`-` VD cho a : 

     `+` I have a banana. 

     `+` She rides a bike. 

     `+` A dog is next to a cat. 

`-` VD cho an : 

     `+` There is an apples on the tables. 

     `+` I have an orange. 

     `+` The test will end in an hour. 

`-` VD cho the : 

     `+` The dog is running fast. 

     `+` The girl is playing guitar. 

     `+` The boy gets up late. 

`-` VD cho any : 

     `+` Are there any books in your room ? 

     `+` There isn't any pencil in my table. 

     `+` There isn't any water here. 

`-` VD cho some : 

     `+` Can I have some pasta, please ?  

     `+` There are some fruits. 

     `+` I want to have some new clothes.