Unit1Past and present Grammar 课件 (共37张PPT)+内嵌视频
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| 名称 | Unit1Past and present Grammar 课件 (共37张PPT)+内嵌视频 |  | |
| 格式 | zip | ||
| 文件大小 | 22.6MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2020-05-01 07:22:23 | ||
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课件37张PPT。8B Unit 1 Past and Present
Grammar译林版八年级下册 英语ContentsContentsContentsLearning aims1. To master the structure and basic usage of the present perfect tense.
（掌握现在完成时的基本结构、用法。）
2. To learn the rules of forming the past participles of verbs.
（学习动词的过去分词变化规则。）
3. To learn some time expressions usually used in the present perfect tense.
（学习常用在现在完成时里的时间表达方式。）
Learning aims1. To master the structure and basic usage of present perfect tense(PPT).
（掌握现在完成时的基本结构、用法。）
2. To learn the rules of forming the past participles of verbs.
（学习动词的过去分词变化规则。）
3. To learn some time expressions usually used in PPT.
（学习常用在现在完成时里的时间表达方式。）
I’ve worn lots of shoes.
I’ve never seen a mammoth sleep like that.
I’ve always hated this carpet.
I’ve never seen you before in my life.
I’ve waited 14 years.
I’ve forgotten your name.
I’ve lived in this city all my life.Lead-in: sentences in the video I've just eaten it.
You've changed.
We have lived here since then.
Have you seen my food？
Have you ever moved house?
Has the town changed a lot over the years?
···
···Can you find more sentences with "have/ has+ done" in Welcome to the unit and Reading?Pre-task: More examples When do we use the present perfect tense?While-task 1: Learn by yourselfⅠ.We use the present perfect tense to talk about an action that started in the past and continues to the present.表示过去开始，现在还在继续的动作。
for: 后接一段时间，如three years, a long time…
e.g. I have known you for a long time.
since:自从… 后接过去的时间点/动作
e.g. I have not seen him since we met last week.
常用的时间状语有： I _____________ English ____________________.2.我已经学了10多年的英语。have learnedfor over ten years1.我认识李雷三年了.I’ve known Li Lei _______________.
______________________.for three yearssince three years agoPractice: Finish the sentencesⅡ.We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.
表示过去发生的或已完成的动作对现在造成的影响或结果。
PastpresentEddie has eaten Millie’s food. e.g. 1. I have just opened the door.
(The door is not closed now.） 2. Zack has already finished his homework.
(Zack is free now. )Look at my bowl. Who _______ my dumplings? That’s too bad!
Jack ________ home. Don’t worry.
3. I ________ the key to the door, so I have to wait till Mum comes back.
has eatenatearrivedhas just arrivedhave lostlosePractice: Choose the correct ones.already “已经” （常用于______句）
yet “还”(常用于_____句或_____句)
just “刚刚” （常用于_____句）
ever “曾经” （常用于_____/ _____)
recently “最近”肯定否定疑问肯定肯定疑问常用的时间状语有： Ⅲ.We also use the present perfect tense to talk about how many times an action has happened till now.e.g.
Eddie and Millie have read Harry Potter many times.
Millie has been to Disneyland twice. never, twice, three times, many times等常用的时间状语有： Ⅲ.We also use the present perfect tense to talk about how many times an action has happened till now.Ⅱ.We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.
Ⅰ.We use the present perfect tense to talk about an action that started in the past and continues to the present.
Summarize：We can use these time expressions with the present perfect tense.
：for&since引导的时间状语
：already, ever, just, recently, yet等副词
： never, twice, many times等
Summarize：Think: What's the basic structure of the present perfect tense?Eddie has just eaten my food.
You've changed.
We have lived here since then.While-task 2: Learn togetherThink: What's the basic structure of PPT?While-task 2: Learn togetherhave not=haven’t
has not =hasn’tHave you eaten my food？
Have you ever moved house?
Has the town changed a lot over the years?
