English grammar learning app created by English language education company English MumuEasy English grammarIf English Mumu makes it, the depth of the English app is also different.-Patented English learning system in 3 countries (Korea, China, Japan)-Acquired English education program certification from 5 domestic and foreign English academic societies-15 years know-how to operate a specialized academy for English education-Learning results proved by 800,000 cumulative membersBasic English grammar learning completed with a smartphone-English is a language whose roles and meanings vary depending on where the word is placed-Language structure different from Korean whose meaning varies depending on the survey-Easy English grammar provides easy and simple explanations and grammar concepts that do not exist in Korean.Learn the principles of English sentence construction with example sentences-Learn by directly marking the difference between Korean and English word order-Training to quickly switch between speaking and writing training through 3 quiz activities