Tenses: Explanation in Short (Class 9)Tenses indicate the time of an action or event. In English, tenses are divided into three main types: Present, Past, and Future. Each type is further divided into four aspects:1. Present Tense: Action happening currently or habitually.o Simple Present: She reads every day.o Present Continuous: She is reading right now.o Present Perfect: She has read five books.o Present Perfect Continuous: She has been reading for an hour.2. Past Tense: Action that happened in the past.o Simple Past: She read yesterday.o Past Continuous: She was reading when I called.o Past Perfect: She had read the book before the test.o Past Perfect Continuous: She had been reading for an hour when I arrived.3. Future Tense: Action that will happen in the future.o Simple Future: She will read tomorrow.o Future Continuous: She will be reading at 5 PM tomorrow.o Future Perfect: She will have read by 6 PM.o Future Perfect Continuous: She will have been reading for an hour by 6 PM. Tenses: Error Correction, Fill in the Blanks, and Matching for Class 9Here are some examples related to error correction, fill in the blanks, and matching exercises for practice on tenses. 1. Error Correction (Identify the mistake and correct it)Example 1:She have been waiting for an hour.Error: haveCorrection: She has been waiting for an hour.Example 2:I was play cricket when it started raining.Error: was playCorrection: I was playing cricket when it started raining.Example 3:He had already finished his homework before I come.Error: comeCorrection: He had already finished his homework before I came.Example 4:By the time I reach the station, the train had left.Error: had leftCorrection: By the time I reach the station, the train will have left. 2. Fill in the Blanks with the Correct Form of the VerbExample 1:She ______ (go) to the market yesterday.Answer: wentExample 2:By next year, we ______ (complete) the project.Answer: will have completedExample 3:When I arrived, they ______ (have) dinner.Answer: were havingExample 4:She ______ (study) for two hours when I called her.Answer: had been studyingExample 5:I ______ (never/see) such a beautiful place before.Answer: have never seen 3. Matching Exercise: Match the sentence with the correct tenseColumn A1. By the time we reach there, the movie will have started.2. I was walking when I met her.3. He has been working all day.4. She will be traveling to London next week.5. They have lived in this city for 10 years.Column Ba) Future Perfectb) Present Perfect Continuousc) Future Continuousd) Simple Paste) Present PerfectAnswer:1 - a) Future Perfect2 - d) Simple Past3 - b) Present Perfect Continuous4 - c) Future Continuous5 - e) Present Perfect 4. Choose the Correct OptionExample 1:He ______ (has/have) finished his homework already.Answer: hasExample 2:By next month, they ______ (complete) the project.Answer: will have completedExample 3:She ______ (is/are) studying when I called.Answer: was 5. Fill in the Correct Tense for the Given SentenceExample 1:By the time we get to the airport, the flight ______ (leave).Answer: will have leftExample 2:When I was young, I ______ (play) football every weekend.Answer: playedExample 3:She ______ (study) since morning.Answer: has been studyingExample 4:I ______ (never/see) a movie like that before.Answer: have never seen