Unit 3 Online tours现在完成时与过去时区别课件2021-2022学年牛津译林版八年级英语下册（共21张PPT）
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| 名称 | Unit 3 Online tours现在完成时与过去时区别课件2021-2022学年牛津译林版八年级英语下册（共21张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 1.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-07-25 21:43:48 | ||
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(共21张PPT)
Unit 3
Online tours
Grammar
We use the simple past tense to tell what happened in the past.
past
present
Daniel went to Beijing two years ago.
We use the present perfect tense to talk about an action that started in the past and continues to the present.
Daniel has lived in Beijing for two years.
past
present
We use the simple past tense to tell what happened in the past.
past
present
Daniel bought a new computer last month.
We use the present perfect tense to talk about the result of an action. When the action happened is not very important.
Daniel has bought a new computer. (He has a computer now.)
past
present
We use the simple past tense to tell what happened in the past.
past
present
He visited Canada in 2010 and 2011.
We use the present perfect tense to tell how many times an action has happened till now.
He has been to Canada twice.
past
present
一、构成不同
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 + V-ed
现在完成时与一般过去时的区别
二、用法不同
He has read that book.
(说明他现在知道那本书的内容。)
He read that book last year.
(只说明他去年读过那本书。 )
He has gone to America.
(他现在不在此地， 到美国去了。)
He went to America.
(只说明他去过美国。)
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。
三、时间状语不同
Did you watch that film last week
你上周看那部电影了吗？
She came back yesterday.
她是昨天回来的。
His father has been a teacher since 1968.
他父亲从1968年以来一直当老师。
— Have you ever been to London
— No, I have never been there.
— 你曾经去过伦敦吗？
— 没有，以前从没去过。
I ________ (visit) the Palace Museum with my grandparents the other day.
I ________ (climb) Mount Huang last summer.
visited
climbed
Complete the sentences with the correct forms of the words in brackets.(P41A)
I am happy that I ___________ (learn) to swim.
______ you ever ______ (try) the famous Tianjin Baozi
Have tried
have learnt
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.
have just finished
finished
wrote
has already written
Complete the sentences with the correct forms of the words in brackets.(P41B)
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.
was
have not been
have lived
lived
Millie: ___________________
(you/be/ever) to Nanjing
Simon: Yes. I(2)____________(be) there three times.
Millie: When (3)____________ (you/go) there last
Simon: Last summer. I (4)______(spend) a week there.
Millie: (5)____________ (you/like) it
Have you ever been
have been
did you go
spent
Do you like
Simon: Oh yes. I (6)_____ (have) a great time there. I (7)______ (visit) many places of interest and (8)____ (eat) lots of local food.
Millie: Lucky you! I (9)_______________
(be/never) there.
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.
showed
have seen
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.
be buy read return see show
have been
bought
have read
has
returned
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.
用所给动词的适当形式填空。
planted
have planted
happened
has worked
4. _____ you _____ (is) 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.
Have been
went
went
was
got
has taught
2.Hurry up! The meeting ____ just______(begin). It ________(begin) just now.
Millie __________(study) in this school since 1999. She ________(study) French in 1999.
3.The farmers ___________(plant) 2500 trees since last month. They ______(grow) 100 trees last month.
has studied
studied
has begun
began
have planted
grew
Exercises
4._____ Mary _______(meet) you since you __________(leave) school 20 years ago
5.---I ______(lose) my watch this morning.
---Is that yours It ___________(be) on the teacher’s desk for the whole morning.
I____________ (not find) it yet. _____ anyone_______(see) it
Has met
left
lost
haven’t found
Has
has been
seen
1.How long ____ you ____ (live) in Nanjing since
you _____(be) born
2.Tom with his family _____(live) in Nanjing now,
but they ________(move) to America soon.
3.Tim ____ only ___(meet) me once. We ____(meet)
two years ago.
4.They ________(know) each other since 10 years ago.
5.We ___(move) out of the city of Suzhou10 years ago.
because the government ___(want)to build a road.
6.I __________(learn) English for many years.
8.They ___(be) in Nanjing since they __(go) there.
9.In the past, there ____(be) no people in this place.
Now this place ______(turn) into a supermarket.
