However , the Georgian language is the singular form when the quantity is specified , so that in practice the plural of `` tetri '' only uses '' tetri `` . However , the Georgian language is the singular form when the quantity is specified , so , in practice the plural of `` tetri '' uses just `` tetri '' . The Georgian language , however , uses the singular form when the number is specified , so in practice the plural of `` tetri '' is only `` tetri '' .