Tom is looking for his key to his bike.He can’t find it .He has lost his key to his bike.He lost it a short time ago and he still doesn't have it. He can’t ride his bike to go to school.He looks worried. Definition Definition 2. 过去某一时间点发生的动作持续 到现在或还将持续下去。1. 过去某一时间点发生的动作对现在产生影响。I have learned English for ten years.I have learned English for ten years.We have visited your school before.We have visited your school before.He has lost his key to his bike.He has lost his key to his bike.He has lived in London since ten years He has lived in London since ten years ago.ago. have / has + past participle A: I’ve looked at your resume. I see you work in a hotel. B: Yes, I do. A: How long have you had this job ?B: I’ve had this job for only a shot time. But I have a lot of experience in the hotel business. In fact, my parents own a hotel in Mexico. A: How long have your parents owned a hotel?B: Most of their lives. A: Have you seen your parents recently ?B: Yes, I have. My mother has been to the U.S. a few times to see me. But my father has never been here because someone has to stay at the hotel all the time. He’s told me many times, “When you are an owner of a business ,you don’t have time for vacations. ” But I don’t want to be an owner now. I just want a job as a manager. Have you filled the position yet ?A: No, I haven’t. I’ve already interviewed several people … A: ______ your brother _________ a new watch? (buy )B: Not yet.Key Key wordswordsHas bought yet A: _______ you ever _______ to the park? ( be )B: Yes, I went there last summer. Key Key wordswordsHave been yet ever I ______ never ______ of anything...
