1. A morpheme that cannot stand alone as an independent word and must be attached to another morpheme or word to convey meaning
In the word 'unhappy', both 'un-' and '-y' are bound morphemes because they cannot function independently
Na palavra 'infeliz', tanto o prefixo 'in-' quanto o sufixo '-iz' são morfemas ligados porque não podem funcionar independentemente
2. A linguistic unit that requires combination with other morphemes to create meaningful words, including prefixes, suffixes, and infixes
The suffix '-ing' in 'running' is a bound morpheme that indicates the present participle form
O sufixo '-ando' em 'correndo' é um morfema ligado que indica a forma do gerúndio