How to say there in Spanish

The Spanish word for there is hay.
How to pronounce hay in Spanish:
Click to hear the pronunciation of hay  
Examples of hay in Spanish:
Hay muchos trenes.
There are many trains.

Infórmanos si hay algún cambio.
Let us know if there is any change.

¿Hay clases hoy?
Are there classes today?

Do you know another example that uses there in Spanish? Please tell us where you read or heard it (including the quote, if possible).