ELTC Argentina

FOURTH YEAR
Tenses Revision

http://www.english-grammar-lessons.com/
http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple
http://www.english-grammar-lessons.com/presentperfect/menu.php
http://www.english-room.com/pasttense_6a.htm
http://zenaida.lacoctelera.net/post/2007/11/08/past-tense-exercises
http://zenaida.lacoctelera.net/post/2007/11/08/past-tense-exercises
http://www.e-grammar.org/past-perfect-simple-continuous/
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-53517.php