He asked me whether I could help him.这里为什么用could

He asked me whether I____(know)his sister为什么 he asked me whether I___(know)his name. He asked me whether anyone could help me.anyone 不要变为someone 为什么 He asked me ________ she would come back soon.为什么中间要填whether? He asked me _____I had been to Japan.为什么不能填when?Whether He asked me whether I could help him.这里为什么用could He asked me whether I____(know)his sister Know前面要不要加would 为什么? She asked me whether he could dance or sing. 中whether he could dance or sing是什么从句?不会是宾语从句吧?已经有宾语me了 he asked me if i know where he lived,用if不行的吗?一定要用whether?为什么? 改为直接引语 the teacher asked if we could do it. he told me to wait a minute.he asked me where l lived my teacher asked whether he was coming. he asked me whether these islands--to ChinaA,belonged B belong C,are belonged D,have belonged答案是B, he asked me whether she lived here.是什么从句?whether引导的从句在句子做什么成分?是作宾语? He asked me ___ to use the computer.A.why B.whether说明原因谢谢 这里的whether是“是否”的意思吗? 改错 she asked him that he could do some shopping for herMr.smith asked me whether I had done my homework yesterday. 宾语从句还是同位语从句He asked me whether / if I was sure my mother would come.如题,me和从句不是同位语吗? 选择题要解析“Have you seen the film?he asked me.==>He asked me()A had I seen the filmB whether I had seen the filmC if I have seen the filmD have I seen the film 为什么he said,''did you see him last night变为he asked me whether i had seen him the night before为什么改成 whether i had seen ,had是怎么改的?seen是怎么改的 he then asked me how my brother wasHe then asked me how my brother was and whether I liked my new job in London.这里的how my brother was是什么语法?