ch’ae-gǔl po-se-yo. k’ǒm-p’yu-t’ǒ-rǔl po-se-yo. Note the syllable ǔl and rǔl between the objects (book and computer) and po-se-yo. ǔl or rǔl, depending on the previous syllable, is the direct object particle. The book is the direct object of the sentence. ǔl rǔl k'ǒm-p'yu-t'ǒ-rǔl po-se-yo. Please look at the computer.