Now get some practrice at

http://www.englisch-hilfen.de/en/exercises_list/reported.htm

Get some practice at:

http://www.englishpage.com/modals/modalintro.html

You can do some passive voice exercises at:

http://www.englisch-hilfen.de/en/exercises_list/passiv.htm

http://www.ego4u.com/en/cram-up/grammar/passive

Non-Defining  Relative Clauses explanation:

 http://www.usingenglish.com/glossary/non-defining-relative-clause.html

Get some practice at :

http://www.usingenglish.com/quizzes/51.html

http://www.usingenglish.com/quizzes/234.html

http://www.usingenglish.com/quizzes/373.html 

Hi everybody!
Here you have the booklet you prepared before going to Edinburgh, and the pictures we took. I hope you enjoy it

Keep up the good work