Relier Pairs Brown’s MLU stagesVersion en ligne Test yourself on Brown’s research on morphological acquisition by matching pairs of morphemes with the month age of mastery. par Som Person 1 Regular third person 2 Present progressive 3 Irregular past 4 Regular past 5 Possessive ‘s’ 6 Regular plural 19-28 25-46 28-50 26-40 27-33 26-48 1 Late I 2 Early I 3 Late III 4 Early III 5 Early II 6 Late II 31-32 27-28 28-30 22-26 12-22 33-34
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