为什么 days are gone 不用 days have been gone?

为什么 days are gone 不用 days have been gone? gone are the days动词为什么不用过去式 Those Days Are Gone 歌词 gone are the days 怎样用 Gone Are The Days 歌词 Gone are the days when teachers are looked down upon.为什么 gone are the days when 不换成 Away went the days which Those Dancing Days Are Gone 歌词 Those days are past and gone.翻译 Gone are the days when teachers were looked down upon.这句话为什么要用gone而不熟going? Gone are the days when women could be refered to the weak.请问 开头为什么要用gone作为主语 Gone are the days when we used foreign oil.这个句子为什么用倒装? Seated on the ground are a group of young people.为什么要用过去分词?Seated on the ground are a group of young people.坐在地面上的不是指正坐在地上吗,为什么不用现在分词吗?还有Gone are the days when teachers were look Gone are the days when we were together RT. the days __ gone.填is还是are? Farewell,all the days that have/are long gone~ Gone _________ when we were poorA are the days B were there days为什么选择A呢? 不因为是过去时吗? 怎么翻译 seven days is a long time为什么要用is不用are呢 when time is gone,为什么不用spent