5th YEAR: PAST PERFECT SIMPLE AND CONTINUOUS.

PAST PERFECT:
http://www.perfect-english-grammar.com/past-perfect-exercise-1.html

PAST PERFECT AND PAST SIMPLE:
http://www.englisch-hilfen.de/en/exercises/tenses/past_perfect_simple_past.htm

PAST PERFECT SIMPLE AND CONTINUOUS:
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-9553.php
http://www.myenglishpages.com/site_php_files/grammar-exercise-past-perfect.php

GAME:
http://eslkidsworld.com/Interactive%20games/Grammar%20Games/Past%20Perfect/past%20perfect%20quiz.html

http://www.eslgamesplus.com/irregular-past-tense-esl-grammar-jeopardy-quiz-game/

QUIZ:
http://www.usingenglish.com/quizzes/140.html