Grammar Rule in 30 Seconds
Use 'keuy' before a verb to indicate that you have experienced an action at least once in your life.
- Place 'keuy' before the main verb: 'Khoy keuy pai' (I have been there).
- Use 'bo keuy' for negative: 'Khoy bo keuy pai' (I have never been there).
- Use 'keuy... bo?' for questions: 'Jao keuy pai bo?' (Have you ever been there?).
Meanings
The particle 'keuy' marks an action as a past experience, signifying that the subject has performed the action at least once.
Life Experience
Indicates an event occurred at some point in the past.
“Khoy keuy pai Luang Prabang.”
“Nong keuy hen chang.”
Habitual Past
Used to describe a past habit that no longer exists.
“Khoy keuy pai wat thuk wan.”
“Mae keuy son phasa.”
Keuy Formation Table
| Type | Structure | Example |
|---|---|---|
| Affirmative | Subject + keuy + Verb | Khoy keuy pai |
| Negative | Subject + bo keuy + Verb | Khoy bo keuy pai |
| Question | Subject + keuy + Verb + bo? | Jao keuy pai bo? |
| Short Yes | Keuy | Keuy |
| Short No | Bo keuy | Bo keuy |
Reference Table
| Form | Structure | Example |
|---|---|---|
| Affirmative | S + keuy + V | Khoy keuy kin |
| Negative | S + bo keuy + V | Khoy bo keuy kin |
| Question | S + keuy + V + bo? | Jao keuy kin bo? |
| Past Habit | S + keuy + V | Khoy keuy pai wat |
| Never | S + bo keuy + V | Khoy bo keuy pai |
| Short Answer | keuy/bo keuy | Keuy! |
Espectro de formalidade
Jao keuy pai Nakhon Luang Vientiane bo? (Travel)
Jao keuy pai Vientiane bo? (Travel)
Keuy pai Vientiane bo? (Travel)
Keuy pai Vientiane bor? (Travel)
Keuy Concept Map
Usage
- Life Experience Ever done
- Past Habit Used to
Negation
- bo keuy never
Examples by Level
Khoy keuy pai.
I have been there.
Khoy keuy kin.
I have eaten it.
Nong keuy hen.
Younger sibling has seen it.
Phor keuy pai.
Father has been there.
Jao keuy pai Luang Prabang bo?
Have you ever been to Luang Prabang?
Khoy bo keuy pai.
I have never been there.
Jao keuy kin a-han Lao bo?
Have you ever eaten Lao food?
Khoy keuy hean phasa Lao.
I have studied Lao language.
Khoy keuy pai wat thuk wan.
I used to go to the temple every day.
Mae keuy son phasa Lao.
Mom used to teach Lao language.
Khoy keuy pen dek noi thi ni.
I used to be a child here.
Jao keuy het ngan ni bo?
Have you ever done this work?
Khoy keuy hen khon ni ma kon.
I have seen this person before.
Daei, khoy keuy pai hup phap thi nan.
Yes, I have taken photos there.
Khoy bo keuy khit wa ja dai ma Lao.
I never thought I would come to Laos.
Jao keuy pai tang pathet bo?
Have you ever been abroad?
Khoy keuy mi ban yu thi ni.
I used to have a house here.
Khon Lao keuy mi watthanatham ni.
Lao people have had this culture.
Khoy bo keuy hen phai ngam pan ni.
I have never seen anyone as beautiful as this.
Jao keuy dai yin khao ni bo?
Have you ever heard this news?
Khoy keuy pen khon thi bo mi khwam man jai.
I used to be a person who lacked confidence.
Khoy keuy pai thiao thuk phak khong Lao.
I have traveled to every region of Laos.
Khon thi bo keuy pai ja bo hao.
People who have never been there won't understand.
Khoy keuy dai rap kan son thi di.
I have received good teaching.
Easily Confused
Both relate to the past.
Simple past is for specific times.
Keuy can mean 'used to'.
Erros comuns
Khoy pai keuy
Khoy keuy pai
Khoy keuy pai mue wan
Khoy pai mue wan
Jao keuy pai?
