She said to me: “I went there yesterday”
She told me she had gone there the day before (= the previous day)
He said to me: “ I will go there tomorrow”
He told me he would go there the following day (= the next day)
They said: “we were there last week”
They said (that) they had been there the week before.
They said: “ we will go to our
house next month”.
They said (that) they would go to their
house the following month