took 、spent 、cost 、 paid 都是动词过去式,都有“花费”的意思,它们可互换,但它们的用法不同。
1、took 的原形是take ,作为“花费”时,常见句型“It takes sb some time to do sth ." 花费某人多长时间做某事”。
2、spent 的原形是 spend ,主语是人,常与on sth / in doing sth 连用,即 “人+spend +时间/金钱+on sth / (in) doing sth " 某人花费……做某事”。
3、cost 的原形也是cost ,主语是物,即“物+cost sb +金钱”。某物花费某人……做某事。“
4、paid 的原形是pay ,主语是人,常与for 连用,即”人+pay +金钱+for sth "。某人花费……做某事。
如:
1). It took me two hours to finish the work last night .
=I spent two hours finishing the work last night.
昨晚花了我两小时完成这项工作。
2). He spent ten yuan buying the book .
= He spent ten yuan on the book.
=He paid ten yuan for the book.
=The book cost him ten yuan .
他花十元钱买这本书。
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