Have you got a key to unlock the door?这个句子中to unlock到底是作宾补还是做后置定语?

Have you got a key to unlock the door?这个句子中to unlock到底是作宾补还是做后置定语?
Have you got a key to unlock the door?这个句子中to unlock到底是作宾补还是做后置定语?

Have you got a key to unlock the door?这个句子中to unlock到底是作宾补还是做后置定语?
做后置定语

宾补。

宾补

另：该情况也不是唯一的，有时候也可以用现在分词或带to的不定式做宾语补足不定式往往用主动形式. Have you got a key to unlock the door? (A