(
课件网) 英语沪教版八年级上册 Unit5 Going on an exchange trip Lesson 3 Grammar 01 在语境中归纳总结现在完成时的含义和句型结构。 02 准确使用含有already、yet、ever、never等副词和since、for等词的现在完成时表达已经发生的事情。 03 通过小组合作与表达,增强跨文化意识与合作精神。 Learning Objectives 通过本课时的学习,学生能够: 重点 重点 Free talk Have you ever been to another city or country Yes, I have been to Beijing. / No, I haven’t. /... What did you do there I visited the Great Wall. / I ate delicious food. / ... Think and predict What do you think Eric has probably done in Beijing He has probably visited the Palace Museum. He has made new friends. ... Eric has been in Beijing for a week. Read and underline Read Eric’s email and underline the sentences with present perfect tense. Fill and learn Present perfect tense: to talk about actions we did in the recent past but _____ (have a result or an effect/have no result or no effect) in the present. past now I have just learnt how to play Go. I learnt how to play Go. I can play Go. have a result or an effect Reorder and fill Reorder sentences with the present perfect tense. Then fill in the blanks. 1. have/ how to play Go/ learnt/ I _____. 2. shown/ me/ He/ has/ the medals he won _____. 3. Wei/ been to/ the UK/ hasn’t _____. I have learnt how to play Go He has shown me the medals he won Wei hasn’t been to the UK. Reorder and fill Reorder sentences with the present perfect tense. Then fill in the blanks. I have learnt how to play Go. He has shown me the medals he won. Wei hasn’t been to the UK. How to form statements Positive I/We/You/They _____ learnt/ shown … _____ has Negative _____ haven’t been … He/She/It _____ have He/She/It I/We/You/They hasn’t haven’t = have not hasn’t = has not past participle Reorder and fill Reorder sentences with the present perfect tense. Then fill in the blanks. 4. learnt/ how to play Go/ Eric/ Has _____ 5. he/ has/ Yes, _____. Has Eric learnt how to play Go Yes, he has How to form questions Have _____ learnt(…) _____ he/she/it Short answers Yes, I/we/you/they have. he/she/it _____. No, I/we/you/they _____. he/she/it hasn’t. Has I/we/you/they has haven’t past participle The past participle of a regular verb is usually the same as its past tense form. You can find the past participles of some irregular verbs on pages 142~143. Read and circle Read the passage and circle already/yet/since and for in these sentences. Then fill in the blanks. Sarah has been in Beijing for a week. She has stayed with her host family since14 October. She has already tried a lot of local food in Beijing, but she hasn’t visited many places of interest. For example, she has not seen the Great Wall yet, and she has not been to the Summer Palace either. She hopes to go there next week. We use ever/ never/ already_____(after, before)have/has and _____ (after, before) the main verb. We usually use _____ (since, for) with a point in ti ... ...