牛津译林版八年级下册Unit 1 Past and Present Period 3 课件 (共24张PPT)
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| 名称 | 牛津译林版八年级下册Unit 1 Past and Present Period 3 课件 (共24张PPT) |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-12-29 10:23:41 | ||
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(共24张PPT)
Unit 1
Past and present
Period 3
Grammar
新
课
导
入
Read and find
1. Eddie, have you seen my food
2. I've just eaten it.
3. I've lived here since I was born.
4. Have you ever moved house
5. Now the government has turned part of the town centre
into a new park.
Language Goal
1.能熟悉并正确运用本课时的重点单词和短语。
2.能掌握现在完成时的基本结构和用法
3.能掌握动词过去分词的变化规则。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Present perfect tense
We use the present perfect tense to talk about an action that started in the past and continues to the present.
I have lived here since I was born.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.
Eddie has just eaten Hobo's food.
(Eddie ate the food, and now Hobo has nothing to eat.)
We also use the present perfect tense to talk about how many times an action has happened till now.
I have already read this book many times.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We make positive statements in the present perfect tense like this:
I/You/We/They have arrived.
He/She/It has
We make negative statements in the present perfect tense like this:
I/You/We/They have not arrived.
He/She/It has
Tip:
have not=haven't
has not=hasn't
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We ask and answer questions using the present perfect tense like this:
Have I/you/we/they arrived
Has he/she/it
Yes， I/you/we/they have.
he/she/it has.
No， I/you/we/they haven't.
he/she/it hasn't.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We form the past participles of regular verbs by adding -ed, just as what we do to form the simple past tense of these verbs.
Most verbs + ed finish→finished
Verbs ending in -e + d change→changed
Verbs ending in a consonant + y - y + ied carry→carried
Short verbs ending in a vowel + a consonant double the consonant + ed stop→stopped
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We form the past participles of irregular verbs differently. Here are some examples.
No change come→come hurt→hurt
Change the vowel hold→held win→won
Change the consonant lend→lent build→built
Change the vowel(s) and the consonant(s) catch→caught keep→kept
forget→forgotten tell→told
Others be→been have→had
fall→fallen fly→flown
draw→drawn see→seen
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Regular verbs Irregular verbs
Base form Past participle Base form Past participle
visit visited hit hit
repair repaired put put
live lived meet met
move moved make made
try tried sell sold
study studied give given
fit fitted write written
plan planned think thought
The table below shows more examples of the past participles of verbs.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Mr Wu wants the students to practise using the present perfect tense. Help them write the past participles of the verbs below.
A
▲
1 borrow _______
2 hope ______
3 make ______
4 get ______
9 say ______
10 grow ______
11 hit ______
12 enjoy ______
5 plan _______
6 cry _______
7 send _______
8 watch _______
borrowed
hoped
made
got
planned
cried
sent
watched
said
grown
hit
enjoyed
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Mr Wu asks the students to complete the sentences below using the present perfect tense. Help them complete the sentences.
B
▲
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 visited
has repaired
haven't seen
haven't come
has taught
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Millie and Sandy are talking about a film about the history of plete their conversation with the correct forms of the verbs in brackets.
C
▲
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Millie: ______ you _____ (see) any films recently, Sandy
Sandy: No, I haven't. What about you
Millie: I _____ (see) one last Saturday.
Sandy: What's it about
Millie: It's about the changes in Beijing over the past century. From this
film, I __________ (learn) more about Beijing's past and present.
Sandy: Oh, I think I __________ (hear) about the film. Do you plan to
see it again
Millie: Yes, I'd like to.
Have seen
saw
have learnt
have heard
Language Points
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时（Ⅰ）
我们用现在完成时表示从过去持续到现在的动作或状态，或已完成但对现在有一定影响的动作。如：
He has lived here since he came to Nanjing.
自从来到南京，他就住在这里。
I have lost my mobile phone.
