how could you have done that 谁能分析一下这句话语法?

how could you have done that 谁能分析一下这句话语法? How many times do you have been done?这句话的语法对吗 how long have you done that 谁能给我讲解一下和could never have done 的相关知识? All clothes we have are on sale 能分析一下这句话的语法吗? 再加意思 谁能分析一下这句话的语法结构,尤其是中间的which和what 语法角度分析这句话My will be done. what have i done that you should be so angry with me?请问这句话中, I could have done anything for you . 谁帮我分析一下这句话的语法结构? 请分析一下这句话的语法 求分析一下这句话的语法