l have not seen the film Titanic yet 为什么要用现在完成时态

I have seen the film "titanic 对现在又什么影响? Have you seen the film yet ? 翻译 I have seen the film "titanic" already when ( ) you( ) it Have you ever seen the film Titanic是什么意思 Have you seen the famous film “Titanic”? “Titanic” was one o have you seen the film ? Not yet.I will go to see it tomorro ——I have seen the film Titanic already.——When ＿＿ 英语定语从句问题i have seen the film Titanic,and ____leading actor i I have seen the film Titanic already.When ____ you ____(see) Have you seen the film'Titanic",( )leading actor is world fa 定语从句问题：Have you seen the film " Titanic" whose director is w Have you seen the film"Titanic",____leading actor is word fa