@article{oai:tsukuba.repo.nii.ac.jp:00007272,
 author = {Okuyama, Mika},
 journal = {Tsukuba English Studies},
 month = {Aug},
 pages = {197--212},
 title = {Toward a semantic approach to the English passive : on the basis of the speaker's conceptualization},
 volume = {10},
 year = {1991}
}