perfect j’ai été, tu as été, il a été, nous avons été, vous avez été, ils ont été imperfect j’étais, tu étais, il était, nous étions, vous étiez, ils étaient near future je ...

In the methods section one would use past tense due to what they have done was in the past. It has been debated whether one should use active or passive voice. The scientific ... Ecuador (01° 02’ 35.2 ...

1. The voice of the verb is distinct from its tense. Don't confuse the passive voice with the past tense. (Sentence 2 happens to be in the past tense, but 3 is not; both 2 and 3 are in the passive ...