C1 Morphology 1 min read Moyen

Grammar Rule in 30 Seconds

Lao builds complex meaning by combining simple roots or using prefixes like 'ka-' and 'bo-' to shift word categories.

  • Compounding: Combine two nouns to create a new concept (e.g., 'kin' + 'khao' = 'kinkhao' / eat).
  • Prefixation: Use 'ka-' to turn verbs into nouns or abstract concepts.
  • Reduplication: Repeat a word to intensify meaning or create plural forms (e.g., 'di' -> 'di-di').
Root A + Root B = New Concept | Prefix + Root = Category Shift

Meanings

The process of creating new words through compounding, prefixation, and reduplication to expand vocabulary.

1

Compounding

Joining two distinct roots to form a single semantic unit.

“ໂຮງຮຽນ (hong-hian) - School”

“ນ້ຳກ້ອນ (nam-kon) - Ice”

2

Nominalization

Using 'ການ' (kan) or 'ຄວາມ' (khwam) to turn verbs/adjectives into nouns.

“ການກິນ (kan-kin) - Eating”

“ຄວາມຮັກ (khwam-hak) - Love”

3

Reduplication

Repeating a word to indicate plurality, intensity, or variety.

“ດີໆ (di-di) - Very good”

“ໄວໆ (wai-wai) - Quickly”

Nominalization Patterns

Root Type Prefix Result Example
Verb ການ (kan) Action Noun ການຮຽນ (Learning)
Adjective ຄວາມ (khwam) Abstract Noun ຄວາມດີ (Goodness)
Noun Compound New Concept ໂຮງຮຽນ (School)
Adjective Reduplication Intensity ດີໆ (Very good)
Verb Reduplication Frequency ໄປໆມາໆ (Coming and going)
Noun Compound Specific Item ນ້ຳກ້ອນ (Ice)

Reference Table

Reference table for Word Formation
Form Structure Example
Affirmative Prefix + Root ການຮຽນ
Negative Prefix + bo + Root ບໍ່ແມ່ນການຮຽນ
Question Prefix + Root + bo? ແມ່ນການຮຽນບໍ່?
Compound Noun + Noun ລົດໄຟ
Intensifier Root + Root ໄວໆ
Abstract Khwam + Adj ຄວາມສຸກ

Spectre de formalité

Formel
ການສຶກສາຮ່ຳຮຽນ

ການສຶກສາຮ່ຳຮຽນ (Education)

Neutre
ການຮຽນ

ການຮຽນ (Education)

Informel
ຮຽນ

ຮຽນ (Education)

Argot
ຮຽນໆ

ຮຽນໆ (Education)

Lao Word Formation Map

Root Word

Prefixes

  • ການ Action
  • ຄວາມ State

Compounds

  • ໂຮງຮຽນ School
  • ນ້ຳກ້ອນ Ice

Examples by Level

1

ນີ້ແມ່ນໂຮງຮຽນ.

This is a school.

2

ຂ້ອຍມັກກິນເຂົ້າ.

I like to eat rice.

3

ໄປໂຮງໝໍ.

Go to the hospital.

4

ນ້ຳກ້ອນເຢັນ.

The ice is cold.

1

ການຮຽນພາສາລາວມ່ວນ.

Learning Lao is fun.

2

ຄວາມຮັກແມ່ນສິ່ງທີ່ດີ.

Love is a good thing.

3

ລາວເວົ້າໄວໆ.

He speaks very quickly.

4

ການເຮັດວຽກໜັກ.

Working hard.

1

ຄວາມສຸກຂອງຂ້ອຍຄືການທ່ອງທ່ຽວ.

My happiness is traveling.

2

ເຂົາເຈົ້າເຮັດວຽກດີໆ.

They do very good work.

3

ການພັດທະນາປະເທດ.

The development of the country.

4

ຄວາມຄິດເຫັນຂອງຂ້ອຍ.

My opinion.

1

ການນຳໃຊ້ເຕັກໂນໂລຊີ.

The use of technology.

2

ຄວາມເຂົ້າໃຈຜິດ.

A misunderstanding.

3

ລົດໄຟຟ້າຄວາມໄວສູງ.

High-speed electric train.

4

ການສື່ສານທີ່ມີປະສິດທິພາບ.

Effective communication.

1

ການວິເຄາະສະຖານະການ.

The analysis of the situation.

2

ຄວາມຮັບຜິດຊອບຕໍ່ສັງຄົມ.

Social responsibility.

