وَكُنتُمْ أَزْوَٰجًا ثَلَـٰثَةً
Wakuntum azw a jan thal a tha tan [on that Day,] then, shall you be [divided into] three kinds.
 - Mohammad Asad
Then you shall be divided into three groups:
 - Muhammad Farooq-i-Azam Malik
you will 'all' be 'divided into' three groups:
 - Mustafa Khattab
And ye will be three kinds:
 - Marmaduke Pickthall
And ye shall be sorted out into three classes. 5225
 - Abdullah Yusuf Ali