10 oraciones afirmativas con there is y 10 con there are?

There is a book there are many trees

there is a river there are some mountains

there is a flat land there are many clouds

there is a long highway there are a glasses

there is a table there are bananas

there is an apple there are apples

there is a window there are windows

there is a pencil there are many deserts

there is a eraser there are erasers

there is a ball there are balls.