 เธออาศัยอยู่ในกรุงเทพ
- 🇨🇳 她住在曼谷
The kids are playing in the garden.
- 🇹🇭 เด็กๆ กำลังเล่นอยู่ในสวน (dèk dèk gam-lang lên yòo nai sŭan)
- 🇨🇳 孩子们在花园里玩
There’s water in the glass.
- 🇹🇭 มีน้ำอยู่ในแก้ว
- 🇨🇳 杯子里有水
I studied in the library.
- 🇹🇭 ฉันอ่านหนังสือในห้องสมุด
- 🇨🇳 我在图书馆学习

Common Mistakes

❌ in the table ✅ on the table
❌ The book is in the table. ✅ The book is on the table.
❌ on the bed (sleeping) ✅ in bed
❌ I live in Sukhumvit Road. ✅ I live on Sukhumvit Road.
❌ inside the city ✅ in the city
❌ Meet me in the bus stop. ✅ Meet me at the bus stop.

Native Speakers

We say “in the car” because you’re inside
But we say “on the bus” because you are ‘on’ a journey with others
‘in 5 minutes’ or ‘in a dress’, are correct but are not ‘preposition of place’ uses of in.

Visual English Vocabulary

HOUSE WORDS IN ENGLISH

COLORS IN ENGLISH

NUMBERS IN ENGLISH

Practice Section

Coming soon: free worksheet & cheat sheet

Match 8 images to correct ‘in’ phrases
Fill gaps: “The coffee is ___ the cup”
Error correction: 5 sentences with wrong prepositions

🧠 Think: space → surface → dot

IN = inside

in the room
in the park
in the building

ON = surface

on the table
on the wall
on the floor

AT = point

at the door
at the bus stop
at the entrance

in vs on vs at

in
🇹🇭 ใน
🇨🇳 在…里

on
🇹🇭 บน
🇨🇳 在……上面

at
🇹🇭 ที่
🇨🇳 在

IN = inside

in the room
in the park
in the building

ON = surface

on the table
on the wall
on the floor

AT = point

at the door
at the bus stop
at the entrance

🧠 Think: space → surface → dot

Do NOT use in when:

You mean a surface (❌ in the table) → use on
You mean a specific point (❌ in the bus stop) → use at

Advanced

Real Life Use

I’m in a meeting right now.
She works in marketing.
He is in hospital this week.

Fixed Expressions Using 'In'

common expressions

related to place & position, but used without ‘the’

in bed
in town
in hospital

other uses

not related to place & position

in trouble
in hot water
in a hurry
in control

FAQ

What does “in” mean in English?
“In” means something is inside something else.

How do you use “in” correctly?
Use “in” when something is inside a space, like a room, box, or bag.

When do we use “in” and “on”?
Use “in” for inside spaces and “on” for surfaces.

What are 10 examples of “in”?
The book is in the bag. The cat is in the box. The keys are in my pocket. The milk is in the fridge. The clothes are in the closet. The pen is in the pencil case. The food is in the bowl. The toys are in the box. The water is in the glass. The money is in my wallet.

Do we use “in” for months and years?
Yes, we use “in” for months and years, like in January or in 2024.

Can we use “in” for places?
Yes, for areas like in a room, in a city, or in a country.

Is it correct to say “in the car”?
Yes, we say “in the car” when we are inside it.