Thou didst not believe me and hast even spoke thus to me! While thou didst wink and wouldst not see. And in torments thou didst prove to be courageous. And yet my trust thou didst, my love, betray. Thus the auxiliary verb "to do" is used, e.g." thou didst help", not "*thou helpedst". Thou on my head in early youth didst smile;"" for being too personal. How didst she bring forth that child of wonderful prowess? When Thou tookest upon Thee to deliver man&colon; Thou didst not abhor the Virgin's womb. Didst not thou agree with me for a penny?