现在完成时说课2022-2023学年牛津译林版英语八年级下册

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名称 现在完成时说课2022-2023学年牛津译林版英语八年级下册
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资源类型 教案
版本资源 牛津上海版(试用本)
科目 英语
更新时间 2023-10-21 10:48:47

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现在完成时复习说课稿
教材分析
现在完成时是学生必须掌握的语法点,是八年级下册U1的重要语法知识点,也是中考的必考点,教材上对这个时态的基本句型构成说明得比较详细,对用法也有一定的讲解,但是不够透彻,本节课主要复习讲解现在完成时的用法和句型结构
学情分析
学生成绩中等,对现在完成时句型的构成及用法容易模糊,并且分析能力不高,做题思路不够清晰,但是知识接受能力强,有一定的知识归纳能力
三、教学目标
知识目标:理解并掌握现在完成时的句型和用法
能力目标:能够在书面表达上正确运用现在完成时
情感目标:通过在教学过程中让学生多思考、多观察、多总结,引导学生掌握自主学习的能力
教学重难点
重点:现在完成时的句型构成和用法
难点:动词过去分词的变化
五、教学法
通过提问、讲练结合的方式使学生掌握本专题知识点
六、教学过程
1.用法
用法1:表示一个过去发生的动作对现在产生的结果和影响。
(此时通常连用的时间状语有already, yet, just, ever, before, in the past)
用法2:表示一个从过去某个时间开始,延续到现在,并有可能继续延续下去的动作或状态。
(此时通常连用的时间状语since +时间点, for + 时间段)
练习——辨析
1.She has learned English for 5 years.
2.I haven’t read the book yet.
3.I have just cleaned my hands.
4.He has lived in Beijing since he was born.
5.Have you stayed here since 3 o’clock
2.句型结构
A.肯定句
I have cleaned the classroom.
We have finished our homework.
You have read this book.
He has washed his clothes.
They have visited the Great Wall.
主语+have/has +过去分词+其他
注:这里的have/has是助动词,没有什么具体意义。当主语是第三人称单数时助动词用has,其余人称一律用have。
缩略形式:
I’ve cleaned the classroom.
He’s washed the clothes.
B.否定句
I have cleaned the classroom.
I have not cleaned the classroom.
I haven’t cleaned the classroom.
He has washed his clothes.
He has not washed his clothes.
He hasn’t washed his clothes.
主语+助动词have/has+not+过去分词+其它
一般疑问句
Have you made dumplings ?
Has she been abroad ?
Have they found the lost books
助动词have/has +主语+过去分词+其它 ?
肯定回答用Yes ,主语+have/has.
否定回答用No,主语+haven't/hasn't.
练习—转换句式
1.She has used this computer.(否定句和一般疑问句)
2.I have studied music.(一般疑问句并作肯定回答)
3.They have stopped the snacks.(否定句和一般疑问句)
过去分词
规则变化
①一般情况下,直接加ed
work—— worked
look——looked
walk——walked 
②以e结尾的单词,直接加d
live ——lived
arrive——arrived
use——used  
③以辅音字母+y结尾的,变y为i加ed
study——studied
carry——carried  
④以重读、一个辅音字母结尾的闭音节结尾的动词,双写最后的辅音字母+ed
stop—— stopped
plan——planned
prefer——preferred
不规则变化
①动词原形和过去分词相同
put——putbecome——becomerun——run
②单词中间元音字母改变
sit——satwin——won
③单词结尾字母d改t
spend——spentsend——sent
④以eep结尾的单词,eep改为ept
keep——keptsleep——slept
⑤过去分词以aught或ought结尾
teach——taughtbuy——bought
⑥以ay结尾的单词,ay改为aid
say——saidpay——paid
⑦在动词原形结尾加n或en
give——giveneat——eaten
⑧完全不同:
am,is,are——beendo——donego——gone
练习:用所给动词的适当形式填空:
1. I ______________ (know) the place for many years.
2. He _____________ (learn) French since he went to France in 1980.
3. ---Sorry, MrLiu, I_______________(not finish) my homework yet.
4. Mrs Wu went to Hong Kong in 1976.She _____________(be) there for about 30 years.
5. Wow! It’s wonderful! I _______never ________ (see) such an amazing movie before.