We explain each tense with a simple, animated timeline, where you can see how the past, the present, and the future are related to the time. You will see that nothing seems complicated if you understand the time-flow logic. For the practice part, we used the reinforcement learning technique. It will help you memorize tenses and verbs quickly and for a longer time. The app contains the following tenses: Present Simple Present Continuous (Present Progressive) Present Perfect Present Perfect Cont