Has, had
Subtitle: the present perfect tense and the simple past
By: by Margaret Close Sacco.
Contributors: Public Service Commission of Canada. English Program Development Unit.
Publisher: English Program Development Unit, P.S.C. Language Training Branch
Published: 1979
Place of publication: Hull, Quebec
Language: eng
Number of pages: 60
Subjects: English language -- Tense; English language -- Verb
Notes: "5000-1022"--Cover.