she was attracted by his smile 和 she attracted by his smile的区别

问题描述:

she was attracted by his smile 和 she attracted by his smile的区别
为什么在第一个句子里加了was(be 动词)
两个句子都是什么时态

第一个句子是被动语态,是说她被他的微笑吸引
第二个句子是主动语态
等待高手..