There are a lot (from/of/on)books on the shelf.

There are a lot (from/of/on)books on the shelf. — There are a lot of books on the shelf.

Are there a lot of books on the shelf?

What are there on the shelf?

Where are there a lot of books?

How many books are there on the shelf?

Are there a lot of books or pens on the shelf?

Are there a lot of books on the shelf on the table?

There are not a lot of books on the shelf.