Jao keuy pai bo?
Khoy keuy kin a-han Lao mue wan
Khoy kin a-han Lao mue wan
Khoy bo pai keuy
Khoy bo keuy pai
Khoy keuy pai laew
Khoy keuy pai
Jao keuy pai laew bo?
Jao keuy pai bo?
Khoy keuy pai wat thuk wan mue wan
Khoy pai wat thuk wan mue wan
Khoy keuy pai 3 khrang
Khoy pai 3 khrang
Khoy keuy pai laew 2 khrang
Khoy pai 2 khrang
Khoy keuy pai nai adit
Khoy keuy pai
Khoy keuy pai muea 10 pi kon
Khoy pai muea 10 pi kon
Khoy keuy pai laew nai chiwit
Khoy keuy pai
Sentence Patterns
Khoy keuy ___.
Jao keuy ___ bo?
Khoy bo keuy ___.
Khoy keuy ___ thuk wan.
Real World Usage
Khoy keuy pai Luang Prabang.
Jao keuy kin som tum bo?
Khoy keuy het ngan ni.
Keuy pai!
Keuy pai bo?
Khoy keuy hean phasa Lao.
Keep it simple
No specific time
Use for habits
Be modest
Smart Tips
Use 'keuy' to sound more natural.
Use 'Keuy' or 'Bo keuy' for short answers.
Use 'keuy' to show it's in the past.
If it's an experience, 'keuy' is usually safe.
Pronúncia
Tone
Keuy has a mid-tone.
Question
Jao keuy pai bo? ↑
Rising intonation at the end for questions.
Memorize It
Mnemonic
Keuy is like a Key to your past memories.
Visual Association
Imagine a key opening a door to your past. Every time you say 'Keuy', you are unlocking a memory.
Rhyme
For things you've done, use 'keuy' for fun.
Story
I met a friend in Vientiane. I asked, 'Jao keuy pai Luang Prabang bo?' He said, 'Keuy!'. I said, 'Khoy bo keuy pai'. We decided to go together.
Word Web
Desafio
Write 3 sentences about things you have done in your life using 'keuy'.
Notas culturais
Lao speakers value modesty; sometimes 'bo keuy' is used to deflect praise.
Similar usage, but sometimes 'keuy' is pronounced slightly differently.
Highly similar to Thai 'khoei', but tone differences exist.
Derived from Proto-Tai roots indicating experience.
Conversation Starters
Jao keuy pai tang pathet bo?
Jao keuy kin a-han Lao bo?
Jao keuy het ngan ni bo?
Jao keuy pai wat Luang Prabang bo?
Journal Prompts
Test Yourself
Khoy ___ pai Luang Prabang.
Which is correct?
Find and fix the mistake:
Khoy keuy pai mue wan.
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
I have never been there.
Answer starts with: Kho...
Use 'kin' and 'keuy'.
Which particle for experience?
Match each item on the left with its pair on the right:
Score: /8
Exercicios praticos
8 exercisesKhoy ___ pai Luang Prabang.
Which is correct?
Find and fix the mistake:
Khoy keuy pai mue wan.
pai / keuy / Jao / bo / Luang Prabang / ?
I have never been there.
Use 'kin' and 'keuy'.
Which particle for experience?
Match 'bo keuy' to English.
Score: /8
Perguntas frequentes (8)
No, 'keuy' is for indefinite past experience, not specific times.
Yes, it can describe past habits that have stopped.
Add 'bo' before 'keuy'.
Yes, add 'bo' at the end.
It is neutral and used in all registers.
No, 'keuy' stays the same.
You can still use 'keuy' to mark the experience.
Yes, it is very similar to the Thai 'khoei'.
In Other Languages
Alguna vez / He + participio
Lao doesn't conjugate the verb.
Déjà
Lao is an aspect marker, not an adverb.
Schon mal
Lao is a particle, German is a phrase.
Koto ga aru
Word order is reversed.
Qad + past tense
Lao is strictly for experience.
Ceng jing
Lao 'keuy' is more versatile.