a tall man is easy to spot in the crowd 句子结构?

a tall man is easy to spot in the crowd 句子结构?
a tall man is easy to spot in the crowd 句子结构?

a tall man is easy to spot in the crowd 句子结构?
a tall man 是主语
is easy 是系表结构
to spot in the crowd 宾补
用不定式表被动,长得高的人在人群中容易被认出