EVER
1. Have you ever been to London?
2. Have you ever met Louis?
3. Have you ever seen a bear?
4. Have you ever been the best in your class?
5. It's the funniest joke I've ever heard!
___________________________________________________________________
ALREADY
1. I've already bought it?
2. Have you already done your homework?
3. I've already this article.
4. They've already been to the cinema.
5. She's already passed her exam.
__________________________________________________________________
NEVER
1. I've never been to London.
2. I've never met Louis.
3. I've never seen a bear.
4. I've never been the best in my class.
5. I've never heard such a funny joke.