"Learn English Grammar - Lessons and Tests" is one of PORO’s ongoing projects, designed with the purpose of giving helpful and easy tools for Language learners. This English grammar app covers all 163 grammar points using clear explanations, real-life examples, and many tests to help you practice English grammar. A unique feature that we are proud of is that we provide many tips to help you realize grammar points, distinguish between similar grammars and how to use them in real-life situations.