Grammar · Useful patterns
が欲しいです, I want a thing
[Noun] が欲しいです
For wanting an object, as opposed to wanting to do something, which is たい.
The mistake to avoid
Like たい, use it about yourself. And in a shop, ください is friendlier than 欲しいです.
Examples
水が欲しいです。
みずが ほしいです。
I want some water.