recently状语,an old milk box主语 in the countryside后置定语,修饰box 、 i saw定语从句,省略了that或which,修饰box.brought back谓语 my childhood memories宾语.i 主语took谓语 it宾语 home地点状语,take sth to sw,表示把某物带到某地.and 连词planted 谓语it宾语 on the back porch,介词+宾语跟在it背后做宾语补足语.every so often时间状语 my son's friends 主语will ask谓语 what it is宾语从句.so连词,译为所以 i主语 start 谓语telling stories宾语 of my boyhood后置定语,修饰stories,and 连词of the milkman后置定语,修饰stories.who brought us friendship along with his milk.定语从句,修饰milkman.希望对你有所帮助