I wish and if only for regrets

Example:
You can't have a quiet weekend at home.
1 You have to share a bedroom.
2 You forgot to do your science homework.
3 You can never remember people's names.
4 You didn't go on holiday last year.
5 You argue a lot with your sister.
6 You spent €100 on a pair of jeans.
7 You didn't get good marks in your last test.
8 You haven't got a car.
9 You can't afford to go to the Katy Perry concert.
10 You didn't have time to go to the graduation party last weekend.

Write the sentences from Exercise 1 using I wish or If only.

Example:
I wish I could have a quiet weekend at home.
1 I wish I had to share a bedroom.
2 I wish I forgotten to do my science homework.
3 I wish I couldn't never remember people's names.
4 I wish I hadn't gone on holiday last year.
5 I wish I argued a lot with your sister.
6 If only I had spent €100 on a pair of jeans.
7 If only I hadn't got good marks in my last test.
8 If only I had got a car.
9 If only I could afford to go to the Katy Perry concert.
10 If only I hadn't had time to go to the graduation party last weekend.

proszę o sprawdzenie :)

jezeli w zdaniu, ktore wprowadza jakas historie, wydarzenie, etc, to uzywajac wish czy if only zmieniasz zdania twierdzace na przeczace, a przeczace na twierdzace, np.:
You don't have a room of your own.
[I wish/If only] I had a room of my own.

You are short.
[I wish/If only] I wasn't short.

''Aby uniknąć pomyłek w tłumaczeniu z polskiego na angielski, najlepiej samemu w myślach zamienić zdanie rozpoczynające się od żałuję/szkoda, że... na zdanie zaczynające się od chciałbym, żeby... i wtedy dopiero tłumaczyć na język angielski. Uchroni to Was wówczas od tego błędu''