recently狀語,an old milk box主語 in the countryside后置定語,修飾box 、 i saw定語從句,省略了that或which,修飾box.brought back謂語 my childhood memories賓語.i 主語took謂語 it賓語 home地點狀語,take sth to sw,表示把某物帶到某地.and 連詞planted 謂語it賓語 on the back porch,介詞+賓語跟在it背后做賓語補足語.every so often時間狀語 my son's friends 主語will ask謂語 what it is賓語從句.so連詞,譯為所以 i主語 start 謂語telling stories賓語 of my boyhood后置定語,修飾stories,and 連詞of the milkman后置定語,修飾stories.who brought us friendship along with his milk.定語從句,修飾milkman.希望對你有所幫助