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to buy buying bought having bought
dozen two dozens of a dozen of a dozen
scores of dozen of score of dozens of
dozen books dozens books dozen of books dozens of books
choose elect appoint select
look for looked for looking for to look for
choose elect appoint select
going into; reward going into; bonus went; favour went; honour
produced invented housed disappeared
dozen of books several dozens books
several dozens of books
several dozen books
Because she went After she went When she went Since she went
dozen of books several dozens books several dozens of books several dozen books
has gone to has been to is leaving for went to
to buy bought Buy buying
dozen books dozens books dozen of books dozens of books