Hay
The verb form "hay" has two meanings: there is there are
Por ejemplo: Hay un libro en la clase. There is a book in the class. Hay unas plumas en la mesa. There are some pens on the table.
When used in questions, "hay" has two different meanings: Is there? Are there?
¿Hay un lápiz en la mochila? Is there a pencil in the backpack? ¿Hay plumas en la clase? Are there pens in the class?
Practice on your own: 1. There is a sheet of paper. Hay una hoja de papel. 2. There is a folder and a pen. Hay una carpeta y una pluma. 3. There are scissors in the office. Hay tijeras en la oficina. 4. Is there a pencil in the class? ¿Hay un lápiz en la clase? 5. Is there a calculator in the backpack? ¿Hay una calculadora en la mochila?