1. Every section has a video (right now just one video about the present perfect) .................this one is the most important. Watch the video
2. Then read the examples that specify the use of every tense.
3. Then learn the form of the tense.
4. Then do the exercise in every section in order to practice the form .
5. Have you done the section exercises ? then move one level upwords ................................Do the practice! Here the exercises are more complicated. They combine form and use.
6. Are you finished with all the practice?......CONGRATULATIONS.......Do the final test and enjoy the good results