第1个回答 2011-08-02
应该是they would never feel tired,tire是个短暂动词前面怎么能加never呢?,我觉得最好还是把它变成形容词,更符合语言规则
第2个回答 2011-08-02
不对 应该说 they would never be tired,你那样说很蹩脚,不通顺
第3个回答 2011-08-02
they would never be tired
tire是动词,tired是形容词,be tired
第4个回答 2011-08-02
They will never tired.