我的手机丢了。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时常和already、ever、just、never、recently、yet等副词以及since、for引导的时间状语连用。如：
He has already taken first prize twice. 他已经拿过两次一等奖了。
He has not returned the book to me yet. 他还没有把那本书还给我。
He has never visited the Great Wall. 他从没去过长城。
注意：already常用于肯定句，意思是“已经”，而yet常用于否定句和疑问句，意思是“还”。
现在完成时的动词构成：have/has + 动词的过去分词
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时的结构：
1. 肯定句：主语 + have / has + 动词过去分词 (+ 其他).
e.g. Someone has cleaned the window. 有人已经擦了窗户。
We have lived here for two years. 我们在这里住了两年了。
2. 否定句：主语 + have / has + not + 动词过去分词 (+ 其他).
e.g. I haven't finished the work yet. 我还没有完成这项工作。
He hasn't cleaned his room. 他还没有打扫他的房间。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时的结构：
3. 一般疑问句及其肯定否定回答：
Have / Has + 主语 + 动词过去分词 (+ 其他)
Yes, 主语 + have / has. No, 主语 + haven't / hasn't.
e.g. Have you finished you homework 你做完作业了吗？
Yes, I have. 是的，我做完了。
No, I haven't. 不，我没有做完。
Has he ever been to Beijing 他曾经去过北京吗？
Yes, he has. 是的，他过去。
No, he hasn't. 不，他没有去过。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
大多数动词的过去分词变化形式同动词的过去式，可参考动词的过去式变化规则。
变化 举例
一般情况在动词原形后加-ed finish—finished—finished
以字母e 结尾的动词，只加-d move—moved—moved
以“ 辅音字母+y ”结尾的动词，把y 改为i，再加-ed carry—carried—carried
以重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加-ed stop—stopped—stopped
新知学习
课堂小结
当堂检测
学习目标
重点研讨
不规则动词的过去分词变化：
有些动词的过去分词和过去式的变化形式相同，其变化情况大致
分类如下：
变化 举例
与原形相同 hit—hit—hit hurt—hurt—hurt
在原形后加t或d learn—learnt—learnt hear—heard—heard
原形中的元音字母有变化 get—got—got sit—sat—sat
原形中的辅音字母有变化 make—made—made spill—spilt—spilt
原形中的元音、辅音字母都有变化 feel—felt—felt smell—smelt—smelt
新知学习
课堂小结
当堂检测
学习目标
重点研讨
有些动词的过去分词和过去式的变化形式不同，其变化情况大致分类如下：
变化 举例
与原形相同 come—came—come run—ran—run
原形中的元音字母有变化 ring—rang—rung sing—sang—sung
在原形上加en eat—ate—eaten fall—fell—fallen
在原形上加n see—saw—seen give—gave—given
在过去式上加n steal—stole—stolen break—broke—broken
原形、过去式和过去分词词形差异较大 do—did—done go—went—gone
重点单词：
yet, recently, past
Unit 1
Period 3
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时的基本构成和用法：
现在完成时的动词构成：____________________;
动词过去分词的变化规则：
1.大多数词后加_____;
2.以字母e的词后加_____;
3.以一个辅音字母结尾的重读闭音节，双写最后
一个辅音字母再加_____;
4.以辅音字母+y结尾的词，将y改为__,再加____。
have/has + 动词的过去分词
ed
d
ed
i
ed
新知学习
课堂小结
当堂检测
学习目标
重点研讨
一、写出下列动词的过去分词。
work
live
stop
clean
play
hope
carry
look
study
plan
_________
_________
_________
_________
_________
_________
_________
_________
_________
_________
worked
looked
cleaned
played
lived
hoped
stopped
planned
studied
carried
新知学习
课堂小结
当堂检测
学习目标
重点研讨
二、用所给单词的正确形式填空。
1. I __________ (have) dinner. I am full.
2. We _________ (read) this story. I don't want to read it again.
3. They __________ (see) the movie. They can tell you something about it.
4. She __________ (keep) some nice toys since she was five.
5. Hurry up! Lunch _____ already ______ (begin).
6. We ___________ (wash) our clothes. They're clean now.
have had
have read
have seen
has kept
has
begun
have washed
Unit 1
Past and present
Period 3
Grammar
新
课
导
入
Read and find
1. Eddie, have you seen my food
2. I've just eaten it.
3. I've lived here since I was born.
4. Have you ever moved house
5. Now the government has turned part of the town centre
into a new park.
