The passive sentence is → We were given new toothbrushes by the hygienist.
This sentence uses simple past tense
✐ formula past simple (+) O + was / were + Verb 3 (by S) (-) O + was / were + not + Verb 3 (by S) (?) Was / were + O + Verb 3 (by S)? _________________________
Subject : English Keywords : Passive Voice, Past simple