现在分词： carrying

过去式： carried

过去分词： carried

相关介绍

The work will be carried out at a future date.

这项工作将来再做。

He has carried out extensive research into renewable energy sources.

他已经对再生能源进行了广泛研究。

The research was carried out on a modest scale.

这个研究项目开展的规模不算太大。