Question

Напишите возможные вопросы к предложению: yesterday i bought a very good present for my friend.

Answer 1

1. When i bought a very good present for my friend?
2. What did i buy for my friend? 
3. For whom I bought a very good present? 

Можно также от третьего лица спросить, к примеру: 
When he (she) bought a very good present for my friend?