Unit3 Online tours Grammar 课件23张2021-2022学年牛津译林版八年级下册

(共23张PPT)
Unit 3 Online tours
Grammar
Have a look
Look at the following sentences and judge their tenses.
1. One Sunday morning, Millie and Amy went to
Sunshine Park. (七年级下册 U5)
2. It took us about two hours to get there by bus. (八年
级上 U3)
3. He once tried to put in a brighter light in his
bedroom, but he made a mistake. (八年级上 U4)
4. When she was 20 months old, she learnt to look after
herself. (八年级上 U5)
5. Did you hear about the fire at a school in the UK last
week (八年级上 U8)
6. He put a wet blanket over Mrs Sun and helped her
out. (七年级下册 U7)
7. Have you used this before, Eddie (P34)
8. Look, this programme began an hour ago. (P34)
9. Have you noticed the “Tour” icon at the top of the
page (P36)
10. It has been famous for its theatres since the early
twentieth century. (P37)
Practice
1. One Sunday morning, Millie and Amy _____ (go) to Sunshine Park.
2. It _____ (take) us about two hours to get there by bus.
3. He once ______ (try) to put in a brighter light in his bedroom, but he ______ (make) a mistake.
4. When she _____ (be) 20 months old, she ______ (learn) to look after herself.
5. _____ (do) you hear about the fire at a school in the UK last week
went
took
tried
made
was
learnt
Did
6. He ____ (put) a wet blanket over Mrs Sun and ______ (help) her out.
7. ______ you _____ (use) this before, Eddie
8. Look, this programme ______ (begin) an hour ago.
9. _____ you _______ (notice) the “Tour” icon at the top of the page
10. It _________ (be) famous for its theatres since the early twentieth century.
put
helped
Have used
began
Have noticed
has been
Differences between
simple past tense and present perfect tense
一、构成不同
e.g. They lived here in 2011.
他们2011年住在这里。
We have lived here for three years.
我们已经在这里住了3年了。
一般过去时：主语 + 谓语动词的过去式
现在完成时：have/has + 动词的过去分词
二、用法不同
一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作。说话的侧重点只在于陈述一件过去的事情，不强调对“现在”产生的影响。
现在完成时表示的动作或状态与现在的情况有联系，侧重这一动作对现在所造成的影响。
We use the present perfect tense to talk about an action that started in the past and continues to the present.
We use the simple past tense to tell what happened in the past.
Daniel went to Beijing two years ago.
Daniel has lived in Beijing for two years.
Daniel has bought a new computer.
(Daniel has a new computer now.)
We use the simple past tense to tell what happened in the past.
We use the present perfect tense to talk about the result of an action. It might happen just now or some time ago.
Daniel bought a new computer last month.
Mr Wu has been to Canada twice.
Mr Wu visited Canada in 2010 and 2011.
We use the simple past tense to tell what happened in the past.
We use the present perfect tense to tell how many times an action happened till now.
三、时间状语不同
Tense The time expressions (标志词)
the simple past tense
the present perfect tense
yesterday, Last year, in May, in+过去某一年, two days ago, just now 等
already, just, yet, ever, never, recently, before, for+一段时间, since+过去的时间点, these years, so far, up to/till now, in/during/over the past/last few/three years, once, twice, several times等
Complete the sentences with the correct forms of the words in brackets.
I _________ (visit) the Palace Museum with my grandparents the other day.
I ________ (climb) Mount Huang last summer.
visited
climbed
______ you ever ______ (try) the famous Tianjin Baozi
I am happy that I ___________ (learn) to swim.
Have tried
have learned
Complete the sentences with the correct forms of the words in brackets.
1. I ________________ (finish/just) my homework.
Millie _______ (finish) her homework 20 minutes ago.
2. I ______ (write) an email to my friend yesterday.
Daniel _________________ (write/already) two emails.
3. I ________ (be) in Hainan last month.
Some of our classmates ______________ (not be) to
Hainan yet.
