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