AO1 CLA sheet

What are the four pre linguistic stages of talk in order

Vegetative, cooing, babbling, proto words

What age does vegetative speaking occur

0-4 months

What age does cooing occur

4-7 months

What age does babbling occur

6-12 months

What age does proto words occur

9-12 months

Who came up with the pre linguistic stages of talk table and when

Crystal in 1996

What’s a phenome

Smallest unit of sound you can break words into

What’s a morpheme

Smallest unit of meaning

What’s a bound morpheme

Can only appear as part of a larger word

What’s a free morpheme

Can stand by itself

What does a derivational morpheme refer to

Refers to a meaning

What does an inflectional morpheme refer to

Refers to a tense

When does a prefix occur

Before a word

When does a suffix occur

After a word