Grammar: A2 - ⚙️ Verbs in Depth: 🎭 Modals (Introduction) - Lesson 3: Modal "could/couldn't" (Past ability - basic: When I was young, I could...)

Interactive English Lesson
Grammar A2
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Past Ability

សមត្ថភាពក្នុងអតីតកាល (Could / Couldn't)

"Could" is the past tense of "can". We use it to talk about things we were able to do in the past.

"Could" គឺជាទម្រង់អតីតកាលរបស់ "Can"។ យើងប្រើវាដើម្បីនិយាយអំពីអ្វីមួយដែលយើង "អាច" ធ្វើបានកាលពីមុន។

1. Affirmative (+)

ទម្រង់ស្រប (អាចធ្វើបាន)
I could climb trees.
ខ្ញុំអាចឡើងដើមឈើបាន (កាលពីមុន)។
She could speak Khmer.
នាងអាចនិយាយភាសាខ្មែរបាន។

2. Negative (-)

ទម្រង់បដិសេធ (មិនអាចធ្វើបាន)
I couldn't drive a car.
ខ្ញុំមិនអាចបើកឡានបានទេ។
He couldn't swim.
គាត់មិនអាចហែលទឹកបានទេ។

3. Question (?)

ទម្រង់សំណួរ (សួរពីសមត្ថភាព)
Could you read?
តើអ្នកអាចអានអក្សរបានទេ?
Could they sing?
តើពួកគេអាចច្រៀងបានទេ?
The "To" Trap!

Do NOT use "to" after could or couldn't!

(ប្រយ័ត្ន! ក្រោយ "could/couldn't" ត្រូវប្រើកិរិយាសព្ទដើមជានិច្ច ហាមប្រើ "to" ភ្ជាប់ឲ្យសោះ!)
I could to swim. ❌
I could swim. ✅

Quick Check ⚡

ការត្រួតពិនិត្យរហ័ស
Past Ability
When I was five, I ___ run very fast.
(កាលខ្ញុំអាយុ ៥ឆ្នាំ ខ្ញុំអាចរត់លឿនណាស់។)
GRAMMAR TRAP! ❌
I ___ speak English 10 years ago.
(ខ្ញុំមិនអាចនិយាយភាសាអង់គ្លេសទេកាលពី ១០ឆ្នាំមុន។)
Base Verb Rule
Could you ___ a bike?
(តើអ្នកអាចជិះកង់បានទេ?)
Question Form
___ you swim when you were little?
(តើអ្នកអាចហែលទឹកបានទេកាលនៅតូច?)
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Mission 🎯

អនុវត្តផ្ទាល់!
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Mission 🎯

អនុវត្តផ្ទាល់!

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តើអ្នកមានចម្ងល់មែនទេ? សួរគ្រូនៅទីនេះ!
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Recent Questions

V
Vireak 2 hours ago

Teacher, can we say "did could"? Like "I didn't could swim"?

Reply 👍 10
SP
Sopheak Pich Teacher 1 hour ago

No, Vireak! "Could" is a special word called a modal verb. It doesn't need help from "did". It makes its own negative: "couldn't" (could not). So, "I couldn't swim" is correct! ✨

B
Bopha 5 hours ago

What is the difference between "I didn't run" and "I couldn't run"?

Reply 👍 15
SP
Sopheak Pich Teacher 4 hours ago

Excellent question, Bopha!

"I didn't run" means you *chose* not to run (maybe you walked instead).

"I couldn't run" means you *had no ability* to run (maybe your leg hurt, or you were too tired). It was impossible! 🏃‍♀️❌

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