lunes, 5 de septiembre de 2011

Present simple vs continuous

http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/simcon.htm - explanation, examples and exercises

http://www.ego4u.com/en/cram-up/grammar/simpre-prepro - further explanation

http://www.englishpage.com/verbpage/verbs1.htm - exercise in context

0 comentarios:

Publicar un comentario