Name the kinds of interjection with their examples.

There are five kinds of interjections:

1. Interjections to express greeting.
   Examples : Hello!
    

2. Interjections to express joy.
   Examples : Hurray!
    

3. Interjections to express approval.
   Example : Bravo! 
    

4. Interjections to express surprise.
   Example : Oh! 
    

5. Interjections to express grief.
   Example : Alas!