英语翻译

问题描述:

英语翻译
过去进行时好还是一般过去时好
那"我们急需对房地产市场做一个调查”怎么翻译

This plan has been discussing by us for very long time.
现在完成进行时那"我们急需对房地产市场做一个调查怎么翻译?we are in urgent need of making a investigation about the real estate market.