REPORTED SPEECH-EXPLANATION
https://www.perfect-english-grammar.com/reported-speech.html
Now some EXERCISES to study REPORTED SPEECH
https://inglescarmelitaslb.files.wordpress.com/2011/05/reported-speech.pdf
http://www.edu.xunta.gal/centros/iesallariz/system/files/REPORTED_SPEECH%20(3)_0.pdf

REPORTING VERBS-MORE EXERCISES
https://www.risorsedidattiche.net/inglese/grammatica/reported_speech/reported_speech_mixed_exercise_8.pdf

http://www.realcolegioloreto.com/Archivos/476_REPORTED%20SPEECH.pdf