Grammar Practice Links

Past Continuous:

• http://www.autoenglish.org/gr.pascon.i.htm
• http://www.ego4u.com/en/cram-up/grammar/past-progressive
• http://www.ego4u.com/en/cram-up/grammar/simpas-paspro/exercises

Past simple:

• http://www.aprenderinglesfacil.es/2008/04/pasado-simple-simple-past-tense.html
• http://www.englishpage.com/verbpage/simplepast.html

Present Perfect:

• http://a4esl.org/a/g.html
• http://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_statements.htm
• http://www.englishpage.com/verbpage/presentperfect.html
• http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple