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八年级英语下导学案
班级 _姓名 编号 NO. 4日期主备______ 审稿________
Unit 9 Have you ever been to a museum 导学案
一、学习目标:描述某人曾经去过哪些有趣的地方和谈论过去的经历。
能力目标: 掌握如何表达现在完成时重点词语: amusement，neither ,space museum。
重点句子： 1) —Have you ever been to a museum?
—Yes, I have. I went to the national science museum last year.
2) Let’s go to one tomorrow.[来源:Z_xx_k.Com]
难 点：掌握用现在完成时谈论过去的经历。
二、预习导学
1.根据音标学习新单词，并记住中文意思。 2.熟读1a的词语和对话。
3.跟小组长读重点单词短语，并结对抽说中文意思。
三、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）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? [来源:Zxxk.Com]
2. They have g_____ to see the movie. It’s 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.[来源:学§科§网]
5. I like animals in water . So I’m going to an a
四、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, several 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。[来源:学.科.网]
（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。[来源:Z_xx_k.Com]
（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，其规则与过去式一样。
不规则动词要记住。例如：take－taken, go－gone等。
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。
--Have you ever been to Shanghai? --Yes, several times.
-- Where is Mr. Wang?？-- He has gone to Shanghai.
六、学以致用选做题 单项选择。
( ) 1、Have you met Mr. Li ______？
Ａ. just Ｂ. ago Ｃ.before Ｄ. a moment ago
( )2、—Our country ______ a lot so far . —Yes . I hope it will be even ______ .
Ａ. has changed ; well Ｂ. changed ; good Ｃ. has changed ; better Ｄ. changed ; better
( ) 3、We ______ Xiao Li since she was a little girl .
Ａ. know Ｂ. had known Ｃ. have known Ｄ. knew
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