On this page in Wikipedia!, it states for first conditional sentences: The condition can also be expressed using the modal verb should. This form can be used to make an inverted condition ...
Only now you can even get them on top of wrinkles. Only infrequently does it happen. As one of our members has said, inversion happens when a sentence starts with "only" and never ...
I am wondering whether we can invert the subject and the verb in english. Ex (illustrative only): A car is provided to the players. The keys must be retrieved at the office. would become ...