3

ການປ່ຽນແປງທາງດ້ານເສດຖະກິດ.

Economic changes.

4

ຄວາມເປັນໄປໄດ້ຂອງໂຄງການ.

The feasibility of the project.

1

ການສະທ້ອນໃຫ້ເຫັນເຖິງວັດທະນະທຳ.

Reflecting on the culture.

2

ຄວາມຫຼາກຫຼາຍທາງດ້ານພາສາ.

Linguistic diversity.

3

ການປະຕິບັດຕາມລະບຽບການ.

Compliance with regulations.

4

ຄວາມເລິກເຊິ່ງຂອງບົດກະວີ.

The depth of the poem.

Easily Confused

Word Formation vs Kan vs Khwam

Learners mix up action vs state.

Word Formation vs Compounding vs Phrases

Learners try to compound everything.

Word Formation vs Reduplication vs Plurality

Learners think reduplication is only for plural.

Erreurs courantes

ການດີ

ຄວາມດີ

Kan is for verbs, not adjectives.

ຄວາມກິນ

ການກິນ

Khwam is for states, not physical actions.

ໂຮງຮຽນຮຽນ

ໂຮງຮຽນ

Reduplication is not for compounding.

ການສຸກ

ຄວາມສຸກ

Happiness is a state.

ການຮັກ

ຄວາມຮັກ

Love is a state of being.

ຄວາມໄປ

ການໄປ

Going is an action.

ນ້ຳກ້ອນກ້ອນ

ນ້ຳກ້ອນ

Do not repeat compound parts.

ການເຂົ້າໃຈ

ຄວາມເຂົ້າໃຈ

Understanding is a mental state.

ຄວາມເຮັດ

ການເຮັດ

Doing is a physical action.

ການໄວ

ຄວາມໄວ

Speed is an abstract quality.

ການຄວາມສຸກ

ຄວາມສຸກ

Double prefixing is incorrect.

ຄວາມການຮຽນ

ການຮຽນ

Incorrect prefix choice.

ການສວຍງາມ

ຄວາມສວຍງາມ

Beauty is a state.

ຄວາມການເຮັດ

ການເຮັດ

Redundant prefixing.

Sentence Patterns

ການ ___ ແມ່ນສິ່ງທີ່ດີ.

ຄວາມ ___ ຂອງລາວສູງຫຼາຍ.

ຂ້ອຍມັກໄປ ___.

ລາວເວົ້າ ___.

Real World Usage

Social Media constant

ຮັກໆ!

Texting very common

ໄວໆເດີ້

Job Interview common

ການເຮັດວຽກເປັນທີມ

Travel common

ໂຮງແຮມຢູ່ໃສ?

Food Delivery very common

ການສັ່ງອາຫານ

Academic Writing common

ຄວາມຮັບຜິດຊອບ

💡

Think in parts

Break unknown words into roots.
⚠️

Prefix check

Don't mix 'kan' and 'khwam'.
🎯

Context clues

Use the surrounding sentence to guess the noun type.
💬

Be polite

Use formal nominalization in professional settings.

Smart Tips

Add 'kan' before the verb.

ຂ້ອຍຮຽນ. ການຮຽນແມ່ນສິ່ງທີ່ດີ.

Add 'khwam' before the adjective.

ຂ້ອຍສຸກ. ຄວາມສຸກແມ່ນສິ່ງທີ່ດີ.

Repeat the adjective.

ມັນດີ. ມັນດີໆ.

Combine two known nouns.

ລົດ ແລະ ໄຟ. ລົດໄຟ.

Prononciation

di-di (mid-mid -> high-high)

Tone change

Reduplicated words often shift to a higher tone for emphasis.

Emphasis

ໄວໆ! (Quickly!)

Rising pitch at the end for urgency.

Memorize It

Mnemonic

Kan is for doing (actions), Khwam is for being (states).

Visual Association

Imagine a person running (Kan) and a person thinking (Khwam).

Rhyme

Kan for the action, Khwam for the state, combine the roots to make it great.

Story

Somchai loves 'kan-hian' (learning). He finds 'khwam-suk' (happiness) in his books. He goes to 'hong-hian' (school) every day.

Word Web

ການຄວາມໂຮງນ້ຳຮຽນດີໄວ

Défi

Write 5 sentences using 'kan' and 5 using 'khwam' in 5 minutes.

Notes culturelles

Uses more formal compounds in business.

Slightly different compound preferences.

More frequent use of reduplication for emphasis.

Derived from Proto-Tai roots.

