八年级英语Revision A Unit 2课件外研版.ppt

现在完成时现在完成时 (Present Perfect)结构：结构：has + done, have + done概念与标志语：概念与标志语：1）表示过去发生的动作影响到现在，与）表示过去发生的动作影响到现在，与already, yet, ever, never, just, before连用2）表示过去发生的动作持续到现在，常与）表示过去发生的动作持续到现在，常与for+时间段时间段, since+过去时间，提问用过去时间，提问用How long. Read and write.Read the answers. Then write the questions.1. Have you been to Hong Kong ? No. I haven’t been to Hong Kong.2. ______________________________ ? Yes. I’ve eaten my dinner.3. ______________________________ ? Yes. They’ve arrived.4 _______________________________ ? Yes. She’s finished her homework.5 ________________________________? Yes. We’ve cooked lunch.6 ________________________________? No. I haven’t watered the plants.7 ________________________________? No. I haven’t bought any fruit.8 ________________________________? Yes. He’s forgotten his hat.Ask and answer the questions about the pictures Listen and write.Listen and complete Mr Brown’s diary.SunMonTueWedThuFriSat12345678910111213141516171819202122232425262728293031现在完成时表示过去已经开始，持续到现在的动现在完成时表示过去已经开始，持续到现在的动作或状态。

可以和表示从过去某一时刻延续到现作或状态可以和表示从过去某一时刻延续到现在（包括现在在内）的一段时间的状语连用在（包括现在在内）的一段时间的状语连用Since 用来说明动作起始时间，用来说明动作起始时间，for用来说明动作用来说明动作延续时间长度延续时间长度 例如：例如：She has learnt English for 3 years.They have lived here since 1990.I have lived here since I was born. I have not heard from my uncle for a long time.　　 Complete the sentences with ‘ for’ or ‘ since ’ .1.They’ve lived here _______six years.2.I haven’t been to the zoo ______ January.3.We haven’t eaten in that restaurant _______ two months.forforsince4. Hi, I haven’t seen you ______ that summer.5. He’s been in the library ______five minutes.6. She hasn’t played badminton ______last year.7. I haven’t phoned my cousin ______last year. 8. My father has been in bed ______ three hours.forforsincesincesinceWork in pairs.Make sentences using the words in the boxes.live school film restaurant farmer healthyStudent A: I’ve lived in Nanjing for six years. Student B: My uncle is a farmer.1. Conclusion1. Conclusion2. Workbook .2. Workbook .。