主将
I help the captain.
私は主将を手伝います
I help the captain at the practice ground.
私は練習場で主将を手伝います
I help the captain hard at the practice ground.
私は練習場で一生懸命主将を手伝います
I help the captain hard at the practice ground today.
私は今日練習場で一生懸命主将を手伝います
I help the captain hard at the practice ground today with my junior.
私は後輩と今日練習場で一生懸命主将を手伝います