This application is a basic English grammar book for people who want to learn English grammar and have a basic knowledge of the language. It is a quick reference guide that will teach you all the parts of speech, how to use articles and how to combine words to make sentences. It is written in simple English and is very easy to understand. This application is very useful for people who want to improve their English grammar skills. 

The app contains many exercises to test your grammar and word skills. You can choose from different exercises to practice. The app also has a very nice and easy-to-use interface, so you can navigate very easily. There are many different lessons and activities that you can choose from. You can easily navigate through the lessons and activities and follow the instructions.

The app is very useful and easy to use.