Reported speech

https://learnenglish.britishcouncil.org/grammar/b1-b2-grammar/reported-speech-1-statements

 https://www.perfect-english-grammar.com/reported-speech.html

https://agendaweb.org/verbs/reported_speech-exercises.html

https://www.wallstreetenglish.com/exercises/direct-and-indirect-speech-exercises

https://dictionary.cambridge.org/grammar/british-grammar/reported-speech_2

time and place in reported speech: https://www.blogger.com/blog/post/edit/7140449843112666307/3074430584825158776