The study aimed to determine the effectiveness of the Language Enhancement Through Active Developmental Sessions (LEADS) a teaching strategy in improving mastery of subject-verb agreement rules. The researcher utilized a quantitative research approach with a quasi-experimental design. The study's respondents were 43 Grade 10 Learners from General Luna National High School, General Luna, Quezon. The researcher administered validated self-developed assessments and employed descriptive statistics, including mean, standard deviation, frequency, and percentage, as well as the T-test, to analyze the gathered data. The findings of the study revealed that the overall performance of the learners in the pretest was low, with a mean score of 11.12%. The result indicated that most grade 10 learners were underdeveloped in the mastery of subject-verb agreement rules. In contrast, the learners achieved the passing score in the posttest with a mean rating of 18.37%. It indicates that among 43 respondents, 95.4% demonstrated a high understanding of the rules of subject-verb agreement, indicating proficiency overall. When the pretest and posttest scores were compared, the results revealed a significant difference in the mastery of subject-verb agreement rules among grade 10 learners when the LEADS teaching strategy is used. The p-value was 0.0001, it was less than 0.05, indicating significance. The result connotes that implementing the LEADS strategy increases learners’ grammatical awareness and improves grammatical competence, especially in mastering the rules of subject-verb agreement. Based on the findings of the study, an instructional material in the form of a module was proposed to maintain grammatical competence, specifically in the rules of subject-verb agreement.
Obel et al. (2026) studied this question.