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.