Module 3 Life now and then Unit 3 Language in use.语法课件(共26张PPT)

(共26张PPT)
Unit3 Language in use
1. People are wealthier today, and they live longer than they did in the past.
2. But people don't take as much exercise as they used to.
3. More people have cars, and they walk or use their bikes less.
4. We eat better and we live longer.
Read and think
[探究1 形容词和副词的句法功能]
（一）形容词的句法功能
功能 说明 例句
定语 名词前或不定代词后作定语 Mr Wang is a patient teacher.王老师是一位有耐心的老师。
功能 说明 例句
表语 系动词后作表语 It's very cold today. 今天非常冷。
宾语补足语 keep, make, leave等动词的宾语后作宾语补足语 Don't keep the window open. 别让窗户开着。
[提示] 1.形容词作定语一般放在名词之前，但是如果修饰的是something，anything，nothing，somebody, anybody, nobody等不定代词，就要放在其________。如：
Is there anything interesting in today's newspaper
今天报纸上有什么有趣的事情吗？
2．以 ly结尾的词多为________，但如果是“名词＋ ly”则一般构成________，如friendly, lovely, weekly等。如：
His brother is friendly and lovely.他弟弟友好又可爱。
后面
副词
形容词
（二）副词的句法功能
副词一般用作状语，修饰动词、形容词、副词以及全句，表示程度、方式等。如：
Jack studies English well．杰克英语学得好。
We are very interested in swimming.我们对游泳很感兴趣。
Liu Yu runs too quickly．刘宇跑得太快了。
Luckily, we brought our umbrellas and raincoats.
幸运的是，我们带了雨伞和雨衣。
[探究2 形容词与副词的比较等级]
（一）形容词与副词的比较级和最高级的构成
1．规则变化
1)一般在词尾加 er和 est
tall—_______—________ long—_______—________
2)以不发音字母e结尾的加 r和 st
fine—_______—________ late—_______—________
taller
tallest
longer
longest
finer
later
finest
latest
3)以重读闭音节结尾且末尾只有一个辅音字母时，须双写这个辅音字母，再加 er和 est
big—_______—________ thin—_______—________
4) 以“辅音字母 + y”结尾的双音节词，先把“y”改为“i”再加-er, -est
easy—______—______ friendly—________—________
4) 多音节和部分双音节，在原级前加more, most
interesting—______________—____________
easier
biggest
thinner
thinnest
bigger
easiest
friendlier
friendliest
more interesting
most interesting
2．不规则变化
good/well better best
many/much more most
little less least
bad/badly/ill worse worst
far farther further
farthest furthest
old older oldest
elder eldest
（二）基本句型
1．比较级句型
1)“比较级＋than”表示“____________”
China is larger than Italy.
中国比意大利大。
2)“less＋原级＋than”表示“____________”
The book is less inter esting than that one.
这本书不如那本书有趣。
比……更……
不如……
3)“倍数＋比较级＋than”表示“是……的几倍……”
This box is three times bigger than that one.
这个箱子是那个的三倍大。
4)“比较级＋and＋比较级”表示“____________”
Our country is becoming stronger and stronger.
我们的国家正变得越来越强大。
5)“the＋比较级…，the＋比较级…”表示“____________”
The more, the better. 多多益善。
越来越……　
越……，越……
2.同级比较句型
“as＋原级＋as”意为“____________”，其否定形式可用“not as/so＋原级＋as”表示，意为“____________”。如：
I am as thin as my mother.
我和我妈妈一样瘦。
The weather here is not as/so hot as that in Wuhan.
这里的天气不如武汉热。
与……一样
不及……
3．最高级句型
(1)the＋最高级＋of/in…
Mary is the quietest of all my friends.
玛丽是我朋友中最文静的。
(2)选择疑问句
Who is the strongest, Tom, Jack or Bill
汤姆、杰克和比尔，谁最强壮？
(3)the＋最高级＋定语从句
It's the most interesting gift that I have ever received.
这是我曾收到的最有趣的礼物。
[探究3 比较级和最高级的修饰语]
比较级和最高级的修饰语多置于其所修饰的形容词或副词之前。
(1)常见的比较级修饰语有much, a lot, even, far等。如：
He studies much harder than before.
他学习比以前努力多了。
(2)常见的最高级修饰语有by far, nearly等。如：
This is by far the cheapest ticket to a soccer game.
这是目前足球赛最便宜的票了。
1
Complete the passage with the correct form of the words in brackets.
For many people, life is a lot (1) ______ (easy) today. Medicine and diet are improving, and people are getting (2) _________ (healthy) and living (3) _______ (long). But communication is changing (4) _______ (fast) of all. Today, with the Internet, people can communicate (5) __________ (easily) than ever before with friends all over the world.
easier
healthier
longer
fastest
more easily
Not all the changes are (6) ____ (good) ones. More people drive cars instead of riding bikes, so they are not as (7) __ (fit) as they were. Increasing traffic makes the roads (8) _____________ (crowded) than ever, and it also makes pollution (9) ______ (bad). We must all work harder to reduce pollution.
good
fit
more crowded
worse
2
Look at the two pictures and talk about how the town has changed. Use the words in the box to help you.
big building busy house modern
more shop street tall traffic tree
Sample answers:
1. There are more cars in the street today than it was 50 years ago.
2. The buildings are much taller, much more beautiful and much newer.
3. The streets are much wider.
4. The environment is much better.
5. I can see people are much busier than before.
6. The life is much better than before.
7. There are more shops than before.
3
Complete the sentences with the words or expressions in the box.
1. We _______ have time to go on holiday.
2. We do not have much _____ time because we have important exams this year.
3. Never go out in the ____ of the day without a hat.
heat more than seldom spare speak up
seldom
spare
heat
4. You have to __________ because the students in the back cannot hear you.
5. Mr Smith is __________ a teacher. Most of his pupils think of him as their friend.
heat more than seldom spare speak up
speak up
more than
Exercise
1. -What do you think of Tom’s speaking
-No one does ____ in our class.
A. good B. better C. well D. best
2.-Which city is your favorite
-Hangzhou, of course. It’s the ___ place that I want to visit.
A. worse B. worst C. better D .best
B
D
3. —What a careful boy you are!
—Thank you. In fact, Tom does everything ___ than me.
A. more carefully B. more careful C. much careful
4. — It’s so cold today.
— Yes, it’s _____ colder than it was yesterday.
　A. some B. more
C. very D. much
A
D
5. The more you smile, the _____ you will feel.
A. happy B. happier
C. happily D. more happily
6. —Many boy students think maths is ________ English.
—I agree.I'm weak in English.
A. much difficult than B. so difficult as
C. less difficult than D. more difficult than
B
C
用括号中所给形容词或副词的适当形式填空
1.TikTok, which is ________ (sudden) everywhere on
the Internet, is making its way into our lives.
2.It's important for everyone to know how to ask for
help ________(polite).
3.Beipanjiang Bridge in my home town is ________
(cool) one I have ever seen.
suddenly
politely
the coolest
4.Bill lives _______ (far) than any other student in his class.
5.The earth is getting ______ and _______, isn't it (warm)
6.Rose thinks health is much _____________ (important) than wealth.
7.Bob speaks Chinese _______ (well) than his brother does.
8.I think this novel is as ________ (interesting) as that one.
farther
warmer warmer
more important
interesting
better
GOOD JOB