1. Those who haven’t been abroad before shouldn’t criticize foreign customs.
→ Nobody Nobody who has never been abroad should criticize foreign customs.
2. I’ve never been to Scotland before.
→This is the first time I've been to Scotland
3. Hurry up if we want to catch the last bus home.
→ Unless we don't want to catch the last bus, we must hurry up.
4. How long have you practiced karate?
→ When did you start practicing karate?
5. She is young but she is the most famous artisan in the village.
→ In spite of being young, she is the most famous artisan in the village.
6. He grew up in a town famous for pottery making.
→ The town where he grew up is for pottery making