Language Goal
1.能熟悉并正确运用本课时的重点单词和短语。
2.能掌握现在完成时的基本结构和用法
3.能掌握动词过去分词的变化规则。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Present perfect tense
We use the present perfect tense to talk about an action that started in the past and continues to the present.
I have lived here since I was born.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.
Eddie has just eaten Hobo's food.
(Eddie ate the food, and now Hobo has nothing to eat.)
We also use the present perfect tense to talk about how many times an action has happened till now.
I have already read this book many times.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We make positive statements in the present perfect tense like this:
I/You/We/They have arrived.
He/She/It has
We make negative statements in the present perfect tense like this:
I/You/We/They have not arrived.
He/She/It has
Tip:
have not=haven't
has not=hasn't
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We ask and answer questions using the present perfect tense like this:
Have I/you/we/they arrived
Has he/she/it
Yes， I/you/we/they have.
he/she/it has.
No， I/you/we/they haven't.
he/she/it hasn't.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We form the past participles of regular verbs by adding -ed, just as what we do to form the simple past tense of these verbs.
Most verbs + ed finish→finished
Verbs ending in -e + d change→changed
Verbs ending in a consonant + y - y + ied carry→carried
Short verbs ending in a vowel + a consonant double the consonant + ed stop→stopped
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We form the past participles of irregular verbs differently. Here are some examples.
No change come→come hurt→hurt
Change the vowel hold→held win→won
Change the consonant lend→lent build→built
Change the vowel(s) and the consonant(s) catch→caught keep→kept
forget→forgotten tell→told
Others be→been have→had
fall→fallen fly→flown
draw→drawn see→seen
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Regular verbs Irregular verbs
Base form Past participle Base form Past participle
visit visited hit hit
repair repaired put put
live lived meet met
move moved make made
try tried sell sold
study studied give given
fit fitted write written
plan planned think thought
The table below shows more examples of the past participles of verbs.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Mr Wu wants the students to practise using the present perfect tense. Help them write the past participles of the verbs below.
A
▲
1 borrow _______
2 hope ______
3 make ______
4 get ______
9 say ______
10 grow ______
11 hit ______
12 enjoy ______
5 plan _______
6 cry _______
7 send _______
8 watch _______
borrowed
hoped
made
got
planned
cried
sent
watched
said
grown
hit
enjoyed
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Mr Wu asks the students to complete the sentences below using the present perfect tense. Help them complete the sentences.
B
▲
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 visited
has repaired
haven't seen
haven't come
has taught
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Millie and Sandy are talking about a film about the history of plete their conversation with the correct forms of the verbs in brackets.
C
▲
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Millie: ______ you _____ (see) any films recently, Sandy
Sandy: No, I haven't. What about you
Millie: I _____ (see) one last Saturday.
Sandy: What's it about
Millie: It's about the changes in Beijing over the past century. From this
film, I __________ (learn) more about Beijing's past and present.
Sandy: Oh, I think I __________ (hear) about the film. Do you plan to
see it again
Millie: Yes, I'd like to.
Have seen
saw
have learnt
have heard
Language Points
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时（Ⅰ）
我们用现在完成时表示从过去持续到现在的动作或状态，或已完成但对现在有一定影响的动作。如：
He has lived here since he came to Nanjing.
自从来到南京，他就住在这里。
I have lost my mobile phone.
