STRUCTURE OF THE PRESENT PROGRESSIVE

Below we present a vídeo that explains in more detail the structures of the present simple

EXCERCISES

 1 - http://www.englisch-hilfen.de/en/exercises/tenses/simple_present_progressive.htm

 2 - http://www.englisch-hilfen.de/en/complex_tests/present_progressive2/index.php
 3 - http://www.really-learn-english.com/present-progressive-exercises.html
 4 - http://www.really-learn-english.com/present-progressive-exercises.html#02