句型转换1、there are buses.（变一般疑问句）（作肯定回答）2、there are some apples

1、there are buses.（变一般疑问句）（作肯定回答）
are there buses?yes ,there are
2、there are some apples on the tree.（变否定句和一般疑问句）
there isn't any apple on the tree.is there any apple on the tree?
3、sweep the floor,please.（变否定句）
don't sweep the floor
4、give some magazines to them.（同义转换）
give them some magazines
5、the dag is running after a cat.（对running after a cat提问）
what is the dog doing
6、there is a table in the middle of the room.（对in the middle of the room提问）
where is the table
7、my mother is a sales rept.（对a sales rept提问）
what does your mother do
8、we are ging to type letters.（对type letters提问）
what are you going to do
9、he is Chinese.（对Chinese提问）
which country does he come from

1.Are there buses?
Yes,there are.
2.There aren't any apples on the tree
Are there any apples on the tree?
3.Don't sweep the floor,please
4.Give him some magazines
5.What is the dog doing?
6.Where is a table?
7.What's your mother?
8.What are you going to do?
9.What's his nationality?