Ⅰ.cost 指某東西“值……錢”; “需要花費……錢/ 精力”等，它的主語一般為表示東西的名詞，不能為表示人的名詞，作及物動詞和名詞。可接雙賓語，無被動語態(tài)。如：
① I’ll bet that dress cost a thousand dollars.我敢說那件衣服得花1000美元。
② The chair cost me thirty yuan.這把椅子花了我30元。
③ The building of the dam cost many lives. 修建這個水壩使許多人喪生。(使花(某種代價);使損失)
④ Bad driving may cost you your life.開車技術不行可能使你丟掉性命。
⑤ 作名詞時意為“花費;成本”→The cost of the house was too high for me.這房子的價錢太高，我買不起。
[常用搭配]：
① at all costs 不惜一切代價，—→The officer told the soldiers that they must defend the town at all costs. 軍官對士兵們說要不惜一切代價保衛(wèi)這座城市。
② at the cost of 以……為代價。
→1). He finished the work at the cost of his health. 他完成了這項工作，但失去了健康。
→2). She saved him from fire, but at the cost of her own life. 她從火中把他救出，但她自己卻犧牲了。
③ cost of living 生活費用。
—→As the cost of living goes up my standard of living goes down. 生活費用越上漲，我的生活水準越降低。
Ⅱ.spend 的主語經(jīng)常是人 ， 用來表示人花錢買東西或花時間做某事，
常用的句型有： 如：
① I spend 5 yuan on the book.我買這書花五元錢。
② The boy spent 10 minutes drawing a dog.那個男孩花了10分鐘畫一只狗。
Ⅲ.pay “支付，花費”，主語只能是人 且只用于花費金錢，其結構是: pay + sb + some money + for sth. “為……付給某人多少錢” 其中的人、錢、事，可以根據(jù)具體情況取舍。如：
① I paid (him)5 yuan. 我付(給他)5元錢。
② I paid him 5 yuan for the book. 我買那本書付給了他五元錢。
③ I paid him for the book. 我買那本書付給了他錢。
④ I paid for the book. 我付了那本書的錢。
Ⅳ.take 也可表“花費時間和金錢”，(一般只指花費時間)
其常用結構為：It +take(各種時態(tài))+time/money+to do sth. 如
It took me three hours to finish the work.
① I’ll bet that dress cost a thousand dollars.我敢說那件衣服得花1000美元。
② The chair cost me thirty yuan.這把椅子花了我30元。
③ The building of the dam cost many lives. 修建這個水壩使許多人喪生。(使花(某種代價);使損失)
④ Bad driving may cost you your life.開車技術不行可能使你丟掉性命。
⑤ 作名詞時意為“花費;成本”→The cost of the house was too high for me.這房子的價錢太高，我買不起。
[常用搭配]：
① at all costs 不惜一切代價，—→The officer told the soldiers that they must defend the town at all costs. 軍官對士兵們說要不惜一切代價保衛(wèi)這座城市。
② at the cost of 以……為代價。
→1). He finished the work at the cost of his health. 他完成了這項工作，但失去了健康。
→2). She saved him from fire, but at the cost of her own life. 她從火中把他救出，但她自己卻犧牲了。
③ cost of living 生活費用。
—→As the cost of living goes up my standard of living goes down. 生活費用越上漲，我的生活水準越降低。
Ⅱ.spend 的主語經(jīng)常是人 ， 用來表示人花錢買東西或花時間做某事，
常用的句型有： 如：
① I spend 5 yuan on the book.我買這書花五元錢。
② The boy spent 10 minutes drawing a dog.那個男孩花了10分鐘畫一只狗。
Ⅲ.pay “支付，花費”，主語只能是人 且只用于花費金錢，其結構是: pay + sb + some money + for sth. “為……付給某人多少錢” 其中的人、錢、事，可以根據(jù)具體情況取舍。如：
① I paid (him)5 yuan. 我付(給他)5元錢。
② I paid him 5 yuan for the book. 我買那本書付給了他五元錢。
③ I paid him for the book. 我買那本書付給了他錢。
④ I paid for the book. 我付了那本書的錢。
Ⅳ.take 也可表“花費時間和金錢”，(一般只指花費時間)
其常用結構為：It +take(各種時態(tài))+time/money+to do sth. 如
It took me three hours to finish the work.