Article Code: 5248604 Authors: E. Dela Peña, Maria Title: Linguistic Errors In Written Discourse Journal: RECENT EDUCATIONAL RESEARCH Volume: 1 Year: 2023 Issue: 2 Article Number: 5248604 URL: https://guinnesspress.org/publication/journal/rer/5248604 ISSN: 2996-2366 Abstract: This Study Generally Aimed To Determine The Linguistic Errors Of Grade 11 Students In Biliran Province State University-Laboratory High School (BiPSU-LHS) In Their Written Discourse, SY: 2021-2022. Utilizing The Descriptive-Correlational Research Design, This Study Elicited Data From The 33 Students Of BiPSU-LHS. Findings Revealed That Most Grade 11 Senior High School Students In BiPSU-LHS Spent 1-3 Hours In Watching English Videos Per Week. On The Other Hand, Most Of The Grade 11 Senior High School Students In BiPSU-LHS Only Spent 15 Minutes To 1 Hour In Reading English Materials Per Week. Moreover, The Most Common Syntactic Error Committed By The Grade 11 Students In The Written Discourse Was The Use Of ‘Wrong Or Missing Prepositions; Most Common Morphological Error Committed By The Grade 11 Students In The Written Discourse Was The Use Of ‘Contraction;’ And Most Common Technical Errors Committed By The Grade 11 Students In The Written Discourse Was Poor Punctuation. Hence, There Is A Significant Relationship Between The Profile Of The Grade 11 Senior High School Students And Their Syntactic Errors, Morphological Errors, And Technical Errors Committed. Based On The Overall Observation And Analysis Of The Data Gathered, The Researcher Concluded That The Grade 11 Students In Biliran Division During The School Year 2021-2022 Have Committed Linguistic Errors In Their Written Discourse, Such As: Syntactic, Morphological, And Technical Categories. DOI: 10.59762/rer904105361220231220143126