I)
1. Nam will repair his bicycle tomorrow afternoon.
=>His bicycle will be repaired by Nam tomorrow afternoon.
2..I often walk to school when I was a student.
=>I used to walk to school when I was a student.
II)
1.Last year, I went to Thailand with my parents.
2.This festival helds in my country every two years.
III)
1.he ever (be)..been......to England
2.Nick hates (see)....seeing..........the film
Xin hay nhất ạ.