Прочитайте и проанализируйте предложения. Что в них общего и чем они различаются? Нежное, ласковое солнце пригревало

There were birds above us. 
There are some books on the table. 
There were some strange people behind us. 
All my classmates are in the classroom. 
There are many trees in front of my house. 
There are many apples under the tree.
Look at these kittens - they are so cute!
She put some sweets into the box. 
The clown took out two rabbits out of his hat.