Unit 1 Past and present Grammar 课件2025-2026学年译林版英语八年级下册

Unit 1 Past and present Grammar 1 Learning objectives 1 Lead in Presentation 3 Practice Production 5 Summary Assessment 7 Homework 2 4 6 8 By the end of the lesson, I will be able to... 1 2 3 learn present perfect affirmative, negative, questions and answers ; understand past participle formation for regular/irregular verbs ; use present perfect to write sentences/dialogues about experiences and changes . Learning objectives Millie just got some news about Shenzhen from her uncle. 2026 1980 Shenzhen was _______ many years ago. Shenzhen has become_________ __________ over 46 years. What was Shenzhen like many years ago? How has Shenzhen changed over many years years? small big and modern 2026 1980 He __________ college. He _________in Shenzhen since he _________ college.” What did Millie’s uncle do after college? How long has he lived in Shenzhen? finished has lived finished The transport was ______ before. The transport _______________a lot now. bad has improved 2026 1980 What was the transport like before? What was the transport like before? Presentation Go through “Grammar check” on page 157. Presentation Look at “Grammar check” on page 157. Presentation Look at “Grammar check” on page 157. Presentation We form the past participles of irregular verbs differently. Here are some examples on page 13. Presentation Pay attention to the structures of the positive and negative sentences in the present perfect tense. The workers have built 2 bridges recently. just 刚刚, 刚才 before 以前 recently 最近,近来 up to now / so far 到现在为止,迄今为止   I have seen her before. We have seen the film three times up to now/so far. once / twice/ three times… / how many times in /during/ over the past / last … years /…. He has just eaten the food. Many things have happened in/during/over the past three months. 1. I _______ ________ _________ Hong Kong. I went there last month. 2. ----Where is Millie? ----She_______ _______ _______ Beijing. 3. You can't find Mr Li. He _____ _____home. 4. Millie ______ _______ _______ South Hill many times. have been to has gone to has gone has been to 用have/has been to, have/has gone to和have/has been in形式填空。 5. Tom and Amy _____ never _______ ____ South Hill. 6. Kitty _____ _______ ______ Hong Kong with her family. They will come back next week. 7. ______ you ever ______ abroad? 8. I _______ ______ _______ Nanjing for about 5 years. 9. The foreigner _______ ______ ______ China since 2006. 10. Where ______ you ______? I can’t find you anywhere. have been to has gone to Have been have been in has been in have been for 和 since的用法: They have had the house for 10 years. = They have had the house since 10 years ago. 提问：How long have they had the house? 1. for + 段时间 = since + 段时间 + ago 现完 2. 提问： How long? He has been away from Beijing for a week. He has had a car since 2007. 短动词 长动词 短动词 长动词 长短动词的转换： 长短动词的转换 短V 长V 开始 (1) The film ______ (begin) 20 minutes ago. The film _____________ for 20 minutes began has been on (2) The parade __________ (finish) hours ago. The parade _____________ for hours. 结束 /end finished has been over Tip 1: 短动词用一过，长动词用现完 长短动词的转换 短V 长V 来/去/到 Kitty _______ Hong Kong two days ago. reached 离开 She left home last Tuesday. 长短动词的转换 短V 长V 借 She borrowed this book last week. How long can I ______ (借) this book? keep 买 buy have/has had I bought the car three years ago. I _____ _____ the car ______ three years ago. have had since Exercises has changed has turned has improved have moved built haven’t visited $