cost的主語是物或某種活動, 還可以表示“值”, 常見用法如下：(1)sth. costs (.) ＋金錢,某物花了（某人）多少錢.例：A new computer costs a lot of money. 買一臺新電腦要花一大筆錢.(2) (doing) sth. costs (.) ＋時間,某物（做某事）花了（某人）多少時間.例：Remembering these new words cost him a lot of time. 他花了大量時間才記住了這些單詞. 注意：cost的過去式及過去分詞都是cost,並且不能用於被動句. take後面常跟雙賓語, 常見用法有以下幾種：(1) It takes . ＋時間＋to do sth. 做某事花了某人多少時間.例：It took them three years to build this road. 他們用了三年時間修完了這條路.(2)doing sth. takes . ＋時間,做某事花了某人多少時間.例：Repairing this car took him the whole afternoon. 他花了一下午修車. take常用於“佔用、花費”時間,其主語通常為形式主語“it”或物.句式是： It takes/took .some time to do sth＝Sth.takes .some time. 例如： It took me three years to draw the beautiful horses. 畫這些漂亮的馬花費了我3年時間. cost的主語必須是某物.spend … on sth．/in doing sth．的主語必須是人.pay … for 的主語也是人.It takes + ．+ 時間（或錢）to do sth．的主語則必須是形式主語It. 動詞cost的常用用法是sth.cost (.) some money. 如：The dictionary cost me £ 20.
cost的主語是物或某種活動, 還可以表示“值”, 常見用法如下：(1)sth. costs (.) ＋金錢,某物花了（某人）多少錢.例：A new computer costs a lot of money. 買一臺新電腦要花一大筆錢.(2) (doing) sth. costs (.) ＋時間,某物（做某事）花了（某人）多少時間.例：Remembering these new words cost him a lot of time. 他花了大量時間才記住了這些單詞. 注意：cost的過去式及過去分詞都是cost,並且不能用於被動句. take後面常跟雙賓語, 常見用法有以下幾種：(1) It takes . ＋時間＋to do sth. 做某事花了某人多少時間.例：It took them three years to build this road. 他們用了三年時間修完了這條路.(2)doing sth. takes . ＋時間,做某事花了某人多少時間.例：Repairing this car took him the whole afternoon. 他花了一下午修車. take常用於“佔用、花費”時間,其主語通常為形式主語“it”或物.句式是： It takes/took .some time to do sth＝Sth.takes .some time. 例如： It took me three years to draw the beautiful horses. 畫這些漂亮的馬花費了我3年時間. cost的主語必須是某物.spend … on sth．/in doing sth．的主語必須是人.pay … for 的主語也是人.It takes + ．+ 時間（或錢）to do sth．的主語則必須是形式主語It. 動詞cost的常用用法是sth.cost (.) some money. 如：The dictionary cost me £ 20.