Answer and Explanation: To transform direct speech into indirect speech, transform the tense of verbs from present to past, also changing the pronouns:
1. My dad had asked why he was late.
2. The teacher stated (that) the final is next week; In this case, as the action is still continuing, there is no change in the tense of the verb, since it could give the wrong meaning.
3. John claims he hasn't been home yesterday.
4. Christina said she had been to several countries.
Dima wondered if the shops had opened.
