Direct vs. Indirect Speech:
Present Simple - Past Simple
She said, "The car is dirty. " - She said that the car is dirty.
Present Continuous - Past Continuous
She said, "I'm washing the car. " - She said that she was washing the car.
Past Simple - Past Perfect
She said, "I washed the car. " - She said that she had washed the car.
Direct - Indirect:
1. Will - Would
2. Can - Could
3. Must - Had to
4. Am/Are/Is going to - Was/Were going to
5. Mustn't - Mustn't
6. Could - Could
7. Would - Would
8. Should - Should
9. Might - Might
10. Today - That day
11. Tomorrow - The next day
12. Next day - The following day
13. Now - Then
14. Yesterday - The day before
15. Last week - The week before