RT info:eu-repo/semantics/masterThesis T1 Bilingual Acquisition and Developmental Patterns A1 OULAARBI, SOUFYA A2 Universidad de Valladolid. Facultad de Filosofía y Letras K1 Bilingual K1 5701.11 Enseñanza de Lenguas AB This paper looks at how children learn and develop two languages. It focuses on the effects ofage, practice, and social environment on bilingual development. The study combines surveysand observations to understand how children learn both languages and what challenges theyface. It shows that early use of two languages helps children become fluent, while learning asecond language later can be harder, especially for grammar and pronunciation. The paper alsoshows how family and community play an important role in helping children learn and keepboth languages. The study gives ideas on how to support bilingual learning at home and atschool and highlights the need for balanced exposure to both languages to avoid losing skills inone. YR 2025 FD 2025 LK https://uvadoc.uva.es/handle/10324/79715 UL https://uvadoc.uva.es/handle/10324/79715 LA eng NO Departamento de Filología Inglesa DS UVaDOC RD 15-nov-2025