¹  consistently performing their prayers;  Dr. Mustafa Khattab

²  [and] who incessantly persevere in their prayer  Muhammad Asad

³  Those who are constant at their prayers.  Talal Itani

⁴  and are constant in their Prayer;  Maududi

⁵  Those who remain constant in their Salat (prayers);  Muhsin Khan

⁶  and are constant in their prayers;  Muhammad Abdel Haleem

⁷  those, they are ones who continue with their formal prayers  Dr.Leila Bakhtiar

⁸  Who are constant at their worship  Marmaduke Pickthall

⁹  Those who are constant in their prayer  Sahih Int.

¹⁰  Those who remain steadfast to their prayer;  Yusuf Ali

¹¹  those who [they] at their prayer (are) constant,  Word by Word