OkayStudy
EN English 한국어 日本語 中文 हिन्दी বাংলা اردو Español Português Français Deutsch Русский العربية Bahasa Indonesia Tiếng Việt ไทย Türkçe

How to enable notifications

Notifications are unavailable in this browser or on this address. Try a supported browser on the secure SONUB site.

If notifications are blocked, allow them in your browser settings.

  1. Open the site controls beside the address bar, or your browser’s site settings. Set Notifications for this site to Allow.
  2. In your device settings, allow notifications for your browser and check Do Not Disturb or Focus.
  3. Return to SONUB and reload the page. Once notifications are on, the bell disappears.

On iPhone or iPad, add SONUB to your Home Screen, open it there, then allow notifications.

English textbook AI Conversation My progress Member info Camera & Mic Check About OkayStudy Close
Basic Stage 1

Getting to know Hangul

Learn letters with consonants and vowels. Read each explanation and take the quiz to master Basic stage 1.

Log in

Consonants and vowels Done

In Hangul, consonants (ㄱ ㄴ ㄷ) and vowels (ㅏ ㅑ ㅓ) are put together to write one syllable. 가 = ㄱ + ㅏ!

Great! Let's move on.

Saving…

Your answer could not be saved. Please check your connection.

Log in to save your progress and get review reminders. Log in

Building a syllable Done

What is '가' made of?

Correct! 🎉 Not quite. 가 = consonant ㄱ + vowel ㅏ.

Saving…

Your answer could not be saved. Please check your connection.

Log in to save your progress and get review reminders. Log in

The 10 basic vowels Done

ㅏ(a) ㅑ(ya) ㅓ(eo) ㅕ(yeo) ㅗ(o) ㅛ(yo) ㅜ(u) ㅠ(yu) ㅡ(eu) ㅣ(i). Read them aloud.

Great! Let's move on.

Saving…

Your answer could not be saved. Please check your connection.

Log in to save your progress and get review reminders. Log in

Vowel sounds Done

What sound does the vowel 'ㅗ' make?

Correct! 🎉 Not quite. ㅗ makes the /o/ sound.

Saving…

Your answer could not be saved. Please check your connection.

Log in to save your progress and get review reminders. Log in

Basic consonants Done

ㄱ(g) ㄴ(n) ㄷ(d) ㄹ(r/l) ㅁ(m) ㅂ(b) ㅅ(s) ㅇ(silent at the start, ng as a ). Each letter has its own sound.

Great! Let's move on.

Saving…

Your answer could not be saved. Please check your connection.

Log in to save your progress and get review reminders. Log in

Finding the consonant Done

Which consonant makes the /m/ sound in '엄마' (eomma, mom)?

Correct! 🎉 Not quite. ㅁ makes the /m/ sound — the ㅁ in 엄마.

Saving…

Your answer could not be saved. Please check your connection.

Log in to save your progress and get review reminders. Log in

Choose a pending booking to cancel. Each cancellation requires confirmation.

Your :

Close

Confirm payment

Voice chat with Lyen Pick a language and a topic, then talk with Lyen by voice

Lyen speaks aloud in English · 한국어 · 日本語 · हिन्दी. In other languages she answers in text.

Voice chat with Lyen is for members. Sign up first, then start talking.