两个句子的翻译， 请大家帮忙看看有啥错误没？[求助]

[他命令我必须在他回来前把所有的工作做完]
He ordered me that I must finished all works before he came back.
[他希望我能够在他回来前把所有的工作做完]
He hoped that I could have finished all works before he came back.