i think that this is the translation of it.
Somebody stole it
कसैले यो चोरयो
Who stole it?
कसले यो चोरयो?
I got a new one
मैले एऊटा नयाँ पाए
Was it a good price?
के यो एक उचित मूल्य थियो?
Ths foox was very good today
this is wrong sentence
I am coming
म आउँदैछु/ म अाईरहेकोछु
Wait for me
मलाई पर्ख
Ill wait for you
म तिमीलाई कुर्नेछु