has不是三单吗,这里怎么还用have呢?They have been longing for a journey to the moon all these years
have原来单复数同形啊
谢谢
不同形的!如果你的例句主语是He,那么应该写为:He has been longing for a journey to the moon all these years.
过去将来时和一般过去时都表示 过去习惯性 的动作这个怎么区分啊?