Sprawdzisz e-mail? :)

Hi Kate,

I'm writing to you to tell about car crash which happened to Tom.
It turned out that he has broke leg, so he had to go to the hospital.
Surgeons operated him and he needs to be still ih the hospital for 6 days.
I wish that we'll go to visit him tomorrow.

XYZ

I'm writing to you to tell about PRZEDIMEK car crash which happened to Tom.
It turned out that he has PRZEDIMEK + ZŁA FORMA broke leg, so he had to go to the hospital.
Surgeons operated him and he needs to be still ih IN the hospital for 6 days.
I wish that we'll go to visit him tomorrow.

Surgeons operated (cos brak) him and he needs 'to be still' (znaczy ...nie moze sie ruszac?) IN the hospital for 6 days.
I wish that 'we'll go' (nie mozesz mowisz 'I wish' a pozniej 'we will' popraw) to visit him tomorrow.