Past tenses
Opiates and Opiate Pharmacology : A Research Perspective D John Doyle MD PhD FRCPC Professor of Anesthesia November 3, 2006.
November 14 -32. unit 29 30 review + test
November 12 -31. modals for necessity and conclusion
October 28 -25. past continuous
Past perfect
Past continuous (when & while)
30. conversation starters, transcription examples, and past continuous
Past Continuous Were Paul and Claire working at eight o’clock last night? No, they weren’t. They were having dinner at a restaurant.
Analgesic and anaesthetic drugs in Obstetrics and Gynaecology
Choosing the Correct Verb Tense: Past Tenses