4. I __________ (live) in Sunshine Town since I was born.
Daniel ______ (live) in Nanjing in 2007.
have just finished
finished
wrote
has already written
was
have not been
have lived
lived
Millie: ___________________ (you/be/ever) to Nanjing
Simon: Yes. I __________ (be) there three times.
Millie: When __________ (you/go) there last
Simon: Last summer. I ______ (spend) a week there.
Millie: ____________ (you/like) it
Simon: Oh yes. I _____ (have) a great time there. I
______ (visit) many places of interest and ____
(eat) lots of local food.
Millie: Lucky you! I _______________ (be/never) there.
Complete the conversation with the correct forms of the words in brackets.
Have you ever been
have been
did you go
spent
Did you like
had
visited
ate
have never been
be buy read return see show
Saturday, 15 March
Have you ever dreamt of travelling around the world without a passport Yes, you can realize your dream by taking an online tour. Yesterday Danniel (1)_________ me an online tour of the USA. I (2)_____ never _____ so many wonderful pictrues before.
Last week, I (3)_________ a book about the places of interest in the USA. I (4)_________ 20 pages already. It’s really interesting. My dad (5)_____ just _________ from the USA, but I (6)______ never _______ there. I hope I can visit the USA some day.
showed
have seen
bought
have read
has returned
have been
Practice
1. He kept a cat as pet three years ago.
2. I have visited that new zoo last week.
3. My mother and I had a trip to the Huaduhui Market the other day.
4. Great changes have taken place in Yangzhou over the past years.
5. A terrible virus has broken out in Wuhan two months ago.
6. Chinese people worked hard to stop it from spreading recently.
Check whether the following sentences are correct or false.
T
F
T
T
F
F
visited
broke
have worked
Useful phrases and expressions
1. the other day 几天前
2. write an email to sb. 给某人写电子邮件
3. dream of/about doing sth. 梦想做某事
4. travel around the world without a passport
不用护照环游世界
5. realize one’s dream 实现某人的梦想
6. an online tour of the USA 在线美国之旅
Exercises
1. Paul and I ______ tennis yesterday. He did much better than I.
A. play B. will play C. played D. are playing
2. Mr. Black is going to marry a girl he ______ in Japan last year.
A. meets B. met C. has met D. would meet
3. — Have you ever been to Canada
— Yes, I ______ there last year with my parents.
A. have been B. have gone
C. went D. go
4. My aunt is a writer. She ______ more than ten books since 1980.
A. writes B. wrote C. has written D. will write
5. How time flies! Several years ______ since we started our middle school life. We will keep the pleasant experiences in our minds.
A. have pass B. has passed C. will pass
6. — Where were you last Saturday
— I _______ in the Capital Museum.
A. am B. will be C. was D. have been
7. Julie’s father ______ to London last month. He ______ there three times.
A. went; had gone B. has gone; has been
C. went; has been D. has been; had gone
8. Tony ______ football every weekend when he was young.
A. plays B. played C. is playing D. has played
9. — Anna, have you ______ seen China’s Got Talent
— Of course. I ______ it last weekend.
　A. never; saw 　　 B. ever; have seen
　C. never; have seen D. ever; saw
10. — How long have you ______ here
— For two days. I ______ here the day before yesterday.
A. been; came B. come; came
C. came; came D. been; will come
1. We _______ (plant) trees last Sunday. So far we ____________ (plant) over 300 trees there.
2. A terrible earthquake ___________ (happen) in Wenchuan on May 12, 2008.
3. He ___________ (work) here since last year.
4. ---_____ you _____ (be) to the United States
---Not yet. But I _____ (go) to Canada a few years ago.
5. Last year I _____ (go) to the theatre every week.
6. In 1995, there ______ (be) a very big race.
7. Last Sunday I ______ (get) up very late.
8. He __________ (teach) in our school for 30 years.
planted
have planted
happened
has worked
Have been
went
went
was
got
has taught
Thank you!