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Common errors: The present perfectI have been here since two years.
I have been here for two years.
I have done it yesterday.
I did it yesterday.
I didnt see him lately.
I havent seen him lately.
Have you ever went to Japan?
Have you ever been to Japan?
When do I use the present perfect?1. We use the present perfect to talk about things that started in the past and continue into the present and/or the future. We use the present perfect +forto show how long something has lasted.Ive hadthis car for ten years.Hehas beena student at this universityforthree years.We use the present perfect +sinceto show when something started.Ive hadthis carsince1998.Hehas beena student as this universitysince2005.2. We use the present perfect when we don't know when something happened or when it's not important when something happened.Ive eatenmy lunch.Theyve boughta house.3. We use the present perfect to talk about things that have happened during a period of time that has not ended yet.Ive eatenthree cakestoday.Weve had four exams this week.4. We use the present perfect +yetto talk about something that has not happened before now. Note:yetusually comes at the end of the sentence.Shehas not graduatedfrom universityyet.Haveyou finished your exams yet?5. We use the present perfect +alreadyto talk about something that has happened sooner than we expected. Note:alreadyusually comes between have/hasand the past participle.Shehas already graduatedfrom university.Haveyoualready finishedyour exams?6. We use the present perfect +everto ask questions about experience.Haveyouever drivena Ferrari?Hashe ever been to China?We use the present perfect +neverto answer questions about experience negatively.No, Ive never driven a Ferrari.No, hes never been to China.