several times 是现在完成时的时间状语吗

several times 是现在完成时的时间状语吗 several times 是some times还是several tiomes? several weeks ago 换现在完成时,是several weeks before还是for several weeks several times 译中 i'v seen HAS play several times this season为什么一开始用现在完成时而后来用一般现在时 he failed several times的several times是什么成分 He has failed several times . 怎样就several times提问 several times是什么词呀 tom has been to shanghai several times 否定句一般疑问句对划线部分提问 划线部分是 several times 用how ofter提问 i have been told several times. 这句话是被动语态吗? [急]请问several times和for several times的区别请问for several times没了for还能表示“几次”的意思吗.如果想说“我见过他几次”,是用“I have seen him for several times”还是去掉for也可以?如果可以希望能 英语翻译 I read only.book.several times several times前用什么时态 he什么(be)to　shanghai　several　times He telephoned me several times last Several times over the past decades