do sb. a favour和do sb. the favour用法解析

do sb. a favour和do sb. the favour用法剖析

① do sb. a favour泛指帮助，不指明帮什么忙，后方不再跟别的词，偶尔可跟“by+动名词”，表现办法。

Would you do her a favour？你帮她一下忙好吗？

Could you do me a favour and pick up Sam from school today?

今天你能帮我个忙去学校接萨姆吗？
I’ve come to ask you to do me a favour

我来这儿是想请你帮个忙。

Would you do me a favour and get rid of this letter I’ve just received?

请帮个忙把我刚刚收到的这封信处理掉行吗？

I don’t mind doing you a favour that costs me nothing.

逆水人情无碍做做。

② do sb. the favour表现具体帮什么忙，后必需跟动词不定式，表现具体协助的内容。

He did Tom the favour to buy the bike. 他帮汤姆买了自行车。

Would you do me the favour to turn up the tv?

你能把电视机的声响拧大一点吗？