这些句式你掌握了吗?按要求改写下列句子。

1.It's time for class.( 改为同义句)

It's time ___ ____ class.

2.My favourite subject is P.E..(就划线部分提问)

___ ___ your favourite subject?

3.It's ten thirty.(改为同义句)

It's ____ ____ ____ .

4.I go to bed at nine o'clock.(就划线部分提问)

___ ___ do you go to bed?

5.Turn out the light. (改为否定句)

____ turn out the light.