there is a bike under the tree.(改为复数形式)there___some___under the tree.

希望对你有帮助：
1.there are some bikes under the tree
2.there are not any books in the desk
3.No,there aren't
4.How much milk is there in the glass
5.Is there a computer in the room ?

there are some books on the desk.(改为否定句)_there __aren\t _ any ____ ____books in the desk
are there any bags on the desk?(否定回答)___NO _,there ____aren\t ______
there is some milk in the glass.(对some提问)How___much_ ____milk ____ ____in the glass?
there is a computer in the room.?(改为一般疑问句)_is___ ____ a comouter in the room

There are some bikes under the tree.
There aren't any books in the desk.
No,there aren't.
How much milk is there in the glass.
Is there a computer in the room?

1. are；bikes
2.aren‘t；any
3.No；there；aren’t
4.How；much；are；there
5.Is；there

are bikes
there aren't any

no , there aren't
how much is there
is there