Taalhulp Engels is a free website where you can learn English online. On this page, you have an overview of all the English grammar lessons you can find on this website. You should first try to study these lessons before doing the exercises. This is a good way to test if you fully understand what you ahve just learned.
In addition to vocabulary, grammar is equally important when learning a language. How would you know which form of the verb you should use? Or how you can talk about the future? The different subjects are grouped together and in alfabetical order.