He congratulated me on having won the competition.为什么介词要用on?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/24 16:14:50

He congratulated me on having won the competition.为什么介词要用on?
还有这个：I dashed for cover on seeing the plan coming towards me.为什么也要用介词on来引导后面的动名词作宾语呢?这是属于那种用法,拜托高人解答~~~~~~~~~

有许多都是这的,如
accuse sb.of sth
blame sb.for sth.
charge sb.with sth.
rob sb.of sth.
congratulate sb.on sth.
scold sb.for sth.
（这些非常有用的短语你需要平时积累.）
再问：那这个呢？I dashed for cover on seeing the plan coming towards me.为什么也要用介词on来引导后面的动名词作宾语呢？这个不是固定搭配吧，有点晕~~~~~~~~~~~~~~
再答： on seeing== as soon as I saw -- - for cover== to get a hiding place dash==move quickly dash for ==go for

on the telephone 介词为什么用on talk on the phone为什么介词用的是on on the siwm team为什么介词用On? 翻译：“competition on the merits”? Mary won the first prize on yesterday‘s music competition.改错 on the wednesday evening的介词为什么要用on呢? my report on beijing 为什么介词要用on A mile further on.为什么要用介词on on a cold night为什么要用介词on on rainy days 为什么介词要用on而不是in? 比如.1.She congratulated Eric on winnig the cup(win） 1.Well do 为什么介词用on?