Download English Grammar in Use.apk by Yusep Sugianto.
English Grammar In Use app is an education application of grammar key to check the correct use of grammar. This application is intended for people who are learning English. Type in the sentence you mean, and see the grammar theory through this English Grammar In Use. This Grammar key consists of 145 units and is grouped into 17 groups. This grammar key is based on the book English Grammar In Use by Raymond Murphy