Grammar: ✨ Grammar Essentials: ✏️ Writing Mechanics - Advanced (B2) - Lesson 1: Advanced Comma Usage (e.g., with non-defining clauses, appositives, complex series)

ESL Cambodia
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Advanced Commas

សញ្ញាក្បៀសកម្រិតខ្ពស់

Commas act like brackets ( ) when giving extra information.

នៅកម្រិត B2 យើងប្រើសញ្ញាក្បៀសដូចជារង្វង់ក្រចក ដើម្បីរុំព័ទ្ធព័ត៌មានបន្ថែម។
🧩 Extra Info Clauses
ឃ្លាបញ្ជាក់បន្ថែមដែលមិនសូវសំខាន់ (Non-defining Clauses)

If the sentence still makes sense without the information, put commas around it.

My brother, who lives in Tokyo, is a doctor.
(បងប្រុសរបស់ខ្ញុំ, ដែលរស់នៅទីក្រុងតូក្យូ, គឺជាគ្រូពេទ្យ។)
🏷️ Renaming Nouns
ការប្តូរឈ្មោះនាម (Appositives)

When you put a noun phrase right next to another noun to explain it, use commas.

Mr. Sok, the school principal, spoke to us.
(លោក សុខ, នាយកសាលា, បាននិយាយមកកាន់ពួកយើង។)
Phnom Penh, the capital city, is very busy.
🎬 Setting the Scene
ឃ្លាផ្តើមប្រយោគ (Introductory Phrases)

When you start a sentence with a long time/condition phrase, use a comma before the main subject.

After a long day at work, I just wanted to sleep.
(បន្ទាប់ពីធ្វើការពេញមួយថ្ងៃ, ខ្ញុំគ្រាន់តែចង់គេង។)
If it rains tomorrow, we will cancel the trip.
The Missing Twin Trap!

Commas in the middle come in PAIRS!

(ក្បៀសដែលរុំព័ទ្ធព័ត៌មានបន្ថែមនៅកណ្តាលប្រយោគ ត្រូវតែមានគូជានិច្ច! កុំភ្លេចសញ្ញាក្បៀសទី២!)
My boss, who is very strict is nice. ❌
My boss, who is very strict, is nice. ✔️

Be the Editor ✍️

ជ្រើសរើសប្រយោគដែលត្រឹមត្រូវ
Which sentence uses commas correctly?
Which sentence is correct?
Find the missing twin! 👯‍♂️

Mission 📝

បេសកកម្មសរសេរ 📝

Write like a Pro!

សរសេរចូលក្នុងសៀវភៅរបស់អ្នក៖

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