In the world of language learning, the age-old debate continues: Can adults truly master a second language’s grammar? An interesting literature review of recent research in Frontiers of Psychology takes another look at this question, providing insights that challenge conventional wisdom on late language acquisition.
Key Insights:
Critical Period Hypothesis (CPH): The article revisits the CPH, which suggests that language learning is easier during childhood, with a decline in potential after puberty. While the ease of acquisition may decrease, the evidence seems to suggest that adults can still achieve high levels of grammatical accuracy, even if native-like proficiency is rare.
Grammatical Challenges: Certain grammatical structures, such as the use of articles (e.g., “the,” “a”) & complex verb tenses, can be particularly challenging for adult learners. However, studies suggest that with focused effort, simpler structures like basic subject-verb agreement can be mastered.
Learning Variability: Success in grammar acquisition varies widely among adult learners, depending on factors such as their L1, exposure to the second language & instructional methods. For example, learners whose native language shares similarities with the second language’s grammar are likely to find it easier to grasp certain concepts.
Learning Strategies: The article discusses how adults often rely on explicit learning strategies, such as memorizing rules & applying them in practice exercises. Unlike children, who might acquire grammar implicitly through immersion, adults benefit from structured learning.
Motivation & Environment: The role of motivation & a language-rich environment is obviously key. Adults who are highly motivated, particularly those who need the language for work or social integration, tend to make significant progress. Immersion in a language-rich environment further accelerates grammatical acquisition.
Check out the original article for the bibliography. These studies provide a robust foundation for the article’s conclusions, indicating that while age can be a factor in language learning, with the right strategies & motivation, adults can still successfully acquire second language grammar.
Teacher Takeaways?
- Contextualize Grammar Instruction: Shift focus from isolated grammar drills to integrating grammar into meaningful communication tasks. For instance, teaching verb tenses through storytelling or describing past experiences can make grammar more relatable & memorable.
- Harness Explicit Learning: Adult learners can benefit greatly from explicit grammar instruction. Feedback on their output with reference to rules can have a positive effect. In general learners feel like they aren’t given enough explicit guidance in terms of accuracy.
- Set Realistic Goals & Celebrate Progress: Understand that perfection isn’t the goal. Instead, focus on steady progress & celebrate small victories, like mastering a challenging tense or improving sentence structure. This approach keeps learners motivated & reduces frustration.
Do you have any success stories of late L2 acquisition in your classes?



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