This portal offers short "language trips" about different topics. Each lesson deals with a different subject and includes different exercises. On the right side of the page, you can find a sidebar with a exercises for general grammar topics in Spanish.

You'll find lots of great grammar explanations and lots of exercises on this website. Audio recordings of sentences and words are also available.

This learning site provides grammar exercises for beginners to advanced Spanish learners. The site is clearly structured and easy to use.

Languageguide.org provides a comprehensive introduction to the basics of Spanish grammar. With many examples and audio recordings.

Under the playlists "Spanish I/II Videos" and "Spanish III Lessons" you can find numerous excellent videos that explain grammar topics in a simple and straightforward manner.

Use Verbix to look up full conjugation patterns of individual verbs. After searching for a verb, you'll be presented its conjugations in a clear table. Even though there are no exercises, the overview is helpful for memorizing a verb's different forms. To start, just enter any verb in the search box.