The word(s) "didst" appears 33 time(s) in 25 verse(s) in Quran in Muhammad Pickthal translation.

(21) And when thou saidst unto him on whom Allah hath conferred favour and thou hast conferred favour: Keep thy wife to thyself, and fear Allah. And thou didst hide in thy mind that which Allah was to bring to light, and thou didst fear mankind whereas Allah hath a better right that thou shouldst fear Him. So when Zeyd had performed that necessary formality (of divorce) from her, We gave her unto thee in marriage, so that (henceforth) there may be no sin for believers in respect of wives of their adopted sons, when the latter have performed the necessary formality (of release) from them. The commandment of Allah must be fulfilled.

(22) He saith: By Allah, thou verily didst all but cause my ruin,

(23) He said: I am better than him. Thou createdst me of fire, whilst him Thou didst create of clay.

(24) (But now the answer will be): Nay, for My revelations came unto thee, but thou didst deny them and wast scornful and wast among the disbelievers.

(25) didst thou (O Muhammad) observe him who turned away,