YOU SAID:

boy it is half past bedtime

INTO JAPANESE

少年それは就寝時間の半分過ぎです

BACK INTO ENGLISH

boy it's half past bedtime

INTO JAPANESE

少年それは就寝時間の半分過ぎた

BACK INTO ENGLISH

boy it was half past bedtime

INTO JAPANESE

少年は就寝時間の半分過ぎた

BACK INTO ENGLISH

The boy was half past bedtime.

INTO JAPANESE

その少年は就寝時間の半分過ぎていた。

BACK INTO ENGLISH

The boy was half past bedtime.