How the word "de" is translated into English
Soy de Madrid.
[ˈsoj ðe maˈðɾið.]
I'm from Madrid.
¿De dónde eres?
[¿de ˈðonde ˈeɾes?]
Where are you from?
Este libro es de mi hermano.
[ˈeste ˈliβɾo ez ðe mj eɾˈmano.]
This book is my brother's.
"de" is in the lesson "Prepositions" (Level 36), along with 12 other useful words. LinDuo has 180 topic lessons like this one, 2,369 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.