一般疑问句Have/ Has + 主语 + 动词的过去分词？一般疑问句 ---Has Max lived in this city all his life？2.Max has lived in this city all his life.(改为一般疑问句并作回答)1.Nick has forgotten Judy’s name.(改为否定句)Nick has not forgotten Judy’s name.Practice: ---Yes, he has./ No, he hasn’t. 3. I’ve not seen a mammoth sleep like that. (改为肯定句) I’ve seen a mammoth sleep like that. hate
live
:
wait
finish
waited
finished
hated
lived
verb＋ed以e结尾＋dstop
planstopped
planned双写＋edstudy
hurry
studied
hurried去y＋ied写出下列动词的过去式
waited
finished
hated
lived
stopped
plannedstudied
hurriedthe past participles How do we form the past participle of verbs?While-task 3: Learn the rulesbe
wear
see
forget
know
eat
losewas/were
wore
saw
forgot
knew
ate
lostNotes: Turn to pages 122 and 123 for more changes of irregular verbs..写出下列动词的过去式和过去分词been
worn
seen
forgotten
known
eaten
lost1 borrow
2 hope
3 make
4 get
5 plan
6 cry7 send
8 watch
9 say
10 grow
11 hit
12 enjoy1 borrow
2 hope
3 make
4 get
5 plan
6 cryborrowed
hoped
made
got
planned
criedsent
watched
said
grown
hit
enjoyedWhile-task 4: Finish Part A on page 14
1. They __________ (finish) their homework already.
2. John _____never _____ (visit) China.
3. Mr. Li _____________(repair) over ten bicycles since Monday.
4. We_____________ (not see) each other for years.
5. My parents ______________ (not come) back yet.
6. Our teacher ___________ (teach) us a lot about the history of China.
have finished has visitedhas repairedhaven’t seenhas taughthaven’t comeWhile-task 5: Finish Part B on page 14
M: ________ you ________ (see) any
films recently, Sandy?
S: No, I haven’t. What about you?
M: Well, I ________ (see) one last Saturday.
S: What is it about?
M: It’s about the changes in Beijing over the past century. From this film, I ___________ (learn) more about Beijing’s past and present.
S: Oh, I think I ___________ (hear) about the film. Do you plan to see it again?
M: Yes, I’d like to.Have seensawhave heardhave learntWhile-task 6: Finish Part C on page 14
1. She __________ (wait) for two hours already.
2. They _______________(not finish) the project yet.
3. _____ you ______ (hear) from my sister recently?
4. Mark _________ (be) there for two days.
5. _____ they ever _____ (stay) at home alone?
6. I _____ never ________ (watch) this film .
7. Daniel ______ just _________ (arrive) home.
8. We _____________(not eat) anything since
then.has waitedhaven’t finishedHave heardhas beenHavestayed watchedhavehasarrivedhaven’t eatenWhile-task 7: Fill in the blanksFinish the following exercises.
Review what we have just learned.Post task: HomeworkThanks forwatching!一、写出下列词的过去分词。
arrive__ 2. become__ 3. begin__ 4. study__ 5. build__
6. stop__ 7. cost__ 8. meet__ 9. enjoy_ 10. eat__
11. plan_ 12. fall_ 13. fly_ 14. think_ 15. know__二、用括号中所给动词的现在完成时填空。
1. Recently thousands of fans _________ (meet) in Los Angeles to show their respect to Kobe Bryant.
2. I _______________ (not finish) the work yet.
3. _____ their government _______ (take) action to stop the epidemic yet?
4. I ____________ (not hear) from my brother for a long time.
5. Many cinemas ___________ (be) closed since January 25.三、用括号内所给动词适当形式填空。
Recently we ________(read) lots of news about the novel coronavirus (新型冠状病毒). The Chinese government has taken active actions to protect its people as well as those around the world. However, there ________ (be) many more cases outside China since January 13. WHO experts _____ just _____ (visit) Wuhan to discuss the issue with the Chinese side. They say our government _____ already _____ (do) a great job in fighting against the novel coronavirus. China will continue working with WHO. We are sure China will be able to control the outbreak. Even miracles(奇迹) ________ (take) a little time. As middle school students, we should try our best to protect ourselves. The best way is to stay at home and wash our hands often. If we have to go out, we must wear a mask. Remember we are the one who can fill the world with sunshine.
