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cost的过去式是什么

cost的过去式是什么

2023-12-29 14:30589浏览

cost的过去式是cost,过去分词也是cost。vt.花费;使付出;使花许多钱;估价,估算成本。

cost的过去式是什么

cost的过去式和过去分词是cost。

cost:

n.费用;花费;价钱;成本;(为做某事涉及的)努力,代价,损失。

vt.需付费;价钱为;使丧失;使损失;使付出努力;使做不愉快的事。

第三人称单数:costs.

复数:costs.

现在分词:costing.

过去式:cost.

过去分词:cost

The cost in terms of human life was high.

付出了很大的生命代价。

And again, we must think of the cost.

再说,我们必须考虑成本。

Just out of interest, how much did it cost?

我只是好奇问问,这个花了你多少钱?

How much will it cost, more or less?

这个大概得花多少钱?

The total cost to you is  3 000.

你总共要支付3000英镑。

cost的用法

cost一词在英语中既可以作动词,也可以作名词。

1、作动词时,意思为“花费”,常用结构为:sth. cost(s) sb. some money.

2、作名词,意思为:

(1)“价钱,花费”,如 the cost of living 生活成本;

(2) “代价”,如the cost of being famous 成名的代价

Example: It costs a lot to buy a house in this part of London. 

在伦敦的这个区买房子会花很多钱。

Example: This ship was built at a cost of 400 million dollars. 

造这条船花了四亿美元。

Example: He became famous at the cost of his private life. 

他以私生活为代价,获取了成名。

Example: Is it true that the cost of living in Tokyo is the most expensive in the world? 

据说东京的生活成本全球最高,是真的吗?

cost,pay,spend和take辨析

spend,cost,take和pay都可以表示“花费”,但用法却不尽相同。

1、spend的主语必须是人, 常用于以下结构:

(1) spend time /money on sth. 在……上花费时间(金钱)。例:

I spent two hours on this maths problem.

这道数学题花了我两个小时。

(2) spend time / money (in) doing sth. 花费时间(金钱)做某事。例:

They spent two years (in) building this bridge.

造这座桥花了他们两年时间。

2、cost的主语是物或某种活动, 还可以表示“值”, 常见用法如下:

(1)sth. costs (sb.) +金钱, 某物花了(某人)多少钱。例:

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.) +时间,某物(做某事)花了(某人)多少时间。例: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。

3、take后面常跟双宾语, 常见用法有以下几种:

(1) It takes sb. +时间+to do sth. 做某事花了某人多少时间。例:

It took them three years to build this road.

他们用了三年时间修完了这条路。

(2)doing sth. takes sb. +时间,做某事花了某人多少时间。例:

Repairing this car took him the whole afternoon.

他花了一下午修车。

4、pay的基本用法是:

(1) pay (sb.) money for sth. 付钱(给某人)买……例:

I have to pay them 20 pounds for this room each month.

我每个月要付20英磅的房租。

(2)pay for sth. 付……的钱。例:

I have to pay for the book lost.

我不得不赔丢失的书款。

(3)pay for sb. 替某人付钱。例:

Don't worry! I'll pay for you. 别担心,

我会给你付钱的。

(4)pay sb. 付钱给某人。 例:

They pay us every month.

他们每月给我们报酬。

(5)pay money back 还钱。例:

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。

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