非谓语的被动形式

I provide a service that people can do without when they're concerned about saving some dollars. 请问老师concerned在这里做被动语态还是形容词,如何区分呢?

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最佳答案 2022-06-23 18:05

It is an adj of course. Only a dictionary can tell you about this. To play safe, you'd best consult it.

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