No hay gente suficiente.

There aren't enough people.

1. Hay un bolígrafo en la mesa.
   There's a pen on the table.
2. No hay bares en ese pueblo.
   There aren't any bars in that village.
3. ¿Hay leche en la nevera?
   Is there any milk in the fridge?
4. ¿Por qué no hay leche en la nevera?
   Why isn't there any milk in the fridge?
5. Hay una fiesta en mi casa.
   There's a party in my house tonight.