3 It appears odd to me that "used she to come in this article?" is marked as formal (aged-fashioned and awkward I agree with). The "used to" development registers with me as remaining fundamentally informal. In a formal context I'd count on "did she formerly appear in this article?" or https://used-shipping-containers89012.blogspothub.com/36116969/used-shipping-containers-for-sale-chicago-secrets