PRESENT TENSES

3º ESO EXERCISES ON THE CONTRAST OF PRESENT TENSES.

http://baladre.info/english/sedaviwebfront/presimpcont3.htm
http://mbonillo.xavierre.com/exercises/eso3/3eso2007/prsmpcont1.htm
http://mbonillo.xavierre.com/exercises/eso3/3eso2007/prsmpcont2.htm
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-9683.php