@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039224, author = {Yamamoto, Michiyo}, journal = {Linguistic research : working papers in English linguistics}, month = {Dec}, note = {application/pdf}, pages = {157--180}, title = {Interpretation of the Scope Relation between Modality and Negation : A Cross-Linguistic Perspective}, volume = {18}, year = {2001} }