By. It was written by him. Used for passive voice. That's okay by me! Used in idioms. This means it's okay from my point of view. Informal. From. The package was from him. I come from the States. From suggests origin. Coffee is made from beans. Of: the watch was made of gold. It was a book of his that caused the trouble. Can show possession, but his book would be used more. To. Indicates direction. I send it to him. I am going to France. Indicates indirect object. In some ways, the opposite of from. Prepositions are hard to sort out in any language. And then you get into certain verbs take certain prepositions, and it's totally confusing.my best suggestion is to memorize a sentence with the correct construction, and use it as a pattern. In Italian, I remember Vado en Italia a Firenze, because they use en for countries, a for cities for "going to". Who knows why!!!

Need more information, I think you have a typo.

Na minha opinião "of" indica posse, e "from" indica origem tipo: i'm from Brazil, Where are you from. Espero que entenda