请用had been done造几个句子，并翻译

来源：百度知道 编辑：UC知道 时间：2024/05/09 15:46:24

my car had been towed away 我的车被弄走了
she found something had been stolen 她发现东西被偷了

my work must have been done.
我的工作必须完成
this operation have been done by next week。
这项工程必须在下周之前完成