两个关于LIKE 的句子所做的成分

第一句 The girl looks like her mother.→→ 系动词look ”看起来“（这里同时也是不及物动词）作谓语,介词短语 like her mother 作表语.
第二句是The boy is like his mother.→→ 系动词 be 作谓语,介词短语like his mother 作表语.