class 9: indirect speech in statements

http://www.englisch-hilfen.de/uebungen/indirekte_rede/aussagen.htm
http://www.perfect-english-grammar.com/reported-speech-exercise-1.html
https://www.ego4u.com/en/cram-up/grammar/reported-speech/exercises?04
https://elt.oup.com/student/solutions/int/grammar/grammar_06_012e?cc=de&selLanguage=de
http://www.perfect-english-grammar.com/reported-speech-exercise-1.html
http://www.english-grammar.at/online_exercises/reported-speech/rs002-reported-speech.htm