Unit 1 Relationships Lesson 1 Teachers 现在完成时&过去完成时导学案-2024-2025学年高中英语北师大版（2019）选择性必修第一册

Present Perfect&Past Perfect 哪吒闯关之解锁法宝 天劫将至，四海翻腾，陈塘关百姓危在旦夕…… 而此刻哪吒正被复杂的语法咒语锁住，只有正确破解语法谜题才能放生，你需要集齐【混天绫、火尖枪、乾坤圈、风火轮】四大法宝并赋能，才能唤醒哪吒神力。 Step1: 1. I ______________ (drive) for thirty years, and I’m not going to stop now. 2. It's reported that the temperature___________(climb) quickly since this morning. 3. Since 2011, the country________(grow) more corn than rice. 4. In the last five years, Cao ______________(walk) through 34 countries in six continents. 恭喜你，解锁法宝：混天绫 Step2： 用法1：强调过去某一动作发生在另一动作之前，即“过去的过去” Hong Kong _________(return) to China in 1997. Macao __________(return) to China in 1999. Hong Kong ____________(return) to China before Macao came back to China. 用法2：表示一个动作或状态从过去某一时间之前已经开始，此动作一直持续或将继续下去。 I ____________(learn) English for 10 years when I graduated. He ____________(stay) here for two days before he left. 恭喜你，解锁法宝：火尖枪 Step3： 过去分词的变化 规则变化 不规则变化 动词原型 过去式 过去分词 动词原型 过去式 过去分词 be leave have know do drink come eat go choose take break make fly 恭喜你，解锁法宝：乾坤圈 Step4 1. It was/ had been+一段时间+ since从句，从句用_________时； It is/ has been+一段时间+ since从句，从句用_________时。 It was ten years since we ________(have) such a wonderful time. 我们十年没这么高兴了。 It is three years since he ________(join) the army. 他参军已经三年了。 2. It is the first/ second/time+that从句，从句用_________时； It was the first/ second/time+that从句，从句用_________时。 It is the first time that I __________(be) here. 这是我第一次到这里来。 It was the first time that he ____________(listen) so attentively. 这是他第一次那么认真地听讲。 3. That/This/It is/was+the+最高级+名词+定语从句，从句常用完成时。 This is the best film that I . 这是我看过的最好的一部电影。 That dinner was the most expensive meal we . 那是我们吃过的最贵的一顿饭。 恭喜你，解锁法宝：风火轮 你已经集齐四大法宝，现在将全部法宝赋能，就能唤醒哪吒神力。 1. I washed my hands after I ___________ (clean) the dishes. 2. By now, the bird _________(make) many swan（天鹅）friends there, and it is living a happy life. It’s really a happy ending. 3. My life ________(be)very miserable（悲惨的）since she died. 4. John _________ (be) an artist before he _________ (become) a musician. 5. Where _________ (you/be) after I _________ (see) you at the park? 6. My grandparents __________ (know) each other for a year before they _______ (get) married. 7. My sister _________ (play) a lot after she ___________ (finish) the midterm exam. 8. How many coffees _____________ (she/drink) before the interview? 9. It has been three years since he ________(leave) Beijing. 10. It was just a week since I ____________(arrive) here. 11. This is the first time that I ____________(hear) him sing. 12. I was lucky because that was the first time that I ____________(not work) on a Saturday. 13. This is the most unforgettable person I _________(have) in all these years. 恭喜你，被赋予神力的四大法宝发出耀眼光芒，射向被语法咒语锁住的哪吒，哪吒神力觉醒，准备迎接天劫，拯救陈塘关百姓！ 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$