英语翻译what have I done?还是 what I have done?出自什么样的语法规则?
网友回答
what have I done 是现在完成时的疑问形式
what I have done 不是一个句子,但是可以引导一个主语从句
what I have done impressed him greatly ：我今天做的事情让他印象深刻
======以下答案可供参考======
供参考答案1:
what I have done
供参考答案2:
what have I done?
标准疑问句格式
供参考答案3:
What have I done today／What did I do today ？因为疑问词what在句中不是做主语，所以后面的句子用倒装的语序
供参考答案4:
应该是what have I done?
是简单的疑问句句型，疑问词+助动词/be动词/have+主语，就像what is your name ？
只不过这里是现在完成时，用的是have done，have就是助动词。。。