Ex2:
1- ali was heading to the back of the bus when he saw the photo in the newspaper
2- ali looked at his father while he was painting (pas sûr)
3- someone shot Malcom X while he was giving a speech
4- cassius clay changed his name when he was 25 years old
Ex3:
1-went/ had burnt
2- refused/ had done
3- started/went
4- became/payed/gave or had given (pas sûr)
5-was/ told/ had met