Grammar译林版八年级下册 英语ContentsContentsContentsLearning aims1. To master the structure and basic usage of the present perfect tense.
（掌握现在完成时的基本结构、用法。）
2. To learn the rules of forming the past participles of verbs.
（学习动词的过去分词变化规则。）
3. To learn some time expressions usually used in the present perfect tense.
（学习常用在现在完成时里的时间表达方式。）
Learning aims1. To master the structure and basic usage of present perfect tense(PPT).
（掌握现在完成时的基本结构、用法。）
2. To learn the rules of forming the past participles of verbs.
（学习动词的过去分词变化规则。）
3. To learn some time expressions usually used in PPT.
（学习常用在现在完成时里的时间表达方式。）
I’ve worn lots of shoes.
I’ve never seen a mammoth sleep like that.
I’ve always hated this carpet.
I’ve never seen you before in my life.
I’ve waited 14 years.
I’ve forgotten your name.
I’ve lived in this city all my life.Lead-in: sentences in the video I've just eaten it.
You've changed.
We have lived here since then.
Have you seen my food？
Have you ever moved house?
Has the town changed a lot over the years?
···
···Can you find more sentences with "have/ has+ done" in Welcome to the unit and Reading?Pre-task: More examples When do we use the present perfect tense?While-task 1: Learn by yourselfⅠ.We use the present perfect tense to talk about an action that started in the past and continues to the present.表示过去开始，现在还在继续的动作。
for: 后接一段时间，如three years, a long time…
e.g. I have known you for a long time.
since:自从… 后接过去的时间点/动作
e.g. I have not seen him since we met last week.
常用的时间状语有： I _____________ English ____________________.2.我已经学了10多年的英语。have learnedfor over ten years1.我认识李雷三年了.I’ve known Li Lei _______________.
______________________.for three yearssince three years agoPractice: Finish the sentencesⅡ.We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.
表示过去发生的或已完成的动作对现在造成的影响或结果。
PastpresentEddie has eaten Millie’s food. e.g. 1. I have just opened the door.
(The door is not closed now.） 2. Zack has already finished his homework.
(Zack is free now. )Look at my bowl. Who _______ my dumplings? That’s too bad!
Jack ________ home. Don’t worry.
3. I ________ the key to the door, so I have to wait till Mum comes back.
has eatenatearrivedhas just arrivedhave lostlosePractice: Choose the correct ones.already “已经” （常用于______句）
yet “还”(常用于_____句或_____句)
just “刚刚” （常用于_____句）
ever “曾经” （常用于_____/ _____)
recently “最近”肯定否定疑问肯定肯定疑问常用的时间状语有： Ⅲ.We also use the present perfect tense to talk about how many times an action has happened till now.e.g.
Eddie and Millie have read Harry Potter many times.
Millie has been to Disneyland twice. never, twice, three times, many times等常用的时间状语有： Ⅲ.We also use the present perfect tense to talk about how many times an action has happened till now.Ⅱ.We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.
Ⅰ.We use the present perfect tense to talk about an action that started in the past and continues to the present.
Summarize：We can use these time expressions with the present perfect tense.
：for&since引导的时间状语
：already, ever, just, recently, yet等副词
： never, twice, many times等
Summarize：Think: What's the basic structure of the present perfect tense?Eddie has just eaten my food.
You've changed.
We have lived here since then.While-task 2: Learn togetherThink: What's the basic structure of PPT?While-task 2: Learn togetherhave not=haven’t
has not =hasn’tHave you eaten my food？
Have you ever moved house?
Has the town changed a lot over the years?
