PRESENT SIMPLE vs PRESENT CONTINUOUS (or PROGRESSIVE, as the Americans say).
There are many websites to practise the difference between what we DO EVERYDAY and what WE ARE DOING NOW. Here are some of the most useful for you (in my opinion). Enjoy!
- http://www.inglestotal.com/present-simple-and-present-continuous-diferencias-y-ejercicios/ (basic theory + exercises)
- http://englishforsecondary.blogspot.com/2009/04/present-simple-vs-present-continuous.html (exercises posted by another teacher on the differences between these two presents).
-http://www.hueber.de/shared/elka/Internet_Muster/Red2/3-19-002886-9_Muster.pdf (more basic practice & theory).
- http://moodle.citylit.ac.uk/file.php/1/Study%20skills%20work%20sheets/grammar/intermediate/Microsoft%20Word%20-%201.13%20FUTURE%20action%20-%20%20Present%20continuous%20Exercises.pdf (present continuous for future actions).
( exercises to distinguish between Present Simple and Present Continuous).