Past continuous

 Cada una de las frases siguientes contiene un error relacionado con el pasado continuo. ¿Puedes encontrarlo y corregirlo?

1. You was working at the library when we first met.
2. When she was 25, she was travelling every day for an hour to get to her job.
3. How long Jacob was living with you?
4. I was needing a new coat before I went to Iceland.
5. It was raining when we were arriving at the big house.