Past Perfect Exercises

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

(Complete with the PP)

http://www.englisch-hilfen.de/en/exercises/tenses/past_perfect_simple_past.htm

(Complete the sentences with simple past and PP)

http://www.ego4u.com/en/cram-up/grammar/past-perfect-simple/exercises

(Complete the sentences)

https://elt.oup.com/student/solutions/preint/grammar/grammar_09_012e?cc=br&selLanguage=pt

(Complete the sentences)

http://www.englishpage.com/verbpage/verbs11.htm

(Complete the text with the correct form of the verb)