Oliver Goldsmith is considered one of the greats of English literature is a mystery to me. His two "masterpieces", The Vicar of Wakefield<span> and </span><span>She Stoops to Conquer,</span><span> are mildly entertaining but ephemeral. They practically evaporate on a second reading.</span>
In New Amsterdam slaves had some opportunity to make money and could buy half their freedom. I believe so
The verb phrase, "have become", is functioning as an action verb.
