Mary has read the English story twice 改为被动语态 The English stroy __ __ __twice
问题描述:
Mary has read the English story twice 改为被动语态 The English stroy __ __ __twice
答
has been read
答
has been read,be done 是被动语态的一般形式,既谓语动词加过去分词的形式,而read的过去分词是其本身.加has表示是完成时态