江苏省东台市唐洋镇中学八年级英语下册《unit 1 past and present grammar 2》学案无答案 牛津版.docVIP

《Unit 1 past and present Grammar 2》学案 教学目标 知识技能: To learn some new words. To understand the difference between “since” 、“ago”and “for” 过程与方法: To learn the use of the present perfect tense 　 情感态度价值观: To understand the use of the present perfect tense 　 教学重点 A The differences: Since for… 　 教学难点 B The differences: Since for…　 教学过程 一、创设情境、导入新课 Step One: Lead-in Review the present perfect tense. →Structure: ?have/has+V(过去分词)Past participle: 规则动词的过去分词与过去式相同。 Add some irregular verbs. teachtaughttaught bringbroughtbrought get梘ot梘ot know
--knew梜nown grow梘rew—grown find--found梖ound hold梙eld?ipheld show梥howed式—shown keepkeptkept leaveleftleft loselostlost runranrun swimswam梥wum牋牋?drive梔rove--driven begin?梘ot began--begun 二、预习设计、成果展示 现在完成时的时间表达词 用于的句式 表示的意思 句中的位置 already 肯定句 表示已经发生的事 中间 Ever 表示“曾经” For 表示一段时间 Just 表示“刚刚” Never 表示“从不” Since 表示“自…以后” Yet 表示“还没有” Recently 表示“最近” 三、小组合作、师生探究 Step Two: Pre-task Recently we have already known a little about Sunshine Town. I have never been there before. Have you ever been there? S1: No, I haven’t been there yet. T: Mr. Chen was born there. He has known it since he was very young. He has known it for a long time. Step Three: While-task Task 1: 1) Tell the students that we can use adverbs of time with the present perfect tense, such as already, ever, for, just, never, since and yet. 2) Some more examples: I have just seen Millie on the playground. Has Millie called yet? No, she hasn’t. I have not heard from Millie yet. I have done my homework already. I have never read the novel. … 3)现在完成时与时间副词(on Page16) for +段时间 for two days/three years since +点时间 since last night /1992 since two days ago since +句子 since I came here last week already 一般用于肯定的陈述句 yet 一般用于否定句和疑问句 (否定句中常译为“还”；疑问句中常译为“已经”。) just 刚（注意与just now的区别） recently 近来 ever 曾经(常用于问句) never 从不 up to now till now over/in the past 10 years