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영어

The complementizer -ko in Korean before verbs of saying and thinking indicates the domain of speech and does not, have any modality. When it occurs with verbs of perception, it has a modality function, which indicates indirect evidence. In the so-called subject-to-object raising sentence, the raised nominal is not the grammatical subject of the complement but a previously mentioned discourse topic. By raising this topic, a speaker encodes a 'doubt in truth modality of the -ko complement clause.