3 It seems odd to me that "used she to come back in this article?" is marked as formal (old-fashioned and uncomfortable I agree with). The "used to" development registers with me as being fundamentally informal. In a formal context I would be expecting "did she previously come right here?" https://marcoerepa.bloggip.com/37207587/the-single-best-strategy-to-use-for-used-shipping-containers-for-sale-in-new-york-city