我的手机丢了。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时常和already、ever、just、never、recently、yet等副词以及since、for引导的时间状语连用。如：
He has already taken first prize twice. 他已经拿过两次一等奖了。
He has not returned the book to me yet. 他还没有把那本书还给我。
He has never visited the Great Wall. 他从没去过长城。
注意：already常用于肯定句，意思是“已经”，而yet常用于否定句和疑问句，意思是“还”。
现在完成时的动词构成：have/has + 动词的过去分词
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时的结构：
1. 肯定句：主语 + have / has + 动词过去分词 (+ 其他).
e.g. Someone has cleaned the window. 有人已经擦了窗户。
We have lived here for two years. 我们在这里住了两年了。
2. 否定句：主语 + have / has + not + 动词过去分词 (+ 其他).
e.g. I haven't finished the work yet. 我还没有完成这项工作。
He hasn't cleaned his room. 他还没有打扫他的房间。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时的结构：
3. 一般疑问句及其肯定否定回答：
Have / Has + 主语 + 动词过去分词 (+ 其他)
Yes, 主语 + have / has. No, 主语 + haven't / hasn't.
e.g. Have you finished you homework 你做完作业了吗？
Yes, I have. 是的，我做完了。
No, I haven't. 不，我没有做完。
Has he ever been to Beijing 他曾经去过北京吗？
Yes, he has. 是的，他过去。
No, he hasn't. 不，他没有去过。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
大多数动词的过去分词变化形式同动词的过去式，可参考动词的过去式变化规则。
变化 举例
一般情况在动词原形后加-ed finish—finished—finished
以字母e 结尾的动词，只加-d move—moved—moved
以“ 辅音字母+y ”结尾的动词，把y 改为i，再加-ed carry—carried—carried
以重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加-ed stop—stopped—stopped
新知学习
课堂小结
当堂检测
学习目标
重点研讨
不规则动词的过去分词变化：
有些动词的过去分词和过去式的变化形式相同，其变化情况大致
分类如下：
变化 举例
与原形相同 hit—hit—hit hurt—hurt—hurt
在原形后加t或d learn—learnt—learnt hear—heard—heard
原形中的元音字母有变化 get—got—got sit—sat—sat
原形中的辅音字母有变化 make—made—made spill—spilt—spilt
原形中的元音、辅音字母都有变化 feel—felt—felt smell—smelt—smelt
新知学习
课堂小结
当堂检测
学习目标
重点研讨
有些动词的过去分词和过去式的变化形式不同，其变化情况大致分类如下：
变化 举例
与原形相同 come—came—come run—ran—run
原形中的元音字母有变化 ring—rang—rung sing—sang—sung
在原形上加en eat—ate—eaten fall—fell—fallen
在原形上加n see—saw—seen give—gave—given
在过去式上加n steal—stole—stolen break—broke—broken
原形、过去式和过去分词词形差异较大 do—did—done go—went—gone
重点单词：
yet, recently, past
Unit 1
Period 3
新知学习
课堂小结
当堂检测
学习目标
重点研讨
现在完成时的基本构成和用法：
现在完成时的动词构成：____________________;
动词过去分词的变化规则：
1.大多数词后加_____;
2.以字母e的词后加_____;
3.以一个辅音字母结尾的重读闭音节，双写最后
一个辅音字母再加_____;
4.以辅音字母+y结尾的词，将y改为__,再加____。
have/has + 动词的过去分词
ed
d
ed
i
ed
新知学习
课堂小结
当堂检测
学习目标
重点研讨
一、写出下列动词的过去分词。
work
live
stop
clean
play
hope
carry
look
study
plan
_________
_________
_________
_________
_________
_________
_________
_________
_________
_________
worked
looked
cleaned
played
lived
hoped
stopped
planned
studied
carried
新知学习
课堂小结
当堂检测
学习目标
重点研讨
二、用所给单词的正确形式填空。
1. I __________ (have) dinner. I am full.
2. We _________ (read) this story. I don't want to read it again.
3. They __________ (see) the movie. They can tell you something about it.
4. She __________ (keep) some nice toys since she was five.
5. Hurry up! Lunch _____ already ______ (begin).
6. We ___________ (wash) our clothes. They're clean now.
have had
have read
have seen
has kept
has
begun
have washed