《8Bunit1Grammar.ppt》由会员分享，可在线阅读，更多相关《8Bunit1Grammar.ppt（26页珍藏版）》请在三一文库上搜索。
1、8B Unit 1 Past and Present Grammar,Learning aims:,1. Master the structure and basic usage of present perfect tense (PPT). （掌握现在完成时的基本结构、用法。）2. Learn the rules of forming the past participle of verbs.（学习动词的过去分词变化规则。）3. Learn some time expressions usually used in PPT.（学习常用在现在完成时里的时间表达方式。）,How long has
2、 Mr. Chen lived in Sunshine Town?2. What has the government done to part of the town center?3.Why does Mr. Chen think it is impossible to see his old friends as often as before?,Step1: Lead-inAsk and answer,He has lived there since he was born.,The government has turned part of the town center into
3、a new park.,Because his friends have moved away.,Pre task:Learn on their own and answer When do we use present perfect tense?,We use the present perfect tense to talk about an action that started in the past and continues to the present.表示过去开始，现在还在继续的动作。,We use the present perfect tense to talk abou
4、t an action that happened in the past and has a connection with the present.表示过去发生的或已完成的动作对现在造成的影响或结果。,Past,present,Eddie has eaten my food.,Eddie ate the food and now Hobo has nothing to eat.,We also use the present perfect tense to talk about how many times an action has happened till now.谈论动作已经发生
5、了很多次。,I have already read this book many times.,We use the simple past tense to talk about what happened at a definite time in the past.（一般过去时谈论在过去的特定时间发生的事）,Step3: While taskTask1: Group workMake a conclusion about the basic structure of PPT,Have/ Has + 主语 + 动词的过去分词,一般疑问句,Adverbs of time,already: 肯
6、定句，表示已经发生ever: 疑问句，表示“曾经”for: 肯定句/疑问句/否定句，表示一段时间just: 肯定句，表示“刚刚”never: 否定句，表示“从不”recently: 肯定句/否定句/疑问句，表示“最近”since: 肯定句/否定句/疑问句，表示“自-以后”yet: 疑问句/否定句，表示“已经”或者“还没有”,Exercises,1. I _(have) lunch already.2. Has the train_ (arrive), yet?3.Tome _ never_ (be to ) China.4. The twin _just _(see) my father.5.
7、 The twins _(see) my father just now.,have had,arrived,has,been to,has,seen,saw,1 Have you done your homework _ ? ( for, just, yet)2 I have _ been to Chengdu. ( for, never, yet)3 He has worked there _ he left school. (already, just, since)4 She has known Sam _ nine years. ( for, never, since)5 Have
8、you _ ridden a horse? ( ever, for, yet),yet,never,since,for,ever,6 They have _ arrived. (ever, just, yet)7 He has _ washed the dishes ( already, ever)8 We have not completed the project _ .(already, for, yet),just,yet,already,Forming the past participle of verbs,Step3: While taskTask2: Learn the rul
9、es,movelivelovelike,写出下列动词的过去式和过去分词:,visitrepairwatchfinish,visited visited repaired repairedwatched watchedfinished finished,moved moved lived lived loved loved liked liked,verbed,以e结尾d,写出下列动词的过去式和过去分词:,stopmoptrapplan,stopped stopped mopped moppedtrapped trappedplanned planned,注:以一个辅音字母结尾的重读闭音节词,双
10、写最后一个辅音字母ed,双写ed,study hurry,studied studiedhurried hurried,去yied,注:以辅音字母加y结尾的词,去yied.,写出下列动词的过去式和过去分词:,begive seemake put comewrite,was/were beengave givensaw seenmade madeput putcame comewrote written,注:不规则动词见书上122页不规则动词表.,Some more examples:,1 borrow2 hope3 make4 get5 plan6 cry,7 send8 watch9 say
11、10 grow11 hit12 enjoy,1 borrow2 hope3 make4 get5 plan6 cry,borrowedhopedmadegotplannedcried,sentwatchedsaidgrewhit enjoyed,Step3: While taskTask3: Finish Part A on page 14,1 They _ (finish) their homework already.2 John _never _ (visit) China.3 Mr. Li _ (repair) over ten bicycles since Monday.4 We_
12、_ (not see) each other for years.5 My parents _ (not come) back yet.6. Our teacher _ (teach) us a lot about the history of China.,have finished,has visited,has repaired,havent seen,has taught,havent come,Step3: While taskTask4: Finish Part B on page 14,Task 5: Finish Part C on page 15M: _ you _ (see
13、) any films recently, Sandy?S: No, I havent. What about you?M: Well, I _ (see) one last Saturday.S: What is it about?M: Its about the changes in Beijing over the past century. From this film, I _ (learn) more about Beijings past and present.S: Oh, I think I _ (hear) about the film. Do you plan to se
14、e it again?M: Yes, Id like to.,Have,seen,saw,have heard,have learnt,1 She _ (wait) for two hours already. 2 They _(not finish) the project yet.3 _ you _ (hear) from my sister recently?4 Mark _ (be) there for two days.5 _ they ever _ (stay) at home alone?6 I _ never _ (watch) this film .7 Daniel _ ju
15、st _ (arrive) home.8 We _(not eat) anything since then.,has waited,havent finished,Have,heard,has been,Have,stayed,watched,have,has,arrived,havent eaten,Task6: Fill in the blanks,用括号中动词的适当形式填空He (wait) for an hour. I (not finish) the work yet. you (know) him since then?I (hear) from my father recent
16、ly.We (be) there many times in the past 3 years.They (finish)the work so far.6. How long you (stay) at home ?,has waited,havent finished,Have,known,have heard,have been,have finished,have,stayed,Task7: Finish the exercises,Task 8: Translate these sentences,1 南京自1995年以来发生了很大的变化.2 南京已经成为一个现代化的城市.3你们在这
17、个乡村住了多久了?4他结婚了吗?是的,他们6年前结婚了了.,Nanjing has changed a lot since 1995.,Nanjing has turned into a modern city.,How long have you lived in the village?,Has he got married?Yes, he got married six years ago.,Step4:Post-task,Task 1: Exercises in class (Finish【课堂训练】in the learning paper in 10 minutes),Task2: Feedback what we have learnt today,Homework:,1.Finish off the homework left in the learning paper.2.完成学习与评价第4课时。,ByeBye!,