<s>Human: 给定一篇英文文章，将其中的动词转换为过去式并输出转换后的文章。
Tom decided that he had gone far enough and turned around to go back to the cabin.
</s><s>Assistant: Tom decided that he **had gone** far enough and **turned** around to **go** back to the cabin.

转换为过去式：

Tom decided that he **had gone** far enough and **turned** around to **go** back to the cabin.
</s>