1. Mary can't sing well and she is not happy about that.
-> Mary wishes she could sing well.
2. I don't like Peter at all but he lives next to my house.
-> I wish Peter didn't live next to my house.
3. The children like candy but their parents don't allow them to eat sweet food.
-> The children wish their parents allowed them to eat sweet food.
4. My sister always complains about my voice.
-> I wish my sister wouldn't complain about my voice.
5. He can't compose a song although he really wants to do it.
-> He wishes he could compose a song.
6. She loves her father but he doesn't love her.
-> She wishes her father loved her.
7. The weather in Hue is too cold and damp for us in winter.
-> We wish the weather in Hue weren't too cold and damp for us in winter.
8. My friend is talkative!
-> I wish my friend weren't talkative.