@inbook {2689,
	title = {Some proposals concerning the modal verb in English},
	booktitle = {Edinburgh studies in English and Scots},
	year = {1971},
	month = {1971},
	pages = {69-120},
	publisher = {Longman},
	organization = {Longman},
	address = {London},
	keywords = {NG},
	author = {Anderson, John M.},
	editor = {Aitken, A.J. and McIntosh, A. and Palsson, H.}
}