一般疑问句Have/ Has + 主语 + 动词的过去分词？一般疑问句 ---Has Max lived in this city all his life？2.Max has lived in this city all his life.(改为一般疑问句并作回答)1.Nick has forgotten Judy’s name.(改为否定句)Nick has not forgotten Judy’s name.Practice: ---Yes, he has./ No, he hasn’t. 3. I’ve not seen a mammoth sleep like that. (改为肯定句) I’ve seen a mammoth sleep like that. hate
live
:
wait
finish
waited
finished
hated
lived
verb＋ed以e结尾＋dstop
planstopped
planned双写＋edstudy
hurry
studied
hurried去y＋ied写出下列动词的过去式
waited
finished
hated
lived
stopped
plannedstudied
hurriedthe past participles How do we form the past participle of verbs?While-task 3: Learn the rulesbe
wear
see
forget
know
eat
losewas/were
wore
saw
forgot
knew
ate
lostNotes: Turn to pages 122 and 123 for more changes of irregular verbs..写出下列动词的过去式和过去分词been
worn
seen
forgotten
known
eaten
lost1 borrow
2 hope
3 make
4 get
5 plan
6 cry7 send
8 watch
9 say
10 grow
11 hit
12 enjoy1 borrow
2 hope
3 make
4 get
5 plan
6 cryborrowed
hoped
made
got
planned
criedsent
watched
said
grown
hit
enjoyedWhile-task 4: Finish Part A on page 14
1. They __________ (finish) their homework already.
2. John _____never _____ (visit) China.
3. Mr. Li _____________(repair) over ten bicycles since Monday.
4. We_____________ (not see) each other for years.
5. My parents ______________ (not come) back yet.
6. Our teacher ___________ (teach) us a lot about the history of China.
have finished has visitedhas repairedhaven’t seenhas taughthaven’t comeWhile-task 5: Finish Part B on page 14
M: ________ you ________ (see) any
films recently, Sandy?
S: No, I haven’t. What about you?
M: Well, I ________ (see) one last Saturday.
S: What is it about?
M: It’s about the changes in Beijing over the past century. From this film, I ___________ (learn) more about Beijing’s past and present.
S: Oh, I think I ___________ (hear) about the film. Do you plan to see it again?
M: Yes, I’d like to.Have seensawhave heardhave learntWhile-task 6: Finish Part C on page 14
1. She __________ (wait) for two hours already.
2. They _______________(not finish) the project yet.
3. _____ you ______ (hear) from my sister recently?
4. Mark _________ (be) there for two days.
5. _____ they ever _____ (stay) at home alone?
6. I _____ never ________ (watch) this film .
7. Daniel ______ just _________ (arrive) home.
8. We _____________(not eat) anything since
then.has waitedhaven’t finishedHave heardhas beenHavestayed watchedhavehasarrivedhaven’t eatenWhile-task 7: Fill in the blanksFinish the following exercises.
Review what we have just learned.Post task: HomeworkThanks forwatching!一、写出下列词的过去分词。
arrive__ 2. become__ 3. begin__ 4. study__ 5. build__
6. stop__ 7. cost__ 8. meet__ 9. enjoy_ 10. eat__
11. plan_ 12. fall_ 13. fly_ 14. think_ 15. know__二、用括号中所给动词的现在完成时填空。
1. Recently thousands of fans _________ (meet) in Los Angeles to show their respect to Kobe Bryant.
2. I _______________ (not finish) the work yet.
3. _____ their government _______ (take) action to stop the epidemic yet?
4. I ____________ (not hear) from my brother for a long time.
5. Many cinemas ___________ (be) closed since January 25.三、用括号内所给动词适当形式填空。
Recently we ________(read) lots of news about the novel coronavirus (新型冠状病毒). The Chinese government has taken active actions to protect its people as well as those around the world. However, there ________ (be) many more cases outside China since January 13. WHO experts _____ just _____ (visit) Wuhan to discuss the issue with the Chinese side. They say our government _____ already _____ (do) a great job in fighting against the novel coronavirus. China will continue working with WHO. We are sure China will be able to control the outbreak. Even miracles(奇迹) ________ (take) a little time. As middle school students, we should try our best to protect ourselves. The best way is to stay at home and wash our hands often. If we have to go out, we must wear a mask. Remember we are the one who can fill the world with sunshine.