Grammatical errors are relatively rare in the children’s speech but they are most common in the age of 3; 6–4; 0 (3% of the total number of words) and decrease around the age of 4; 6–5; 0 (1,4% of the total number of words).
Málfræ " ivillur eru hlutfallslega sjaldgæfar í máli barnanna en #ær eru algengastar á aldrinum 3; 6–4; 0 ára (3% allra or " a) og fækkar #eim umtalsvert vi " 4; 6–5; 0 ára aldur (1,4% allra or " a).