Переделать предложения в reported speech

1) That's a real pity that this dress costs so much that I can't afford it!

2) Excuse me, sir, but your behaviour is inappropriate, so, I'm afraid, you have to come with me.

3) I refuse to believe you, and I'm sure that it's possible to catch an elephant with this pit!

4) Mummy, I don't want to cut my hair, because I want to be Rapunzel!

5) Please, Dad, switch off your phone - the play is about to begin.

6) Next time we buy 200 balloons for our daughter's birthday, we will ask the seller to blow them up.

I was cleaning the house while he was working in the garden. (Оба действия продолжали на протяжение некоторого времени).
When we found the cat it was playing under the bed. (Found — короткое действие, нашли. Was playing — он играл на протяжении некоторого времени).
Joan was having a shower when the window cleaner came. (Аналогично, как во втором)
Grandma was knitting while Grandad was smoking his pipe. (Скорее всего здесь опечатка и должно быть именно так.)
When i arrived home, Father was painting the front door.
Bob and Sally were walking when it started to rain.
What were you talking about when i came in?
I was reading my newspaper when they knocked on the door.
As Fiona was washing the glass, she cut her finger.
Mother broke the vase while she was dusting it