I / PLAYING BADMINTON / NAM / WHEN / MY FRIENDS / CAME / WITH / WA...
17. I / playing badminton / Nam / when / my friends / came / with / was / .
a. I came with Nam when my friends was playing badminton.
b. I playing badminton with Nam when my friends was came.
c. I was playing badminton when Nam with my friends came.
d. I was playing badminton with Nam when my friends came.