INVERSION (subject - auxiliary)

In this advanced English lesson we focus on sentences in which the subject and auxiliary verb are inverted. This occurs when we use questions, question tags and echo questions. But it is also used for 2nd and 3rd conditional, as well as with negative adverbs. 1) Questions, echo questions, question tags, so/neither Are you sure? Yes, so am I You don’t know him do you? I found it yesterday. Did you? So did I