Conversation Starters

ເຈົ້າມັກການຮຽນຫຍັງ?

ຄວາມສຸກຂອງເຈົ້າແມ່ນຫຍັງ?

ເຈົ້າຄິດແນວໃດກ່ຽວກັບການພັດທະນາເມືອງ?

ຄວາມເປັນໄປໄດ້ຂອງໂຄງການນີ້ແມ່ນຫຍັງ?

Journal Prompts

Write about your daily routine using 'kan'.
Describe your feelings using 'khwam'.
Discuss a local issue using compounds.
Analyze a complex topic using advanced nominalization.

Test Yourself

Fill in the blank with 'kan' or 'khwam'.

___ ຮຽນແມ່ນສິ່ງທີ່ດີ.

✓ Correct! ✗ Not quite. Correct answer: ການ
Learning is an action.
Choose the correct compound. Choix multiple

What is school in Lao?

✓ Correct! ✗ Not quite. Correct answer: ໂຮງຮຽນ
School is 'hong-hian'.
Fix the error. Error Correction

Find and fix the mistake:

ການດີ

✓ Correct! ✗ Not quite. Correct answer: ຄວາມດີ
Goodness is a state.
Build a sentence. Sentence Building

Use 'ໄວໆ' in a sentence.

✓ Correct! ✗ Not quite. Correct answer: ລາວເວົ້າໄວໆ
Adverbial reduplication follows the verb.
Match the prefix to the type. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: kan:action, khwam:state
Standard usage.
Transform the verb to a noun. Sentence Transformation

Transform 'ຮັກ' (love).

✓ Correct! ✗ Not quite. Correct answer: ຄວາມຮັກ
Love is a state.
Is this true? True False Rule

Can you use 'kan' with an adjective?

✓ Correct! ✗ Not quite. Correct answer: False
Kan is for actions.
Complete the dialogue. Dialogue Completion

A: ເຈົ້າເຮັດຫຍັງ? B: ___.

✓ Correct! ✗ Not quite. Correct answer: ການຮຽນ
Answering what you are doing.

Score: /8

Exercices pratiques

8 exercises
Fill in the blank with 'kan' or 'khwam'.

___ ຮຽນແມ່ນສິ່ງທີ່ດີ.

✓ Correct! ✗ Not quite. Correct answer: ການ
Learning is an action.
Choose the correct compound. Choix multiple

What is school in Lao?

✓ Correct! ✗ Not quite. Correct answer: ໂຮງຮຽນ
School is 'hong-hian'.
Fix the error. Error Correction

Find and fix the mistake:

ການດີ

✓ Correct! ✗ Not quite. Correct answer: ຄວາມດີ
Goodness is a state.
Build a sentence. Sentence Building

Use 'ໄວໆ' in a sentence.

✓ Correct! ✗ Not quite. Correct answer: ລາວເວົ້າໄວໆ
Adverbial reduplication follows the verb.
Match the prefix to the type. Match Pairs

Match 'kan' and 'khwam'.

✓ Correct! ✗ Not quite. Correct answer: kan:action, khwam:state
Standard usage.
Transform the verb to a noun. Sentence Transformation

Transform 'ຮັກ' (love).

✓ Correct! ✗ Not quite. Correct answer: ຄວາມຮັກ
Love is a state.
Is this true? True False Rule

Can you use 'kan' with an adjective?

✓ Correct! ✗ Not quite. Correct answer: False
Kan is for actions.
Complete the dialogue. Dialogue Completion

A: ເຈົ້າເຮັດຫຍັງ? B: ___.

✓ Correct! ✗ Not quite. Correct answer: ການຮຽນ
Answering what you are doing.

Score: /8

FAQ (8)

Use 'kan' for physical actions and 'khwam' for abstract states.

Yes, if the meaning is clear, but check with a native speaker.

For intensity or variety.

It is logical and consistent once you learn the prefixes.

Some words are fixed and don't follow the rules.

Use 'kan' and 'khwam' correctly.

Very similar, but check specific Lao usage.

Write daily journals using these patterns.

In Other Languages

Spanish partial

Infinitives as nouns

Lao requires a prefix particle.

French partial

Nominalization with -age

Prefix vs Suffix.

German high

Compound nouns

German compounds are written as one word; Lao often keeps spaces.

Japanese high

Kanji compounds

Script vs Phonetic roots.

Arabic low

Root-pattern system

Internal change vs External addition.

Chinese high

Compounding

Tone usage.

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