1: '' i often go to school before 7 o'clock ."nam said
--->nam said he often went to school after  7 o'clock
2," all the student wil have a meeting next week," thu said
-> thu said all the student would  have a meeting the following  week
3, "my parent are very pround of my good marks," phong said
->phong said his parent were very pround of his good marks
4, "you should stay at home and do your homework ," lan said to tam
->lan said to tam she should stay at home and do her homework
5, '' you ought to clean your room ,"lien said to her brother
->lien said to her brother he ought to clean his room
6, "all the homework must be done at home ,"the teacher said
->the teacher said all the homework had to be done at home
7, "i can swim across the river ," tam said
->tam said she could swim across the river
8, "you can go to the movies with your friend ,"her father said to her
->her father said to her that she could go to the movies with her friend