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 Possessive ‘s’ 2 Regular plural 3 Irregular past 4 Regular past 5 Regular third person 6 Present progressive 27-33 28-50 26-48 19-28 25-46 26-40 1 Late I 2 Late II 3 Early I 4 Early III 5 Early II 6 Late III 28-30 33-34 27-28 22-26 31-32 12-22
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