Unit 8 Have you read Treasure Island yet？辨析现在完成时和一般过去时的区别 课件16张缺少音频

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辨析现在完成时和一般过去时的区别难点名称：正确区分现在完成时和一般过去时八年级下册Unit8目录CONTENTS
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现在完成时表示过去发生的事情对现在造成的影响或结果。其结构为 have/has +过去分词
一般过去时表示过去某一时候或某一段时间所发生了的事情或存在的状态。
I have been to Hainan last year.
X
I have been to Hainan .
√
I have made some delicious food for mom.
I made some food ..
Mom can enjoy it now.
past
now
现在完成时表示过去发生的事情对现在 造成的影响或结果。
活动与探究（温馨提示：规范操作、注意安全）
知识讲解
Yes,I did./No,I didn’t.
难点突破
Yes,I have./No,I haven't.
Did you take your temperature yesterday
Have you already taken your temperature yet
Have you ever done nucleic acid testing(核酸检测）yet
Yes,I have./No,I haven't.
Did you do nucleic acid testing last week
Yes,I did./No,I didn’t.
Have you ever seen a doctor or nurse in protective clothing(防护服）yet？
Yes,I have.I saw many doctors and nurses like this in 2020.
Have you ever seen many people around your neighborhood since July 17th,2020
No,I haven’t.Most people stayed at home .
Yes,We stayed at home to stop the spread of the plague(避免疫情的扩散）.
Have you ever seen volunteers around your neighborhood yet
Yes,I have.They were in protective clothing(穿防护服）in summer.
Although the weather was hot,they wore protective clothing ,and they helped us so much.
课堂练习难点巩固Please remember:After theoutbreak(疫情),we(take) our temperature several times a day .We(do) several times nucleic acid testing(核酸检测）.We(stay)at homeand(go)out less.When we(are) in public,we(wear)masks(口罩）.Weshould do these things.tookdidstayedwereworewent We know Chinese are the happiest people in the world.Because I (see) many doctors and nurses leave their home,just wanted to help more people in need . I (see) many volunteers help us since July 16,2020 .China (do)a lot for its people, including free treatment for COVID-19(治疗新冠肺炎), free drugs for epidemic prevention(药品防疫), free masks and free nucleic acid testing(核酸检测).
Thank the motherland(祖国), I will study hard, help the motherland to achieve the Chinese dream as soon as possible(早日实现中国梦）.
have seen
have seen
has done
【课堂小结】
小结
综合提升 一般过去时 现在完成时
I have visited my grandparents yesterday.× He has finished his work two days ago.× 时间状语不同 yesterday, last week,...ago,just now,When.... already,yet, ever, never, for,since..
（注∶不能与表示过去的时间状语连用）
Have you got it？
疫情终将过去,阳光即将抵达!
The epidemic will pass and the sun will shine.
THANKS