用英语举个关于定于从句的例子

问题描述:

用英语举个关于定于从句的例子
In spoken English we often keep the preposition after the verb in the relative clause.When we do this,we normally use who (not whom).
Once upon a time ,there was a king who had a small kingdom.
Where is the preposition?谁能帮我改一下?

The friend who I was traveling with spoke French .