现在完成时教学设计

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现在完成时教学设计

备课人:黄红兵

预习导航:

主语+ have/ has + 过去分词(pp)

否定形式haven’t ( have not )+过去分词

hasn’t ( has not ) +过去分词

疑问句把助动词have / has 放在句首

现在完成时的结构

注:主语若是第三人称单数助动词用has

1、规则变化(过去分词与过去时变化规则一样)

(1)、一般动词,在词尾直接加“ed”。

work---worked---worked

visit---visited---visited

(2)、以“e ”结尾的动词,只在词尾加“d ”。

live---lived

(3)、以“辅音字母+ y ”结尾的动词,将“y”变为“i”,再加“ed ”.

study--studied--studied cry--cried-cried

(4)、重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加“ed ”。 stop--stopped--stopped drop--dropped--dropped

过去分词预习检测:一、

1、My father has finished his work.(改为否定句)

My father---------------- his work.

2、I’ve ever been to Beijing.(改为一般疑问句)

-----------you --------------to Beijing?

3、Jim finished his homework.(改为现在完成时) Jim his homework.

4、He has been to Guangzhou twice.(就划线部分提问)

--------------has he been to Guangzhou?

二、写出以下动词的过去式及过去分词形式。

(1 ) have spend make say find hear

(2) take speak sing go

(3) cut put let read

拓展一:

since: (自…以来)

1)since+时间点

He has stayed here since 5 o’clock.

2)since+ 时间段+ ago

He has stayed here since 5 hours ago.

3)since+ 从句

She has taught English Since he came here.

for: (长达)

for+ 时间段

He has kept the book for 2 weeks.

since , for 的用法:

Take notes

练习一:用for 或since填空。

1. Mr. Brown has had his TV ______ 15 years.

2. I’ve taken driving lessons _______last month.

3. My sister has had her cell phone ______a month .

4. My friends haven’t visited me ______my birthday.

5. We haven’t used our car _____ a long time .

6. She hasn’t had a good cup of coffee _____years.

7. Tom has worn glasses _______he was 7 years old.

拓展二:辨析have been to和have gone to

My father has gone toShanghai for a meeting.

他(已经)去了上海。My father has been toShanghai for a meeting.

他(曾经)去了上海。She has been toChina . 她(曾经)去过中国。(人已经回来了) have been to someplace. 曾经去过某地,已经回来.

has gone to someplace.某人去了某地,还没有回来.

She has gone to China last week.上周她去了上海。(人可能回来了也可能没回来)

练习二:用have/has been to, have/has gone to填空:

1. —Where is your brother?

—He ____________ the shop. He’ll be back soon.

2. —______ you ever _________ to America?

—Yes, I ___________ New York twice.

3. —Here you are at last! Where _____ you _____?

—I _____________ London.

4. —David _____________Australia.

—I’m sure he’s already arrived.

5. —Is Benny here?

—No, he _________ the school library. He left five minutes ago.

拓展三:

注意:瞬间动词不能和时间段连用.

瞬间动词

Join begin/start borrow finish/end

arrive/come leave die buy·

method 1:

动作状态

die

be over

leave

borrow/buy

arrive

begin

end/finish

join

marry

keep/had

be away

be here

be on(上演)

be married

be in

be dead

练习三:

1、The old man died three years ago.

The old man ----------------------three years.

2、Tom bought this book two weeks ago.

Tom --

-------------------------this book -----------two weeks .

3、The film began 10 minutes ago.

The film ------------------------------10 minutes.

4、The Greens left Beijing three years ago.

The Greens ----------------------- Beijing three years ago.

现在完成时教学反思

作者:黄红兵

教学反思

“现在完成时态”是初中阶段学生学习的主要时态之一,也是中考必考内容,新课程标准中规定学生必须掌握和会用。但事实上不少学生对“现在完成时态”的概念理解困难,运用不当,导致在该时态考点失分较多。牛津英语8Bunit1这一单元就接触到了现在完成时,当学生第一次接触到“现在完成时态”,感到很迷惑,与一般过去时时常混淆,只有少数学生能够比较清楚地掌握。在第一个星期的学习中我发现学生对现在完成时的概念不太清楚,因此,这周我加强了对“现在完成时态”的概念和使用时机以及使用方法的重点教学。首先,我把现在完成时态知识点集中讲,利用课件集中把涉及到现在完成时的用法和个案详细的讲解,其教学效果比分散讲解要好得多。接着把有关“现在完成时”的知识点全部总结下来,发给学生。第一课时,主要讲解该时态的概念和基本结构。其中,基本结构中的“动词的过去分词”是个难点,需要把动词的三态变化全部复习一遍,尤其是不规则动词需要逐个牢记。把这两方面的内容让学生认真学习后,配以相应的习题让他们练习,从而加深印象。第二课时主要讲解现在完成时的用法以及相关的时间状语,课堂上我把这些时间状语用多媒体呈现,并举例说明,让学生感知。本课时中的难点就是延续性动词和短暂性动词相互转换,在教学案中用表格的形式把这两种动词相

对应的列出来,让学生比较,自己举例来区别这两种动词,这样效果比第一周是好多了,学生也有了直观的认识,有利于时态的掌握。当然,课后的巩固练习必不可少,课后练习可以反馈学生对这一知识点的掌握,同时提供给教师备课和调整教学策略的依据。通过这一教学的调整,学生能更好的掌握时态并能够灵活的应用,我认为在今后的教学中就应该这样灵活多变,根据学生的实际情况适时的调整教学计划,从学生的角度出发,让他们更好的学习,更有兴趣学习,这才是我们应该做的。

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