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(共16張PPT)
Unit 3
Grammar Focus
Same
or different
3a Read the sentences and notice the comparatives in bold.
Find more examples in Section A.
原形 比較級
fast faster
slow slower
funny funnier
loud louder
lazy lazier
good/well better
long longer
outgoing more outgoing
boring more boring
The summary of comparatives in Section A
形容詞/副詞的比較級
Comparatives
__________
比較級的使用：
兩個人或事物/兩部分
進行比較時，用比較級。
Circle the comparatives of adjs and advs
Work in pairs. Find the rules.
(how to change the adjs and advs into comparatives )
A + V. + 形容詞/副詞的比較級+than + B.
Emma is taller than Ella
Ella is more outgoing than Emma
Can you summarize the sentence structures
規(guī)則變化（一）：單音節(jié)詞和大部分雙音節(jié)詞
smart—smarter fast—faster
high—higher hard—harder
fine—finer late--later
1.一般在
詞尾加 er
2. 以字母e 結(jié)
尾的詞,加 r
規(guī)則變化（一）：單音節(jié)詞和大部分雙音節(jié)詞
big—bigger thin—thinner fat-fatter
funny—funnier friendly—friendlier
lazy—lazier early--earlier
3. 重讀閉音節(jié)詞只有一個輔音字母時，即倒數(shù)輔元輔,雙寫輔音字母,加 er
4. 以輔音字母加“y”結(jié)尾的雙音節(jié)詞,先改“y”為“i”再加er
規(guī)則變化（二）：
部分雙音節(jié)詞和多音節(jié)詞前加more
delicious– more delicious outgoing—more outgoing
hard-working—more hard-working
不規(guī)則變化：
原級 比較級
good/well better
bad/badly worse
many/much more
little less
far farther
further
I am as friendly as you sister.
Emma works as hard as Ella.
A + V. + as 形容詞/副詞的原級+as + B.
Eg: Are you as friendly as your sister
This cat is as cute as that one.
Does Tara sing as loudly as Tina
“原級”比較: A 和B 一樣...
Exercises
一、單項選擇
( ) 1.Sam is 11 years old. Peter is 16 years old. Peter is 5 years______ than Sam.
A. older B. shorter C. newer D. longer
A
( ) 2.Bill says,"Robinson Crusoe is______interesting than
Tom Sawyer.”
A. very more B. more much C.much more
C
Exercises
( ) 3. ——Lucy , our father’s birthday is coming. Let’s buy a card for him.
——Why not make one by ourselves It will be ______ than buying one.
A. meaningful B. much meaningful
C. more meaningful D. the most meaningful
一、單項選擇
C
Exercises
二、用括號內(nèi)所給單詞的適當形式填空。
1. We all think Mike works __________(hard) than Alan.
2. Don't you thimk our city is _______ (good) than before
harder
better
3. Which girl is _____________ (outgoing), your sister or your cousin
4. After doing sports for months,Tina is becoming _______ (thin) than before.
more outgoing
thinner
3b Use the words in brackets to write questions and answers.
We can change comparatives into as...as
Are you
比較級“更”...
一樣...嗎？
Are you as serious as your cousin
一樣...嗎？
比較級“更”...
Is Tom smarter than Sam
Smart
Does Jack swim faster than Sally
fast
What sentences pattern can we use to ask
more serious
3c Look at the chart below . What facts can you get
Five Facts
[ p pju le n] 人口
[ eri ] 地區(qū)
[ v( )r d ] 平均降雨量
[ temp( )r t r] 溫度
larger
smaller
drier
warmer
cooler
Chicago
Guangzhou
large small much warm cool
Complete the sentences to compare Guangzhou and Chicago.
Use the words in the box and than.
smaller than
larger than
It is much drier than
warmer than
cooler than

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