8B Unit1 Past and present Grammar课件（21张PPT)
文档属性
| 名称 | 8B Unit1 Past and present Grammar课件（21张PPT) |  | |
| 格式 | zip | ||
| 文件大小 | 218.5KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-03-20 13:47:57 | ||
图片预览
文档简介
课件21张PPT。Unit I Past and present GrammarDo you still remember the following sentences? Have a try!
你看见我的食物了吗？
你已经吃了我的食物！
你变了！
从我出生我就住在这儿。
从那时起我们就住在这个地区。
RevisionThe Present Perfect Tense (现在完成时)一、现在完成时的含义现在完成时用来表示动作发生在过去，并且持续到现在的动作或状态；
动作或状态发生在过去，但它的影响现在还存在；
还可以表示一个动作到现在为止发生了多少次。二、现在完成时的构成 现在完成时的肯定句句型:
1)主语（第一、二人称和第三人称复数）+ have+过去分词 You have lived in Nanjing for 10 years. e.g. I have finished my report.2)主语（第三人称单数） +has +过去分词
e.g. He has been in Beijing for two months. They have moved away.2. 现在完成时的否定句
句型主语+have/has+ not+过去分词
e.g. I have not seen the film yet.
He hasn’t been to Tianjin since
then.3. 现在完成时的一般疑问句
句型 Have/Has+主语+过去分词
Have you….? Has he….?
Yes, I have. Yes, he has.
No, I haven’t. No, he hasn’t. 三、现在完成时的时间副词和时间短语1. 副词already和yet。already一般用于肯定句中，yet一般用于否定句和 疑问句中。 They haven't finished their homework yet. 他们还没有完成作业。我们已完成作业了。We have already finished our homework. 2. 副词ever 和never。多用于否定或疑问
句中，表示“曾经”或“从未“等。?
如: 1) 你曾经看过世界杯吗? Have you ever watched the World Cup?2)我从未看过世界杯。I have never watched the World Cup.3. 用表示到说话时为止的时间状语,
如 : just, before, up to now,
the past/last few years等。我以前见过她，但记不起在哪里见过。2) 近几天他去过那里两次了。He has been there twice the last few days. 1) ___________________, but I can not
remember where.I have seen her before I haven't seen him for two years.
I haven’t seen him since 2 years ago.
It’s 2 years since I saw him.4. 表示动作或状态从某一时刻开始，
一直持续到现在的时间状语: for+ 一段时间, since +过去时间或一般过去时的句子, so far, 我两年没有见过他了。四、过去分词的构成travelledmovedstayedownedlearnedvisitedstoppedfinishedshoppedsolvedA. 规则动词的过去分词We add ‘-ed’ to regular verbs. B. 不规则动词的过去分词thoughtcaughtgivenmadewrittenputcostgrownhurtrunfeltfallenflownhaddrunkbroughtwornsungforgottenkept 动词原形 动词过去式 动词过去分词
A B B bring brought brought
A B C do did done
A A A let let let
A B A come came come
A A B beat beat beatenPage 122-123Finish P14 Part Aborrowedhopedmade got planned criedsentwatchedsaidgrownhitenjoyedMr Wu asks the students to complete the sentences below using the present perfect tense. Help them complete the sentences.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.have finishedhas visitedhas repairedhaven’t seen5. My parents _____________ (not come)
back yet.
6. Our teacher __________ (teach) us
a lot about the history of China.haven’t comehas taughtMillie and Sandy are talking about a film about the history of Beijing.
Complete their conversation with the correct forms of the verbs in brackets.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?Have seensawMillie: 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 learnthave heard
你看见我的食物了吗？
你已经吃了我的食物！
你变了！
从我出生我就住在这儿。
从那时起我们就住在这个地区。
RevisionThe Present Perfect Tense (现在完成时)一、现在完成时的含义现在完成时用来表示动作发生在过去，并且持续到现在的动作或状态；
动作或状态发生在过去，但它的影响现在还存在；
还可以表示一个动作到现在为止发生了多少次。二、现在完成时的构成 现在完成时的肯定句句型:
1)主语（第一、二人称和第三人称复数）+ have+过去分词 You have lived in Nanjing for 10 years. e.g. I have finished my report.2)主语（第三人称单数） +has +过去分词
e.g. He has been in Beijing for two months. They have moved away.2. 现在完成时的否定句
句型主语+have/has+ not+过去分词
e.g. I have not seen the film yet.
He hasn’t been to Tianjin since
then.3. 现在完成时的一般疑问句
句型 Have/Has+主语+过去分词
Have you….? Has he….?
Yes, I have. Yes, he has.
No, I haven’t. No, he hasn’t. 三、现在完成时的时间副词和时间短语1. 副词already和yet。already一般用于肯定句中，yet一般用于否定句和 疑问句中。 They haven't finished their homework yet. 他们还没有完成作业。我们已完成作业了。We have already finished our homework. 2. 副词ever 和never。多用于否定或疑问
句中，表示“曾经”或“从未“等。?
如: 1) 你曾经看过世界杯吗? Have you ever watched the World Cup?2)我从未看过世界杯。I have never watched the World Cup.3. 用表示到说话时为止的时间状语,
如 : just, before, up to now,
the past/last few years等。我以前见过她，但记不起在哪里见过。2) 近几天他去过那里两次了。He has been there twice the last few days. 1) ___________________, but I can not
remember where.I have seen her before I haven't seen him for two years.
I haven’t seen him since 2 years ago.
It’s 2 years since I saw him.4. 表示动作或状态从某一时刻开始，
一直持续到现在的时间状语: for+ 一段时间, since +过去时间或一般过去时的句子, so far, 我两年没有见过他了。四、过去分词的构成travelledmovedstayedownedlearnedvisitedstoppedfinishedshoppedsolvedA. 规则动词的过去分词We add ‘-ed’ to regular verbs. B. 不规则动词的过去分词thoughtcaughtgivenmadewrittenputcostgrownhurtrunfeltfallenflownhaddrunkbroughtwornsungforgottenkept 动词原形 动词过去式 动词过去分词
A B B bring brought brought
A B C do did done
A A A let let let
A B A come came come
A A B beat beat beatenPage 122-123Finish P14 Part Aborrowedhopedmade got planned criedsentwatchedsaidgrownhitenjoyedMr Wu asks the students to complete the sentences below using the present perfect tense. Help them complete the sentences.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.have finishedhas visitedhas repairedhaven’t seen5. My parents _____________ (not come)
back yet.
6. Our teacher __________ (teach) us
a lot about the history of China.haven’t comehas taughtMillie and Sandy are talking about a film about the history of Beijing.
Complete their conversation with the correct forms of the verbs in brackets.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?Have seensawMillie: 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 learnthave heard