Here's a bit of practice for you... from the 한겨레 A Korean daily newspaper:
from: http://www.hani.co.kr/arti/cartoon/bibi ... 78362.html
It's really good to practice with because the grammar is pretty repetitive, so you can work on just a few constructions and at the same time improve your vocabulary. If you look closely, you'll see the mother is basically asking the same question, just with different nouns. I'm working on this one myself as we speak!