1) sb. spend ...on sth
例如：I spend two days on this problem.
2) spend in doing sth，其中in可省略
例如：They spend two days （in）building the house.
3) spend money for sth.
例如：His money was spent for pencils.
2. cost主语多指物，过去式和过去分词都是cost，且不能用于被动语态。
例如：A new telephone costs a lot of money.
3. take后面常跟双宾语，常见有以下用法：1) It takes sb. ＋时间＋to do sth.
例如：It took them four years to build this bridge.
(2)doing sth. takes sb. ＋时间
例如：Repairing this computer took him the whole day.
4. pay的主语多指人，常用搭配 pay for
例如：I have to pay for the book lost.
pay的其他搭配还有：pay back 一般指报复
pay off 回报 使...得益，pay up 全部付清
5. 习题巩固
1. I'm interested in animals，so I___every Monday working in an animal hospital.
A. pay B.cost C.take D.spend
答案：D
2. They spend too much time___the report.
A. writing B.to write C.on writing D.write
答案：A
3.What beautiful shoes you're.wearing！
They must be expensive.
No，they only ___10 yuan.
A. pay B.cost C.take D.spend
答案：B
4. Will you please___for my dinner Amy？
A. pay B.cost C.take D.spend
答案：A
5.It will__me too much time to read this book.
A. pay B.cost C.take D.spend
答案：C
6. This science book __me a great amount of money.
A. pay B.cost C.take D.spend
答案：B
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