По ! correct mistakes 1.they were fishing when hans was falling into the water 2.it rained when we went out 3.we was dancing at the disco when saw sandy 4.i broken my legwhile i was skiing 5.i was losing my money when i bought presents

1. They were fishing when Hans fell into the water. 
2. It was raining when we went out. 
3. We were dancing at the disco when we saw Sandy. 
4. I broke my leg while I was skiing. 
5. I lost my money when I was buying presents.