求几个句子的汉译英 新概念二

题目

求几个句子的汉译英 新概念二
1 当我正在洗餐具时，他却在玩电脑（while) 2 我们已经完成了家庭作业（现在完成时） 3 他写完信后就去了邮局（过去完成时after） 4 整个下午我一直在打扫房间（现在完成进行时） 5 到下个月末这个大楼就会完工（将来完成时） 6 明天这个时候我在写作业（将来进行时)

答案

1.While I was washing plates,he was playeing computer.
2.We have finished our homework.
3.He had gone to the post office after writing the letter.
4.I have been cleaning the room all the afternoon.
5.The building will have been completed by the end of next month.
6.I will be doing my homework at this time tomorow.