"Never before I such a wonderful feast."
" seen" 动词的拼写(过去完成时)不应改 "see" ,因为前面有 "had' 助动词.
其他例句(倒装句):
(1) "Never before had taxpayers so many changes at once as they had in the Tax Reform Act ."
(2) The most obvious reason for the high,86% voter turnout was that the black
majority had never before a chance to vote,
(3) Never before have so many voters fallen into that category and never before had
so many of them 过去完成时 Democratic...