Unit 1 Past and Present课件5.ppt

1、,8B Unit1 Past and Present,Task 1 Revision,1.Have a dictation . 2.Have a talk with the students by using the present perfect tense.,过去分词的构成 一、规则变化 1、直接加 ed looked watched 2、以不发音的e结尾的，加 d changed moved 3、以辅音字母加y结尾的，变y为i，加-ed studied carried 4、重读闭音节，一元加一辅，双写辅音字母，加-ed planned dropped stopped 二、不规则变化 见课

2、本第121页。,Say the past participles of the following verbs.,finished,watched,travelled,repaired,lived,owned,seen,given,written,made,heard,become,Task 2 Practice,Where is the railway station?,Tourist: Excuse me, I _ (lose) my map. I want to go to the railway station, but I cant find it. Its next to the

3、clock tower, isnt it? Millie: The railway station _ (be) there years ago, but Im afraid its not there any more. Tourist: Oh, really? I _ (not visit) Sunshine Town for a very long time. Things _ (change) a lot over the years.,have lost,was,havent visited,have changed,Millie: Youre quite right. Things

4、 have changed a lot. _ you _ (see) our new park? Tourist: Yes, I_ just_ (see) it. The park is so big and beautiful. Millie: Yes, it is. It _ (become) a new tourist attraction in Sunshine Town. Now, let me show you how to get to the railway station,Have,seen,have,seen,has become,Ask and answer the qu

5、estions: 1. Where is the railway station in the past? 2. How is the new park? 3. Does Millie show the tourist the way to the railway station?,Useful expressions Its next to the clock tower, isnt it? 反义疑问句:1陈述部分肯定式+疑问部 分否定式2陈述部分否定式+疑问部分肯定式e.g.They work hard, dont they? She was ill yesterday, wasnt sh

6、e? You didnt go, did you? He cant ride a bike, can he?,Now, let me show you how to get to the railway station. 1.how to get to the railway station 怎样去火车站，疑问词how+动词不定式作 宾语。 例如：He ll tell you what to do next. 他会告诉 你下一步做什么。 We havent decided where to go for a holiday . 我们还没决定去哪儿度假。 2.get to=arrive in/a

7、t =reach 到达,Act the dialogue out,Excuse me, Where is the railway station?,Complete the following dialogue,A: Excuse me, could you _(tell) me the way to the post office? I _ (lose) the way. I want _(post) the letter. The post office _（be）here in the past. But now Im afraid it _ (move). B: Yes, go dow

8、n this street, then_ (turn) left at the first crossing. At the end of the road you _(find) it.,A: How far is it from here？ B: Its about twenty minutes _ ( walk). A: Can I take a bus? B: Yes. A: Thank you. Things _ (change) a lot in this city. I _ (be) here twice. People here are very friendly. B: No

9、t at all.,Complete the following dialogue,A: Excuse me, could you _(tell) me the way to the post office? I _ (lose) the way. I want _(post) the letter. The post office _（be）here in the past. But now Im afraid it _ (move). B: Yes, go down this street, then_ (turn) left at the first crossing. At the e

10、nd of the road you _(find) it.,tell,have lost,to post,was,has moved,turn,will find,A: How far is it from here？ B: Its about twenty minutes _ ( walk). A: Can I take a bus? B: Yes. A: Thank you. Things _ (change) a lot in this city. I _ (be) here twice. People here are very friendly. B: Not at all.,wa

11、lk,have changed,have been,现在完成时的构成和用法： 助动词 have / has + 动词的过去分词 ( Past Participle ) 指的是动作发生在过去某一时刻并已结束，但该动作对现在产生了影响，与现在情况具有因果关系。 指的是动作开始于过去某一时刻，一直延续到现在，或可能还要继续下去。,Task 3: Summary,一般过去时的用法： 表示过去某个时间发生的事、存在的状态或经常发生的动作。说话的侧重点只在于陈述一件过去的事情，不强调对现在产生的影响。 现在完成时和一般过去时的区别 (1)两者都可表示过去发生过的动作，但前者表示的是过去的动作对现在的影响，

12、而后者则是表示过去动作的事实。 (2)两者都可表示过去开始并延续了一段时间的动作，现在完成时含义为该动作仍在继续，而一般过去时则说明该动作现已终止。如： He has lived in Beijing for four years.他在北京住了四年了。（动作仍在继续） He lived in Beijing for four years.他在北京住了四年。（动作已结束）,Task 4 Memory,Each group should finish your task in 2 or 3 minutes.,1.过去曾经做过某事2.不同的时代3.历史课题4.事实上5.结婚,1.水污染 2.下中国象

13、棋 3.在某种程度上 4.感到寂寞 5.时常,1.搬到（出）某地 2.变化很大 3.在过去 4.变成 5.市场小摊,1.新鲜空气 2.独立地 3.带来好处 4.投入使用 5.不再,Put them into English.,used to do sth,at different times,history project,in fact,get married,Group 1:,Group 2:,water pollution,play Chinese chess,in some ways,feel lonely,from time to time,Group 3:,move to (out

14、 of ) sp.,change a lot,in the past,turn into,market stall,Group 4:,fresh air,on ones own,bring advantages,be in use / service,no more / longer ; not any more /longer,Task 5 Have a try !,Try to finish the sentences with the right forms of the phrases .,look like ,look healthy,cold,chat with,agree with 1.Today is much _ than yesterday.The wind is so strong. 2.I m afraid I cant _you.I have my own idea. 3. Dont spend too much time _ friends on the Inter