Simple Past Tense Formula : Verbal : Subject + Verb 2 + Object + Complement Non Verbal : Subject + Was/were+ Complement Function : To express an event that was happened or finished in the past. Example : Verbal (+) The nurse went to the hospital yesterday (-) The nurse did not go to the hospital yesterday (?) Did the nurse go to the hospital yesterday ? (-?) did not the nurse go to the hospital yesterday? Non Verbal (+) They were not bad kid (-) They were not bad kid (?) Were They bad kid ? (-?) Were not they bad kid ? Past Progressive / Continuous Tense Formula : Verbal : Subject + was/were+ Verb Ing + Complement Non Verbal : Subject + was/were+being + Complement Function : To express an action that was going at the time on the past. Example : Verbal : (+) They were working when I called them (-) They were not working when i called them (+?) Were They working when I called them? ...