A. I would tell him everything, were in your shoes I.
B. I were in your shoes, I would tell him everything.
C. Were I in your shoes, I would tell him everything.
Feedback When we invert the conditional sentence and omit 'if' we place 'should, were, had' in the first place: [should / were / had + subject + object] + [result clause]
D. I would tell him everything, I were in your shoes.