1. 按要求改写句子

1. （1） He usually has a good time on weekends.（改为同义句）
   

   He usually on weekends.
   

3. （2） Do the dishes before dinner.（改为否定句）

      the dishes before dinner.

5. （3） Tom has to go to bed before nine thirty. (改为否定句）

   Tom to go to bed before nine thirty.

7. （4） You shouldn't arrive late for class.（改为祈使句）
   

   late for class.

9. （5） You must listen to the teacher in class.（改为祈使句）

     the teacher in class.