- Is there anything I can do for you? Just tell me.
- Today I have done something useful for mum, and she liked it.
- Have you ever heard anything like this?
- I’d like to explain something to you.
- There’s nothing I can say on this topic. I’ve forgotten all.
- I am sorry to say but there isn’t anything at all that I can do for you.
- There is nothing better than having a cup of hot tea on a cold winter day.
Перевод: что-то, что-нибудь/ничего — выбор определяется смыслом и типом предложения.