Recommended websites for practice
1. Verb forms
http://www.englishpage.com/verbpage/pastperfectcontinuous.html
2. Irregular verb
http://www.englisch-hilfen.de/en/exercises_list/alle_grammar.htm
3. Practice writing postcards
Follow the procedures
http://www.readwritethink.org/files/resources/interactives/postcard/
