have been （ing） doing sth.意思?有（ing）吗?

have been （ing） doing sth.意思?有（ing）吗? 为什么has/have been.后面的动词要是ing形式? have been ＋v.ing是神马意思 怎么用 im bored,this is gettin borin ive got nothin to do ,tha,i miss u so much wdh have u been doin D; 基本结构：主语+have/has+been+动词ing(V-ing)这是什么时态的结构 现在完成进行时 例如 Have you been.后可加非延续性动词（不是V-ing形式的）吗? 关于英语非谓语问题非谓语doing having done to do to have done to be doing being done have been done to be done to have been doing done doing,having done,to do,to have done ,to be doing,being done,have been done,to be done,to have been doin have been 后面加什么,have呢have been后什么时候加过去分词,什么时候加ing 我已经完成作业了,I have （完成） my homework ,完成是不是要用过去式 英语问题 have+ed和 have+been+ing 的区别,和他们的意思,求详解 They may have been（ thinking ）about their work all day.这是做的首字母,为啥要填think的ing形式. have been+动词ing,这个是什么时态?was+现在分词又是什么 Many Americans have been leaving their cars at home.leave为什么要加ing? you must have been driving at seventy miles an hour为什么要用ing How long have you been()playing basketball?为什么填practicing 为什么是ing形式 i have been teaching since 2006中的teach为什么要加ing? I have been suffering from the cancer for tow years 中的suffer为什么用ing形式 I have been trying to solve the problem try为什么用ing形式呢 i 've been waiting for you for an hour .为什么这个 have been 后面 带的是ing