Vídeo com explicação: https://www.youtube.com/watch?v=lcnVMh0tR9w
Link 0: https://learningapps.org/3664410
Link 1: https://www.ego4u.com/en/cram-up/grammar/reported-speech/exercises?03
Link 2: https://www.ego4u.com/en/cram-up/grammar/reported-speech/exercises?04
Link 3: https://www.ego4u.com/en/cram-up/grammar/reported-speech/exercises?11