There are some ducks on the lake变为否定句和一般疑问句,做两种回答

There aren't any ducks on the lake.( aren't= aren't any,否定句变some为any)Are there any ducks on the lake?( 一般疑问句要变some为any)Yes,there are( 肯定回答)No,there aren't (否定回答)...