Составить предложения с неправильными глаголами catch, cost, cut,,do, did

1. The dog ran past me and out of the house before I could catch it. 2. It costs a lot to buy a flat in this part of Moscow. 3. The razor slipped while I was shaving and I cut myself. 4. The only thing we can do now is wait and see what happens. 5. Dan did anthropology at university.