Тут всё очень просто, если речь в в кавычках "", то это прямая речь, если нет кавычек, то косвеннвя
Misha said: “I saw them yesterday.”
He told me that he was ill. - DS
She told me she had that she had caught a cold. - RS
He said that he would not come to school the next day. - RS
“You speak English very well”, he said to me. - DS
My guests said, “You are a very good cook.” - DS