[Service termination notice]

Good morning. This is YBMNET.

As of April 19, 2021, this application inevitably terminates the service.
We apologize for any inconvenience this may cause.

We ask for your generous understanding of the difficulty of maintenance and repair after the end date,
We will do our best to repay you with better service in the future.

Thank you.

An encyclopedia of English grammar for anyone starting to learn TOEIC and English
YBM English Grammar Mastery is not enough to open English grammar applications.

Basic tantan!!! Review Tantan!!


1. Target: Middle and high school students or older, adults


2. Composition:
(1) 20 grammar categories, 161 video lectures
(2) Up to 15 sub-classes per 1 grammar class
(3) About 4 minutes per sub-class
(4) Provides 20 quizzes for each grammar category


3. Use: After connecting to Wifi or 3G, you can learn English grammar videos with streaming/download function. Can be stored without.)



******* This App connects to a wireless network during lecture streaming learning, so additional data charges may incur when connecting to a 3G network. **********



4. Features
(1) Integrated version of popular applications sold on the iTunes App Store
(2) It contains extensive lectures like an encyclopedia of English grammar, so it is effective in laying the foundation.
(3) You can fully learn without missing out through the script
(4) It is possible to review at once through a quiz


5. How to use
(1) The desired grammar is located in the center among a total of 20 major classification grammar lists shown in the cover flow at the top.
(2) A detailed grammar list is displayed at the bottom according to the selected major category.
(3) Touch the desired lecture list.
(4) Watch teacher Seon-wook Lee's lecture and check the related example sentences.
(5) If you understand grammar to some extent, check through Quiz.
(6) For a total of 20 grammars, 20 grammar tests consisting of short answer & multiple choice are provided.


6. Learning curriculum (total 20 Chapters / 161 lectures including outline)

[Contact] 010-8254-0918