What are you talking about?为什么talk加ing这里talking是动词加ing形式还是名词形式``

what are you talking about what are you talking about What are you talking about what are you talking about what the fuck are you talking about Are you understand what i talking I don't What are you talking What are you even talking about? what fuck are you talking about? 翻译What troubles are you talking about? hellohello,check,check what are you talking What are you talking about?和What are you talking?意思一样吧!? what are you talking what are you talking about 有什么分别? 请问是What are you talking about还是What is you talking about? 请问What were you talking about?和What are you talking about?有何区别? What are you ( ) A.talk aboutWhat are you ( ) A.talk about B.talking C.talking to D.talking about what are you talking还是what do you talking?问你们在说什么是用what are you talking 还是what do you talking还是what are you talking about还是what do you talking about?为什么用what are you talking about?说话是动作为什么不 what are you talking about?这句话中文是什么? What ___ ___ (究竟)are you talking about?一空一词