1. There aren't any letters to answer.
Are there any letters to answer?
2. There isn't nothing new under the moon.
Is there nothing new under the moon?
3. Anything isn't wrong with my computer.
Is anything wrong with my computer?
4. There isn't any money in the safe.
Is there any money in the safe?
5. There aren't any good things in our life.
Are there any good things in our life?
6. There isn't anybody in the flat.
Is there anybody in the flat?
7. There aren't any biscuits in the tin.
Are there any biscuits in the tin?
8. There isn't any olive oil in the bottle.
Is there any olive oil in the bottle?
9. There aren't any doubts about it.
Are there any doubts about it?
10. There isn't anything interesting on the display.
Is there anything interesting on the display?
11. I wouldn't like to read anything interesting.
Would I like to read anything interesting?