《Jobs and Chores》学案1
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约1400字。
Unit 10 Jobs and Chores学案
一. 教学内容:
Unit 10 Part 1
学会用现在完成时描述刚刚做完的动作或事情。
二. 教学重点:
1. 现在完成时
2. 课文解析。
三. 具体内容。
(一)现在完成时:
1. 表示到现在为止已经完成的动作,强调动作的结果和对现在的影响。常与just, yet, already, ever, never 等时间状语连用。
e.g. I have already done my work.(说明不用再工作了)
I have become a soldier.(我过去当上了兵,现在仍是兵)
2. 表示过去已经开始,持续到现在仍未结束,并含持续到将来的意思。此用法经常与一些表示一段时间的时间状语连用。如:today, recently, lately, since, during/in the past two days, this week, these days, so far, for a long time…
e.g. We have waited for the whole day.(现在仍然在等)
3. 构成:主语+ have/has +done…
I have written a postcard to my friend.
She has lived here since she was born.
4. have/has been to 和have/has gone to 的区别:
have/has been to 表示“去过某地”,表明说话人的一种经历,可以与“once, several times, ever, never”连用。
e has been to Shanghai three times.
have/has gone to 表示“去了某地”,表明主语已在去某地的路上或已到达某地。一般只能用于第三人称,不能与上述时间状语连用。
He has gone to Shanghai.
5. 过去分词的构成
规则变化:与动词过去式的规则变化相同,即在词尾加ed
work-worked-worked move-moved-moved stop-stopped-stopped
study-studied-studied
不规则变化:
1)动词原形,过去式,过去分词三种形式完全相同。
put-put-put hurt-hurt-hurt cut-cut-cut shut-shut-shut
2)过去分词与过去式相同。
make-made-made dig-dug-dug build-built-built pay-paid-paid
3)过去分词与动词原形相同,与过去式不相同。
become-became-become run-ran-run overcome-overcame-overcome
4)三词形式完全不相同,过去分词多以n/ne/en结尾。
take-took-taken eat-ate-eaten see-saw-seen grow-grew
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