+0

Hi.

He appeared [to have been circulating many lies about the company he was looking for].

What's the function of the bracketed infinitival clause?

Is it subject complement?

+2

I wouldn't necessarily bracket it like that. I would suggest that "appeared to have been circulating" is a catenative construction whose object is "many lies ...".

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Teachers: We supply a list of EFL job vacancies

What about the following one?

He seems not to have understood the instructions that were given him.

Persian LearnerHe seems not to have understood the instructions that were given him.

I suggest that this can be looked at in the same way. I.e., at core is catenative verb combination "seem to do something"; here the negative perfect infinitive "not to have understood" is plugged in.