按照括号内的要求写出下列各词的相应形式。

1. bed (复数)                                     

2. careful (副词)                                

3. speak (过去式)                              

4. see (过去分词)                              

5. run (现在分词)                              

6. seven (序数词)                              

7. new (反义词)                                

8. I (反身代词)                                  

9. interesting (最高级)                        

10. long (比较级)