1.There is a woman near the house.（变复数）

1.There is a woman near the house.（变复数）
2.There are some buses near the hill.（变单数）
3.There are some apples in the tree.（变一般问句）
4.There are some oranges in the glass.（变否定句）
5.Is there a baby in the room?（变复数）
6.There are many beautiful flowers in the garden .( 变一般问句)、
7.There is a bookcase in my study.（变一般问句）
_____ _____ _____ _____ in your study?
8.There are some big trees behind my house.（变一般问句）
_____ _____ ______ big trees behind my house?