Harjoittele perfektiä (= present perfect tense)

https://www.englishclub.com/grammar/verb-tenses_present-perfect_quiz.htm

https://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_statements.htm

https://www.ego4u.com/en/cram-up/grammar/present-perfect-simple/exercises

http://www.focus.olsztyn.pl/en-present-perfect-tense-exercises-with-answers.html#.YFyxyq8zYdU

https://www.englisch-hilfen.de/en/exercises/questions/present_perfect.htm

Kysymyslauseita