当妈妈回来时，我已经写完作业了。的翻译：When the mother came back, I have already finished doing her homework. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

When the mother returned, I had already finished the job.

When the mother came back, I have already finished doing her homework.

When mother comes back, I already finished the work.

When she came back, I had already finished writing has been in operation.

When the mother came back, I have already finished doing her homework.