have seen had seen的区别 急要啊

had ever seen和have ever seen的区别 have seen had seen的区别 急要啊 had saw和had seen 的区别 have you seen的意思 never ()a man as happy as he i had seen had i seen i have see Yesterday Imet Sandy .We _ each other since _ middle school.A.have not seen ;finishedB.have not seen ;finishingC.had not seen ;finishedD.had not seen ;finishing you had seen Tom asked me ,“Have you seen that movie yet?” Tom asked me( ) A.if I have seen that movie B.whether have I seen that movie C.if I had seen that movie D.whether had I seen that movie 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 Sally asked me,Have you seen that movie yet?Sally asked me( )A if I have seen that movieB whether have I seen that movieC if I had seen that movieD whether had I seen that movie要解析 I have never had the opportunity seen myselrf 求这篇完形填空 英译汉：Had you come yesterday,you would have seen him. the two friends______each other for a long time before they met in London in 2006A.had no seen B.have not seen（这里的before是“才”的意思吧?）A.HAD NOT SEEN 关于already的用法-Did you see the movie yesterday?-No,because I____it already.A.saw B.would see C. was seeing D.had seen这道题是选D吧?但是为什么不用have seen而用had seen? have seen的延续性动词是什么? I have even seen 的意思是什么 I have even seen 的意思是什么 --- my glasses?---Yes.I them on your desk a minute ago.A.Had you seen; saw B;Have you seen; saw怎嘛回事啊,好想要用过去时的,