Difference between Past Simple and Past Perfect (6º)

Past Perfect vs Past Simple (II) - 6º

From: http://www.englisch-hilfen.de/en/

Past Perfect vs Simple Past (6º)

From: http://www.perfect-english-grammar.com/past-perfect-exercise-3.html

Comic strips (6º)

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Conditionals (zero, fierst, second, third) - 5º/6º

From: http://eslgamesworld.com/

From: http://www.perfect-english-grammar.com/