F 7 10.01

Warming exercise
http://www.halfbakedsoftware.com/quandary/version_2/examples/castaway.htm

Grammar: Past perfect
https://www.englisch-hilfen.de/en/exercises/tenses/past_perfect.htm
https://www.ego4u.com/en/cram-up/grammar/past-perfect-simple/exercises
https://elt.oup.com/student/solutions/preint/grammar/grammar_09_012e?cc=ee&selLanguage=en

Past perfect continuous
https://www.ego4u.com/en/cram-up/grammar/past-perfect-progressive/exercises
https://www.englishclub.com/grammar/verb-tenses_past-perfect-continuous-quiz.htm

Past simple, past perfect, past perfect continuous
https://www.e-grammar.org/past-perfect-simple-continuous/test1-exercise1/
https://www.test-english.com/grammar-points/b1/past-simple-past-continuous-past-perfect/