cost的过去式怎么读,cost的过去式和过去分词是什么

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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 distance problem.

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

例:They spent three years (in) getting into university.

(3)spend money for sth. 花钱买……。

例:His money was spent for car.

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 refrigerator costs a lot of money.

(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.

注意

cost的过去式及过去分词都是cost,并且不能用于被动句。

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 get into university.

(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.

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.

(2)pay for sth. 付……的钱。

例:I have to pay for the book lost.

(3)pay for sb. 替某人付钱。

例:Don't worry!I'll pay for you.

(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.

(6)pay off one's money还清钱。

例:I have paid off your money.

spend/cost/pay/take

(1)spend的主语通常是人,往往用于以下句型:

(sb)spend some money/some time on sth.

(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。

(2)take常用于“占用、花费”时间,其主语通常为形式主语“it”或物。句式是:

It takes/took sb.some time to do sth=Sth.takes sb.some time.

例如: It took me three years to draw the beautiful horses.

画这些漂亮的马花费了我3年时间。

The work will take me two days.这项工作花了2天时间。

(3) pay为“付款、赔偿”之意,主语通常是人,往往是sb. pays some money for sth或pay sb.(some money for sth)

例如: I paid fifty yuan for the coat.我花50元买了这件大衣。

He has paid the doctor 50 pounds for the medicine? 他买药已付医生50英镑。

How much did you pay him? 你付他多少钱?

(4) cost的主语必须是某物。spend … on sth./in doing sth.的主语必须是人。pay … for 的主语也是人。It takes sb. 时间(或钱)to do sth.的主语则必须是形式主语It。 动词cost的常用用法是sth.cost (sb.) some money。

cost的过去式怎么读,cost的过去式和过去分词是什么(1)

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