This free English grammar application is designed to help you improve your English grammar. It will teach you a lot about grammar: what it is, how to use it, and the most basic grammar rules.

If you are studying a topic and you don’t know something, it’s not a problem. Just use the help function. It’s a very easy-to-use app.

The topics include a lot of simple things. But also more advanced topics. Like the present simple and the past simple.

So if you want to study the present simple, you should do it on the first topic.