Prepositions:
* of: This is the most common translation, especially when "de" indicates possession, origin, or material.
* El libro de Juan: John's book.
* La camisa de algodón: The cotton shirt.
* from: This is used when "de" indicates origin or movement away from something.
* Vengo de España: I come from Spain.
* El avión despegó de la pista: The plane took off from the runway.
* about: This is used when "de" introduces a topic.
* Hablamos de la película: We talked about the movie.
* to: This is used in some idiomatic expressions.
* dar de comer: to feed
* estar de acuerdo: to agree
Other:
* -ing: This is used when "de" is part of a verbal noun.
* El ruido de la música: The noise of the music.
* with: This is used in some idiomatic expressions.
* estar de acuerdo: to agree with
* sentirse de mal humor: to feel in a bad mood
It's important to consider the context when translating "de" into English. Think about the meaning of the sentence and the words surrounding "de" to determine the most appropriate translation.