八年级英语Revision A Unit 2课件外研版

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。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 havent been to Hong Kong.2. _ ? Yes. Ive eaten my dinner.3. _ ? Yes. Theyve arrived.4 _ ? Yes. Shes finished her homework.5 _? Yes. Weve cooked lunch.6 _? No. I havent watered the plants.7 _? No. I havent bought any fruit.8 _? Yes. Hes forgotten his hat.Ask and answer the questions about the pictures Listen and write.Listen and complete Mr Browns diary.SunMon TueWed ThuFriSat12345678910111213141516171819202122232425262728293031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.Theyve lived here _six years.2.I havent been to the zoo _ January.3.We havent eaten in that restaurant _ two months.forforsince4. Hi, I havent seen you _ that summer.5. Hes been in the library _five minutes.6. She hasnt played badminton _last year.7. I havent phoned my cousin _last year. 8. My father has been in bed _ three hours.forforsincesincesinceWork in pairs.Make sentences using the words in the boxes.live school film restaurant farmer healthyStudent A: Ive lived in Nanjing for six years. Student B: My uncle is a farmer.1. Conclusion2. Workbook .