https://agendaweb.org/exercises/verbs/passive-voice/active-passive-1
https://agendaweb.org/exercises/verbs/passive-write-1
https://agendaweb.org/exercises/verbs/passive-voice/passive-1
Present perfect
https://agendaweb.org/exercises/verbs/present-perfect-2
https://agendaweb.org/exercises/verbs/present-perfect-multiple
https://www.gamestolearnenglish.com/perfect-tense-game/
Present perfect vs Past simple
https://agendaweb.org/exercises/verbs/present-perfect-past-simple/exercise-1
https://agendaweb.org/exercises/verbs/present-perfect-past-simple/test-1
https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect.htm
https://www.usingenglish.com/quizzes/228.html
Questions tags
https://www.englisch-hilfen.de/en/exercises/reported_speech/pronouns.htm
https://www.englisch-hilfen.de/en/exercises/reported_speech/backshift.htm
https://www.englisch-hilfen.de/en/exercises/reported_speech/time_phrases.htm
https://www.perfect-english-grammar.com/reported-speech-exercise-1.html
https://agendaweb.org/exercises/verbs/reported-speech/tenses-1
https://www.ego4u.com/en/cram-up/grammar/reported-speech/exercises?10