
Transcribed language samples undergo a coding process for various grammatical morphemes.
Morpheme use is used as an indicator of a child’s language levels.
List of general codes:
• Third person present tense:/3s
He plays = he play/3s
• Possessives: /z
Mary’s = Mary/z
• Regular past tense: /ed
Yesterday, he walked = yesterday, he walk/ed
• Present progressive: /ing
Driving = drive/ing
• Negatives: /n’t
Can’t = can/n’t
• Third person, present tense irregular: [3irr]
She has = she has [3irr]
Hasn’t = has/n’t [3irr]
• Past irrregular: [ptirr]
I did = I did [ptirr]
He ran = He ran [ptirr]
• Contractible copula: [concop]
She is a doctor = she is [concop] a doctor
• Uncontractible copula: [unconcop]
She was a doctor = she was [unconcp] a doctor
•Contractable auxillary: [conaux]
She’s playing = she/’s [conaux] play/ing
• Uncontractable auxillary: [unconaux]
She was playing = she was [unconaux] play/ing