cuando hay clase = when class
hay = there is/are
cuando = when
clase = class
"Hay en la clase" means "There is in the class" in English.
what is in that class
Hay muches alumnos en la clase means There are many students/pupils in the class
"¿Qué hay en clase?" translates to "What is there in class?" It is a question asking about the things or activities that are present or occurring in a classroom.
The litteral translation is - There are students in the class Mexico
Cuando Hay Pasion was created in 1999.
Is there a computer in your class?
What is on the table or there on the table.
Sí, hay cuadernos en la clase. (Yes, there are notebooks in the class.)
It means, "What is there in the class room?"
A good interpretation would be "What's in class?"
Sí, hay estudiantes de México en la clase.