what color is your book 和 what color are you books 这两个句子的be 只是看主语是否复数吗?还是要看人
问题描述：
what color is your book 和 what color are you books 这两个句子的be 只是看主语是否复数吗?还是要看人
例如what color is his books 还是用 what color are his book
答
want 做主语是看宾语是单数还是复数.第一个宾语是 your book ,第二个是 your books.不用看人称吗？he 不是要用is吗what color are his books.what color is his book.