Is there a lot of flowers in the garden?这句怎样改？

Is there a lot of flowers in the garden?这句怎样改？
Is there a lot of flowers in the garden?
这句怎样改？

Is there a lot of flowers in the garden?这句怎样改？
Are there a lot of flowers in the garden?

花园里有许多花吗？

is 改 are

花园里有很多花吗？