1、 1 Have you ever been to a museum 一 、自学检测 （ 一 ） 认真琢磨，细心选择 (体会现在完成时和一般过去时的区别 )。 （ 二 ） 写出下列动词的过去式和过去分词 is _ _ write _ _ read _ _ study _ _ have _ _ eat _ _ atart_ _ live_ _ help _ _ travel_ _ say_ _ hear_ _ （ 三 ） 根据首字母完成单 词使句子意思完整 , 通顺 1. Have you ever b_ to a museum? 2. They have g_ to see the movie.
2、 Its so interesting. 3. I hope that they will have a wonderful time in the a park. 4. -I have never seen such an interesting water park.-Me n . 5. I like animals in water . So Im going to an a 二 、合作探究 现在完成时（一） I用法：现在完成时表示过去发生的动作对现在造成的影响或结果。常与下列时间状语连用： just , already, yet, ever, never, before, severa
3、l times。 现在完成时不能和表示过 去的时间（如：yesterday, last, year, in 1976, two days ago, just now, when she came in 等）连用。 （ 1）现在完成时表示过去发生的动作对 现在的影响。 I have studied English. 表示 I know a little English. He has already come back. 表示 He is here now. 常与 already, yet, just, recently, ever, never, before 等表示不确定时间的时间状语连用。
4、 （ 2）现在完成时表示从过去一直持续到现在的动作或状态。 She has been ill for 3 days. He has worked in the bank since 1990. 此时，句中谓语动词通常是延续性动词，且常与表示一段时间的时间状语连用。如： these days, all this year, recently, for 时间段以及 since时间点等等。 II. 构成： have / has 动词过去分词 （ 1） has 用于主语是第三人称单数， have 用于其 它人称。 （ 2）动词的过去分词构成分为规则动词和不 规则动词。规则动词在词尾加 ed，其规则与过
5、去式一样。 不规则动词要记住。例如 ： take taken, go gone 等。 III.区分 have/has been to 与 have/has gone to have /has been to 和 have/has gone to 都是指已经去了 某个地方，但是 have /has been to 强调的是曾经去了某个地方并回来了； have/has gone to 强调的是去了某个地方还没有回来。 2 -Have you ever been to Shanghai? -Yes, several times. - Where is Mr. Wang?？ - He has gone
6、 to Shanghai. 三 、展示 1. 个人或小组读 1a 的单词 和对话。 2听录音完成 1b。 3. 对话练习 1c. 四 、 学以致用 选做题 单项选择。 ( ) 1、 Have you met Mr. Li _？ . just . ago .before . a moment ago ( )2、 Our country _ a lot so far . Yes . I hope it will be even _ . . has changed ; well . changed ; good . has changed ; better . changed ; better (
7、) 3、 We _ Xiao Li since she was a little girl . . know . had known . have known . knew 提高题 句型转换： 1、 They have been here since 2000. (对划线部分提问 ) have they been here? 2、 The old man _ last year. He for a year. (die)（动词填空） 3、 Miss Gao left an hour ago. (同义句转 换 ) Miss Gao _ _ _ _ an hour ago. 4、 Her mother has been a Party member for three years .（同义句） Her mother _ the Party three years _ . 【总结反思】
