The word(s) "by" appears 750 time(s) in 615 verse(s) in Quran in Mohsin Khan translation.

(271) And (it is) a Qur'an which We have divided (into parts), in order that you might recite it to men at intervals. And We have revealed it by stages (in 23 years).

(272) Say (O Muhammad صلى الله عليه و سلم): "Invoke Allah or invoke the Most Gracious (Allah), by whatever name you invoke Him (it is the same), for to Him belong the Best Names. And offer your Salat (prayer) neither aloud nor in a low voice, but follow a way between.

(273) And nothing prevents men from believing, (now) when the guidance (the Qur'an) has come to them, and from asking Forgiveness of their Lord, except that the ways of the ancients be repeated with them (i.e. their destruction decreed by Allah), or the torment be brought to them face to face?

(274) And We send not the Messengers except as givers of glad tidings and warners. But those who disbelieve, dispute with false argument, in order to refute the truth thereby. And they treat My Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.), and that with which they are warned, as a jest and mockery!

(275) Musa (Moses) said to him (Khidr): "May I follow you so that you teach me something of that knowledge (guidance and true path) which you have been taught (by Allah)?"

(276) "As for the ship, it belonged to Masakin (poor people) working in the sea. So I wished to make a defective damage in it, as there was a king behind them who seized every ship by force.

(277) "And as for the boy, his parents were believers, and we feared lest he should oppress them by rebellion and disbelief.

(278) Until, when he reached the setting place of the sun, he found it setting in a spring of black muddy (or hot) water. And he found near it a people. We (Allah) said (by inspiration): "O Dhul-Qarnain! Either you punish them, or treat them with kindness."

(279) "Those whose efforts have been wasted in this life while they thought that they were acquiring good by their deeds.

(280) "That shall be their recompense, Hell; because they disbelieved and took My Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.) and My Messengers by way of jest and mockery.