查人人中国名人网说明文300字作文植物:英语改错
来源：百度文库 编辑：查人人中国名人网 时间：2024/04/30 05:35:18
many attempts have made to climb that mountain before he succeeded in doing it .
参考答案是have made 改为had been made .请问为什么? 请翻译
参考答案是have made 改为had been made .请问为什么? 请翻译
在他成功爬上山前许多努力已经被做
动作发出者he与attempts是被动关系
many attempts不是made的施动者，也就说many attempts是被某人或某些人所为，所以该用被动语态。