wish /if only

Hello!
I would like to know if these sentences are correct:

1.I wish I spent(spend) more time swimming.
2.She wishes she …went…………….(go) to your party after all.
3.I wish I …hadn’t listened………….(not listen ) to you before.
4.You are lucky going to Italy.I wish I ……went………(go ) with you.
5.I wish you …would buy…………( buy ) that old house.
6.It’s high time you …started……….(start) working seriously.
It’s high time for you to start working seriously.
7.It’s time you……went…………(go ).
It’s time for you to go.
8.If only I……were/had been… (be ) taller!
9.I would rather you …didn’t watch……………….( not watch) television while I am reading.
10.I would rather you ……didn’t eat……………( not eat ) all the bread.
Thank you a lot for your support and time!

  1. also ‘had spent’
  2. had gone
  3. could go
  4. Also ‘had bought’

The rest are all possible.

Thank you, Beeesneees!