Unit 3 Online tours Grammar： Simple past tense and present perfect tense 课件32张

(共32张PPT)
8B Unit3 Online Tour
Grammar
Learning aims
To know the differences between the simple past tense and the present perfect tense.
To make up sentences with the simple past tense and the present perfect tense.
How well do you know him?
He studied at primary school from 2005 to 2011.
He joined the TFboys four years ago.
1999
2005 2011
2013
2017
He was born in 1999.
born
primary school
join the TFboys
He was born in 1999.
He studied at primary school from 2005 to 2011.
He joined the TFboys four years ago.



常与一般过去时态连用的时间有：
yesterday (morning /afternoon/ evening),
the day before yesterday, last night (week/ month/ year)
(two days/a week/three years) ago, this morning
in (1990, October), the other day, just now
simple past tense 一般过去时
I ______ (play) football the day before yesterday.

I ________ (borrow) books from the school library two days ago.
played
borrowed
I _____(come) to Yangzhou in 2010.
I __________(live) in Yangzhou for seven years.
I ____________(work) in Tian Jiabing Middle school since I left college.
have lived
have worked
I __________(teach) English since 2010.
have taught
I have never been abroad.
I have been to Nanjing many times.
came
2010
2017
present perfect tense现在完成时
1989
I have lived in Yangzhou for seven years.
I have taught English since 2010.
I have never been abroad.








常与现在完成时连用的时间状语有：
since, for,
already, just, ever, never, yet, recently,
once, twice, ..., many times,
in/during/over the years, so far, till now
present perfect tense 现在完成时
My sister __________
(learn) English
since 6 years ago.
They ___________
(be) students for 9 years.
has learnt
have been
Things that happened in the past
An action happened in the past and continues to now;
The result of an action;
How many times an action happened in the past.
past form
(过去式)
have/has +past participle（过去分词）
yesterday, the day before yesterday, just now, ...
last year/...,
two years /...ago，
in 2008/...
since, for,
already, just, ever, never, yet, recently, once, twice, ..., many times, in/during/over the years, so far, till now
The differences between the simple past tense and present perfect tense
simple past tense
一般现在时 present perfect tense
现在完成时
Definitions
定义

Forms构成

Time expression
时间状语
Finish Part A and B on p41
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 learnt
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.
has already written
have just finished
wrote
finished
3. I ______(be) in Hainan last week.
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
lived
have lived
have not been
Level 1中考链接
( ) 1. Have you ever been to Yangzhou?
Yes. Last month, I ______ there.
A. have been B. went C. will go D. go
( ) 2. Julie and her father______to the Slender West
Lake two days ago.They ______ there many times.
A.went;have been B.go;have been
C. went;has been D. have gone;are
( ) 3. A mumber of tourists_______Yangzhou
over the past years.
A.have been to B.has been to
C.has gone to D. have gone to
( ) 4. I wonder when you _________the new watch. Well, I ______it for two weeks.
A. have bought; have had
B. bought; have bought
C. bought; have had
D. have bought; have bought
( ) 5.?---Where?have?you_______?these?days??
---I?have_______?to?Yangzhou?with?my?friends.?
A.?been;?gone? B.?been;?been?
C.?gone;?been? D.?gone;?gone?
Level 2用一般过去时或现在完成时完成下列句子。
1.Eric?__________(live)here?since?he?________
(move)?to?Wuxi.
2.He________(buy)?an?English?dictionary?yesterday.?
3.Someone?____?just?_______(turn)?off?the?lights?in?the?room.
4.Millie?________(see)?the?film?on?TV?last?night.
5.They?_____________(learn)?English?for?nearly?ten?years.?
has lived
moved
bought
has turned
saw
have learnt
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
Did 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
A: Have you ever been to the
Slender West Lake/…？
B:Yes. I have been there four times.
A: When did you last go there?
B:….
A:Do you like it？
B:Yes. I had a great time there.
A:What did you do there?
B:I took some photos there….
A:That sounds good. I hope to visit it some day.
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 pictures 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.
have been
bought
have read
has
returned
Yangzhou Tourism Festival will come next month. To let more people know about Yangzhou, work in groups and try to write a sentence about Yangzhou’s past and present.
Yangzhou is a beautiful with a long history.
In the past, people lived in small old houses,
But now they have moved into new flats.
……
Welcome to Yangzhou!
1984
Thirty years ago,
small, old houses;
Now,
flats
1990
In 1990,
narrow;dirty
at present,
wide;clean
2012
At that moment,
a large open space
Since 2012,
a new airport
Take a journey to Yangzhou in the misty flowrey March.(烟花三月下扬州).
Welcome to Yangzhou!




Homework
1.复习一般过去时与现在完成时的区别。
2.完成学案课后练习Level 1和Level 2。