Some people are playing basketball, some are playing soccer, others are playing ping pang.这种分三类描写的，前两个都用some，第三类用others代替 。
Some people are playing basketball . Some are running.。
some people are~some are~others are~。
some people are playing basketball 。
People are playing basketball, in the meantime some others are playing soccer.。
网友分享：On P.E. class, someone are rope skipping, someone are running and someone are playing basketball。
Someone in the running, someone in play, someone is singing, dancing。
some of those boys are playing basketball.～～希望对你有所帮助,望采纳～～～。
look,there are some students playing football on the ground,some others are palying basketball there.。
Some play basketball, some play football, some play table tennis, some running, some high jump, some play volleyball.。