spend的主语通常是人,往往用于以下句型: 1. (sb) spend some money/some time on sth。 2. (sb)spend some money/some time(in)doing sth。 例如: i spent fifty yuan on the coat。 = i spent fifty yuan (in) buying the coat. 我花50元买了这件大衣。 he spent three days on the work. = he spend three days (in) doing the work. 我干这项工作用了3天。 3.spend money for sth. 花钱买……。 例如:his money was spent for books. 他的钱用来买书了。 take常用于"占用、花费"时间,后面常跟双宾语,其主语通常为形式主语"it"或物。句式是: 1. it takes/took sb.some time to do sth 例如:it will take me two days to do the work. 这项工作花了2天时间。 2. doing sth./sth.takes sb.some time. 例如: the work will take me two days。这项工作花了2天时间。 repairing this car took him the whole afternoon. 他花了一下午修车。 it took me three years to draw the beautiful horses。 =drawing the beautiful horses took me three years。 画这些漂亮的马花费了我3年时间。 pay为"付款、赔偿"之意,主语通常是人,句型 1. sb. pays some money for sth 例如: i paid fifty yuan for the coat。我花50元买了这件大衣。 2. pay (sb。) money for sth. 付钱(给某人)买……。 例如:i have to pay them 20 pounds for this room each month. 我每个月要付20英磅的房租。 3. pay money back 还钱。 例如:may i borrow 12 yuan from you? i"ll pay it back next week. 你能借给我12块钱吗?下周还你。 4. pay off one"s money 还清钱。 cost的主语是物或某种活动, 还可以表示"值"。句型 1. sth. costs (sb。) +money, 某物花了(某人)多少钱。 例如:a new computer costs a lot of money. 买一台新电脑要花一大笔钱。 2. (doing) sth. costs (sb。) +time, 某物(做某事)花了(某人)多少时间。 例如:remembering these new words cost him a lot of time. 他花了大量时间才记住了这些单词。 注意:cost的过去式及过去分词都是cost,并且不能用于被动句。 北京市海淀区中考试题 i"m interested in animals, so i _____________ every saturday working in an animal hospital。 a. pay b. get c. take d. spend 【解析】答案:d。该题考查的是pay, get, take和spend这四个动词的用法区别。只有动词spend可以用在sb. spends time doing sth. 这个句型里,所以正确答案应是spend。 this science book ____ me a great amount of money。 a. took b. cost c. used d. spent 答案:b