江苏新教材牛津英语八年级下 Unit1 Past and present Grammar

1、Unit 1 Past and present Grammar 1.在过去 2.在现在3.自从上学期以来 4.在不同时代的交通工具5.北京的变化 6.在市中心 （2）7.在北部 8.变为9.一个很严重的问题 10.在某些方面11.像以前一样经常 12.不时（3）13. 采取行动干 14.结婚15.感到有点寂寞 16. 把废物倒入水里.17.有美丽的现代化的城镇 18. 像以前一样经常看见彼此翻译翻译1.知识目标：知识目标：学习词汇：学习词汇：yet, recently, past学习词组：学习词组：over the past century, learn more about2. 技能目标：技

2、能目标：1)掌握现在完成时的基本结构、基本用法和动词过去分词变化规律。 2)能够在语境中正确运用现在完成时。3)理解并运用常和现在完成时连用的时间表达方式。3. 情感目标：用现在完成时谈论家乡的变化。 Present perfect tensePresent perfect tense一一.现在完成时的含义现在完成时的含义现在完成时用来表示之前已发生或现在完成时用来表示之前已发生或完成的动作或状态，其结果和现在完成的动作或状态，其结果和现在有联系，动作或状态发生在过去但有联系，动作或状态发生在过去但它的影响现在还存在；也可表示持它的影响现在还存在；也可表示持续到现在的动作或状态。续到现在的动作

3、或状态。The Present Perfect Tense (现在完成时）现在完成时）pastpresentEddie has lived with Millie since he was born.Eddie has lived with Millie for four years.pastpresent4 yearsEddie was born four years ago.二、现在完成时的构成二、现在完成时的构成 现在完成时的肯定句现在完成时的肯定句 句型句型:主语（第一、二人称单、复数）主语（第一、二人称单、复数） + have +过去分词过去分词We have lived in Na

4、njing for 10years. e.g. I have finished my report.主语（第三人称复数）主语（第三人称复数） +have + 过去分词过去分词e.g. They have moved away.主语（第三人称单数）主语（第三人称单数） +has+过去分词过去分词e.g. He has been in Beijing for two months. 2. 现在完成时的否定句现在完成时的否定句 句型主语句型主语+have/has+ not+过去分词过去分词 e.g. I have not seen Harry Potter yet. He hasnt been to

5、 Tianjin since then.3. 现在完成时的一般疑问句现在完成时的一般疑问句 句型句型 Have/Has+主语主语+过去分词过去分词 Have you.? Has he.? Yes, I have. Yes, he has. No, I havent. No, he hasnt. 三、现在分词的构成三、现在分词的构成travelledmovedstayedownedlearnedvisitedstoppedfinishedshoppedsolvedA 规则动词的过去分词规则动词的过去分词B 不规则动词的过去分词不规则动词的过去分词thoughtcaughtgivenmadewri

6、ttenputcostgrownhurtrunfeltfallenflownhaddrunkbroughtwornsungforgottenkeptComplete the sentences using the present perfect tense. They _(finish) their homework already. 2. John _ never _(visit) China. 3. Mr Li _ (repair) over ten bicycles since Monday.have finishedhas has repairedvisited 4. We _(not

7、 see) each other for years .5. My parents _ (not come) back yet.6. Our teacher _(teach) us a lot about the history of China.havent seenHas taughthavent comeComplete the conversation using the correct forms of the verbs in brackets.Millie: (1)_ you _(see) any films recently, Sandy?Sandy: No, I (2)_.

8、What about you?Millie: I (3)_(see) one last Saturday. Sandy: Whats it about?Have seen sawhaventMillie: Its about changes in Beijing over the past century. From this film, I (4)_ (learn) more about Beijings past and present.Sandy: Oh, I think I (5)_(hear) about the film. Do you plan to see it again?M

9、illie: Yes, Id like to.have heardhave learnt一、现在完成时谓语动词的构成：一、现在完成时谓语动词的构成：助动词助动词have/has (not) +V-ed（过去分词）（过去分词）二、与现在完成时一起出现的时间状语：二、与现在完成时一起出现的时间状语：already ever for just yet never since recently so far before (in/during/over the past ten years Pay attention to:1. He _ (not finish) the homework yet.

10、He will try to finish it quickly.2. My family _ (live) in Nanjing since 1996.3. _ you _ (know) him since then?More practicehasnt finishedhas livedHaveknown4. They _ already _ (decide) to go to Kunming for the holiday.5. We _ (move) to the new flat since last month. 6. The girl _ (learn) English for about two years. havedecidedhave movedhas learned7. My father went to Beijing two weeks ago. I_ (not see) him since then.8. _ Tom _ (write) letters to you recently?9. Jacks mother isnt at home. She _