【优选整合】人教版八年级下册英语 unit9 第3课时 课件1(共31张PPT).ppt

我去过北京两次。 I _____ ______ _____ Beijing twice. 2. 旅客已经上船了吗？ ________ the passengers ______ on board yet? 3. 这个故事如何结束？ How did the story _______ ______? has been to Have Complete the sentences. end up gone 4. 昨天他没有去那儿，我也没去。 He didn’t go there yesterday. ______ ________. 5. 你听说过太空站吗？ Have you ever ______ __________ the space station? Me neither heard of/about Have you ever been to a science museum? 肯定回答：Yes, _____________ a science museum. 否定回答：No, ________________ a science museum. 提问：_____ you ever visited the space museum? Yes, I have. I went there last year. No, I haven’t. I’ve been to I’ve never been to Have ___________ the art museum many times. Me, too. And _______________ the nature museum. 我去过艺术博物馆很多次。 我也是。我还去参观过自然博物馆。 _________________ a water park. Me neither. 我从来没有去过水上乐园。 我也没有。 I’ve never been to I’ve been to I’ve also visited 肯定式 否定式 I/You/We/They have finished the work. He/She/It has finished the work. I/You/We/They have not finished the work. He/She/It has not finished the work. 构成：have(助动词) + p.p has(第三人称单数助动词) + p.p 疑问式 回答 Have I/you finished the work? Has he/she finished the work? Yes, you/I have. No, you/I haven’t. Yes, he/she has. No, he/she hasn’t. have not 常缩略为 haven’t。 has not 常缩略为 hasn’t。 Have you had your lunch yet? Yes, I have. I have just had it. (现在我不饿了) 表示过去发生或已经完成的动作对现在造成的影响或结果。 I have already taught him some English. John has never been to the space museum. My boy has just started junior high school. 现在完成时常与时间副词already, never, ever, just, before, yet等连用。 ever 意为“曾经”，用于______句或____句中，放在助动词与过去分词之间。 e.g. Have?you?ever?been?to?Hong?Kong? 你曾去过香港吗？?? I?haven’t?ever?spoken?to?her. 我未曾和她说过话。?? 疑问 否定 never意为“从来没有”常与before连用，多放在助动词与过去分词之间。?? e.g. I?have?never?travelled?by?plane?before. 我以前从来没有乘飞机旅行过。?? 比较：He has been to Beijing.