Types of Grammatical Errors Made by Students in Using Tenses in Writing Methodology Chapter of Thesis at UIN Mahmud Yunus Batusangkar
Sasty Mutiara Sari, Reg.No 1930104062, title of thesis: “Types of Grammatical Errors Made by Students in Using Tenses in Writing Methodology Chapter of Thesis at UIN Mahmud Yunus Batusangkar” English Teaching Department, Faculty of Tarbiyah and Teacher Training, State Islamic University (UIN) Mahmud Yunus Batusangkar. The issue in this study is the discovery of various types of grammatical errors made by students in using tenses in writing the methodology chapter of thesis. This study aims to investigate and analyze the grammatical errors made by students in using tenses in writing methodology chapter of thesis at UIN Mahmud Yunus Batusangkar who graduated in March and September of the 2022/2023 academic year. In this study, a qualitative method with a content analysis design were used. The data in this research were taken from the document of methodology chapter of thesis written by students who graduated in March and September of the 2022/2023 academic year. The researcher obtained these documents from the library at UIN Mahmud Yunus Batusangkar. To determine the data sources, the researcher used purposive sampling. The main instrument of this research was the researcher. In this study, the researcher conducted a documentary study as the documents were the only objects analyzed. The research findings indicate that there are four types of grammatical errors made by students in using tenses in writing methodology chapter of thesis identified in this study: First, omission errors. Omission of suffix –ed in the regular verb, the omission of to be was/were. Second, addition errors. Addition of will, addition of would, addition of to be was, and addition of have/has. Third, misformation errors. Misformation of using present tense (V1) instead of past tense (V2), misformation of to be :was/were, misformation of using the wrong form of irregular verbs, misformation of using had, misformation of using present participle (v-ing) instead of the past tense (V2), and misformation of using noun instead of past tense (V2).Fourth, misordering. Misordering in sentences. The most common type of grammatical error made by students in using tenses in writing methodology chapter of thesis was the misformation of to be:was/were.