Explanation
What is The Core Idea of Verb Tense? A verb tense tells: When an action happens, and Whether the action is completed, ongoing, repeated, or connected to another action. Verb tense questions on standardized tests test whether you can understand time relationships, keep tense consistency, recognize sequence of events, and avoid unnecessary tense shifts. Present Tenses Simple Present: Used for general truths, scientific facts, habits, routines, and academic writing (discussing articles, novels, historical arguments). SAT Favorite: Scientific facts ALWAYS stay in simple present, even if the sentence starts in past tense. (e.g., Researchers discovered that sleep improves memory.) Present Continuous (am/is/are + -ing): Used for actions happening now, temporary situations, or developing trends (e.g., Climate conditions are changing rapidly.) Note: "Stative verbs" (need, know, believe, prefer) are rarely continuous. Present Perfect (has/have + past participle): Past action with a present connection. Used for experience, recent changes, or an unfinished time period. Very Important Test Rule: Do NOT use present perfect with finished past time. (Wrong: She has graduated last year. Correct: She graduated last year. ) Present Perfect Continuous (has/have been + -ing): Shows duration from the past until now. Past Tenses Simple Past: Finished past action or a sequence of actions. (She graduated in 2024.) Past Continuous (was/were + -ing): Ongoing action in the past, interrupted action, or…