The word(s) "art" appears 775 time(s) in 695 verse(s) in Quran in Muhammad Habib Shakir translation.

(351) Bear then patiently what they say, and glorify your Lord by the praising of Him before the rising of the sun and before its setting, and during hours of the night do also glorify (Him) and during parts of the day, that you may be well pleased

(352) Their hearts trifling; and those who are unjust counsel together in secret: He is nothing but a mortal like yourselves; what! will you then yield to enchantment while you see?

(353) He said: My Lord knows what is spoken in the heaven and the earth, and He is the Hearing, the Knowing.

(354) And We did not create the heaven and the earth and what is between them for sport.

(355) And whoever is in the heavens and the earth is His; and those who are with Him are not proud to serve Him, nor do they grow weary.

(356) Or have they taken gods from the earth who raise (the dead).

(357) Do not those who disbelieve see that the heavens and the earth were closed up, but We have opened them; and We have made of water everything living, will they not then believe?

(358) And We have made great mountains in the earth lest it might be convulsed with them, and We have made in it wide ways that they may follow a right direction.

(359) He said: Nay! your Lord is the Lord of the heavens and the earth, Who brought them into existence, and I am of those who bear witness to this:

(360) And Ayub, when he cried to his Lord, (saying): Harm has afflicted me, and Thou art the most Merciful of the merciful.