what had happened和 what has happened有什么区别

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/03 11:33:56

what had happened和 what has happened有什么区别
翻译和用法上有什么区别
“he told me what______ ” 中填这两个回答有什么不同的效果

what had happened是问“出了什么事情”（的三单形式）询问他、她、它出的什么事情.
what has happened是问“出了什么事情”的过去式,因为“had”是“have(has)”的过去式.
而这道题中的“told”是“tell”的过去式,前后时态应该一致,所以应该选填（what had happened）
再问：这明明是一个现在完成时一个过去完成时啊。难道what has happened有语法错误吗

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