新概念英语第一册83-84课课件
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语法聚焦:现在完成时一、用法: 1) 表示在过去不确定的时间里发生的并与现在有着某种联系的动作;对现在有影响I have already finished my homework,so I can watch TV now. 我已经做完了我的家庭作业了2)也可以表示开始于过去,并且持续到现在的动作。
I have lived in Xi’an since 2000.I have lived in Nantong for three years.3 ) 表示次数。
I have read the book twice.I have watched it three times sa far.二、结构肯定否定疑问句:回答:三、过去分词的变化规则1)规则变化2)不规则变化四、时间状语肯定:already, so far, since, for, just , before否定yet现在完成时的练习1.A:Is it raining at the moment? B: _________________(it/just/stop)2.I can’t find my keys. ________________(you/see) them?3.A:Where’s your dictionary?B:I don’t know. It _____________ (it/disappear)4.A: Let’s go and see “Lions of Africa” at the Cannon cinema.B: ____________________(I/already/see) it.A:Oh, well, _______________ (you/see) “Mr Beans”?B:No, let’s go there.5.A: Please can I have my book back?B:Oh, dear. ______________________(I/not/finish) it.6.A: Are Steve and Martha at home? B: No, ________________________(they/go) out.7.John looks thinner. _________________________(he/lose) weight.8.A: Is Sally enjoying her new job?B: I don’t know. ________________________ (I/ not/hear) from her.9.Mary, you’re late. I was worried about you. Where _______________________ (you/be)?10.A: How many times ______________________________(you/take) your driving test?B: Twice. My third one s next week.11.This music is new to me. I’m sure __________________(I/not/hear) before.ListeningCAROL: Hello, Sam.__________________.TOM: Hi, Sam.__________________.Do you want to have lunch with us?SAM: No, thank you. Tom.I've already had lunch._____________________________.CAROL: Have a cup of coffee then.SAM: __________________________, thank you.I had one after my lunch.TOM: Let's go into the living room,Carol.We can have our coffee there.CAROL: Excuse the mess, Sam._________________________________.We're packing our suitcases.We're going to leave tomorrow.______________________________________.SAM: Aren't you lucky!TOM: When are you going to have a holiday, Sam?SAM: I don't know._______________________________.CAROL: Where did you go?SAM: I stayed at home!KEY PHRASES1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.。