Unit1 Topic 3 The world has changed for the better.Section A (20张，无素材)

Topic 3 The world has changed for the better .
Section A
仁爱版九年级上册
Who can describe Beijing?
In the past
Nowadays

What took place in New York?
1b Listen to 1a and tick what was mentioned about New York.
In the past
terrible traffic
dirty streets
unfriendly people
dangerous to live
less shopping centers
Nowadays
beautiful parks
clean and fresh air
huge markets
famous museums
good schools
excellent restaurants
Read the 1a, and try to answer the questions:
1.How much does helen know about the traffic in the past in New York ?
2. Does Helen have any ideas about the streets in New York ?
She heard that the local traffic was terrible and almost everyone drove too fast.
Important sentences
1.You have been in New York for a long time.
2.The city has improved a lot since I came here a few days ago.
You have been in New York for a long time.
for a long time
came to New York
present
past
sb. have/ has been in... 某人一直在……
e.g. I have been in the new school for a week.
for a week
last week
present
past
for + 时间段
..., but the city has improved a lot since I came here a few years ago.
since I came here a few years ago
came here
present
past
since +从句（从句谓语动词用过去式）
e.g. She works in the school since 1995.
since 1995
lived
present
past
since +时间点
e.g. He has waited for Tom since two hours ago.
since two hours ago
8:00
present
past
since + 时间段+ago
10:00
I have worked in the school for three years .
=I have worked in the school since three years ago .
=I have worked in the school since 2011.
=I have worked here since I came to the school .
for+时间段
since+时间段+ago
since+时间点
since+从句
NOTES
3 Look carefully and think about the differences between since and for in 1a. Then complete the sentences with since or for and check.
1.I have lived in Beijing ______ three years.
______2011.
2. He has waited for Tom ______ two hours ago.
______ two hours.
3. We have learned chemistry ___ one month.
____ the new term
began.
for
for
for
since
since
since

Fill in the blanks with for or since.
1. His father has been dead ______ he was
ten years old.
2. Michael has been away from the army
______ six years.
3. He has been in Chongqing _______2003.
4. My brother has had a car ______ two
months.
5. Tom has kept a book ______ 5:00 a.m.
since
for
since
for
since
Exercises
2 Fill in the blanks with the correct forms of the given words or phrases and then listen to the passage to check the answers.

Broadway is a street in New York . It has been there____
1811. It ________ be dirty. But it ____________ since the
1920s. The area near Times Square is the home of
Broadway theaters . There have been many famous
______ along the street for many years . A lot of artists
perform plays , concerts and operas there . Every year
millions of visitors come to enjoy the ________ music and
dance on Broadway . ______________ , Broadway stands for the American theatre industry .
since
used to
theaters
wonderful
As a matter of fact
has improved
n.艺术家
theater used to improve wonderful
as a matter of fact since
4 Work in groups and talk about the place you live. Compare today’s situation with that of the past. The following dialogs may help you.
A:I have been in … for /since …
B: How do you like living there ?
A: It is … / Very good. /I really…
B: Was the local traffic terrible /good/…?
A: Yes./No, it was … / used to be … in the
past, and now it is …
B: …
like this :
I have been in … for /since …
It is … I really like living there.
It used to be … in the past,
and now it is …
Summary:
1. Some words:
block, artist, visitor, industry, chemistry,term
2. Some phrases:
as a matter of fact , millions of
Use the Present Perfect Tense with for andsince .
1.You have been in New York for a long time.
2.The city has improved a lot since I came here a few years ago .

Homework
2. Make five sentences , using for and since.
1. Read 1a aloud.