10.It’s nice___(have) open space and pretty gardens.
have lived
were
lives
will move
have met
met
have known
moved
wanted
have learned
have been
went
were
has turned
to have
Unit 3
Online tours
Grammar
We use the simple past tense to tell what happened in the past.
past
present
Daniel went to Beijing two years ago.
We use the present perfect tense to talk about an action that started in the past and continues to the present.
Daniel has lived in Beijing for two years.
past
present
We use the simple past tense to tell what happened in the past.
past
present
Daniel bought a new computer last month.
We use the present perfect tense to talk about the result of an action. When the action happened is not very important.
Daniel has bought a new computer. (He has a computer now.)
past
present
We use the simple past tense to tell what happened in the past.
past
present
He visited Canada in 2010 and 2011.
We use the present perfect tense to tell how many times an action has happened till now.
He has been to Canada twice.
past
present
一、构成不同
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 + V-ed
现在完成时与一般过去时的区别
二、用法不同
He has read that book.
(说明他现在知道那本书的内容。)
He read that book last year.
(只说明他去年读过那本书。 )
He has gone to America.
(他现在不在此地， 到美国去了。)
He went to America.
(只说明他去过美国。)
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。
三、时间状语不同
Did you watch that film last week
你上周看那部电影了吗？
She came back yesterday.
她是昨天回来的。
His father has been a teacher since 1968.
他父亲从1968年以来一直当老师。
— Have you ever been to London
— No, I have never been there.
— 你曾经去过伦敦吗？
— 没有，以前从没去过。
I ________ (visit) the Palace Museum with my grandparents the other day.
I ________ (climb) Mount Huang last summer.
visited
climbed
Complete the sentences with the correct forms of the words in brackets.(P41A)
I am happy that I ___________ (learn) to swim.
______ you ever ______ (try) the famous Tianjin Baozi
Have tried
have learnt
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.
have just finished
finished
wrote
has already written
Complete the sentences with the correct forms of the words in brackets.(P41B)
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.
was
have not been
have lived
lived
Millie: ___________________
(you/be/ever) to Nanjing
Simon: Yes. I(2)____________(be) there three times.
Millie: When (3)____________ (you/go) there last
Simon: Last summer. I (4)______(spend) a week there.
Millie: (5)____________ (you/like) it
Have you ever been
have been
did you go
spent
Do you like
Simon: Oh yes. I (6)_____ (have) a great time there. I (7)______ (visit) many places of interest and (8)____ (eat) lots of local food.
Millie: Lucky you! I (9)_______________
(be/never) there.
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.
showed
have seen
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.
be buy read return see show
have been
bought
have read
has
returned
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.
用所给动词的适当形式填空。
planted
have planted
happened
has worked
4. _____ you _____ (is) 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.
Have been
went
went
was
got
has taught
2.Hurry up! The meeting ____ just______(begin). It ________(begin) just now.
Millie __________(study) in this school since 1999. She ________(study) French in 1999.
3.The farmers ___________(plant) 2500 trees since last month. They ______(grow) 100 trees last month.
has studied
studied
has begun
began
have planted
grew
Exercises
4._____ Mary _______(meet) you since you __________(leave) school 20 years ago
5.---I ______(lose) my watch this morning.
---Is that yours It ___________(be) on the teacher’s desk for the whole morning.
I____________ (not find) it yet. _____ anyone_______(see) it
Has met
left
lost
haven’t found
Has
has been
seen
1.How long ____ you ____ (live) in Nanjing since
you _____(be) born
2.Tom with his family _____(live) in Nanjing now,
but they ________(move) to America soon.
3.Tim ____ only ___(meet) me once. We ____(meet)
two years ago.
4.They ________(know) each other since 10 years ago.
5.We ___(move) out of the city of Suzhou10 years ago.
because the government ___(want)to build a road.
6.I __________(learn) English for many years.
8.They ___(be) in Nanjing since they __(go) there.
9.In the past, there ____(be) no people in this place.
Now this place ______(turn) into a supermarket.
10.It’s nice___(have) open space and pretty gardens.
have lived
were
lives
will move
have met
met
have known
moved
wanted
have learned
have been
went
were
has turned
to have