The word(s) "ولتكون" appears in 2 verse(s) in Quran.

(1) وَلَقَدْ أُوحِيَ إِلَيْكَ وَإِلَى الَّذِينَ مِن قَبْلِكَ لَئِنْ أَشْرَكْتَ لَيَحْبَطَنَّ عَمَلُكَ وَلَتَكُونَنَّ مِنَ الْخَاسِرِينَ

(سورة الزمر, Az-Zumar, Chapter #39, Verse #65)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) وَعَدَكُمُ اللَّهُ مَغَانِمَ كَثِيرَةً تَأْخُذُونَهَا فَعَجَّلَ لَكُمْ هَـٰذِهِ وَكَفَّ أَيْدِيَ النَّاسِ عَنكُمْ وَلِتَكُونَ آيَةً لِّلْمُؤْمِنِينَ وَيَهْدِيَكُمْ صِرَاطًا مُّسْتَقِيمًا

(سورة الفتح, Al-Fath, Chapter #48, Verse #20)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)