1、Don't run in the classroom.换种意思表达 2、Turn off the television.改为否定句,但句意不变

1.You shoudn't run in the classroom.
2.Don't turn off the television.

1.You can't run in the classroom 2.Don't turn off the television

1.In zhe classroom,please don't run.
2.Don't turn on the television.

1.runing in classroom is not good
2.Don't turn off the television

1.You can't run in the classroom.
2.Don't turn on the television.