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现在完成时教学详案
Book:初二配套练习下B unit 8
Teaching objects:初中二年级
Teaching aims:
1、现在完成时的概念、基本结构、信号词;
2、动词过去分词变化规则;
3、have been to和have gone to用法区别;
4、for和since用法区别;
5、延续性动词和非延续性动词用法区别;
Key points:
1、 现在完成时的概念、基本结构、信号词;
2、 for和since用法区别;
3、 延续性动词和非延续性动词用法区别;
Difficulties:
1、for和since用法区别;
2、延续性动词和非延续性动词用法区别;
Teaching Contents:
Step 1: Warm- up & Lead in
T: Good afternoon, everyone.
S: …
T: How are you today?
Ss: …
T: Do you like travelling? Have you ever been to Disneyland?
Ss: Yes./ No.
T: I have a friend, he has gone to The Disneyland in Hong Kong.
He has visited some places in Hong Kong.
He has already taken many pictures here.
通过话题travelling
引出本堂课的语法点:现
在完成时;
板书句子,为语法总
结做铺垫;
He has already visited The Ocean Park.
He has walked on The Avenue of stars.
He has eaten much delicious food there.
But he has bought many presents for us.
I haven’t seen him for a week. (板书)
Step 2: Presentation
将以上句子呈现进行分析:
He has visited some places in Hong Kong.
He has already visited The Ocean Park.
He has eaten much delicious food there.
I haven’t seen him for a week.
T: 第一个句子,He has visited some places in Hong Kong.,他已经游览了香港
的几个地方,动作从过去就发生,一直持续到现在,对现在造成一定的影响,
并且有可能继续持续下去;同样:He has eaten much delicious food there. 动作
也是从过去就发生,对现在造成影响;那么在英语中,用来表示
过去发生持
通过以上句子,由
教师引导学生进行句子
分析,得出现在完成时
的概念、结构;
续到现在,对现在造成影响或后果的时态,用现在完成时。
T:现在完成时的结构是怎样的呢?
Ss:…
T: 肯定句:主语+have/has + V过分+其他
否定句怎么变呢?谁来帮我一下?
Ss: …(学生可能得出不正确的答案,教师纠正)
T: 否定句: 主语+have/has not +V过分 +其他
一般疑问句:Have/has + 主语+ V过分 + 其他
回答:Yes,主语+have/has.
并总结现在完成时
句型以及信号词;
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