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Unit4 What’s the best movie theater?
Grammar Focus(语法同步讲)
语法一、形容词的最高级的用法
- 形容词最高级变化（形容词原级→形容词比较级→最高级）
规则变化：
- 词尾+est
tall--taller--tallest old--older--oldest
- 以不发音的e结尾的单词+st
Large--larger--largest
- 以重读闭音节结尾，双写末尾辅音字母+est
big--bigger--biggest hot--hotter--hottest
- 以辅音字母+y结尾的单词改y为i+est
busy--busier--busiest early--earlier--earliest
其他多音节词：the most+形容词原级
beautiful--more beautiful--the most beautiful
不规则变化：
bad/ill---worse---worst good/well---better---best little---less---least
much/many---more----most far---farther/further---farthest/furthest
old---older/elder---oldest/eldest
- 形容词最高级的基本句式
The Yangtze River is the longest river in China .
The Yellow River is the second longest river in China .
句式一、A+be 动词+the+形容词最高级+范围（of/in/among）
句式二、A+be动词+the+序数词+形容词最高级+范围（of/in/among）
注意：当物主代词、指示代词或名词所有格+形容词最高级时（定冠词the省略）
This is our best lesson today.
- 形容词比较级与最高级表达转换
Lilei is taller than any other student in his class.
→Li lei is the tallest sudent in his class.
Exercises:
用所给词的适当形式填空。
- He is the ___________(old) of the three boys .
- He is the _______(fat) among these students .
- He is the ______(good)teacher ,even though he has the ______(little )experience .
语法二：形容词比较级与最高级综合句式用法
- .形容词比较级与最高级基本句式
| 形容词比较级与最高级的基本句式 | |
|
比较级 |
A+be动词+形容词比较级+than B |
| Jane is taller than Mary. | |
| 主+be动词+the 形容词比较级+of the two | |
| Jane is the taller of the twins. | |
| 最高级 | 主+be+the +形容词最高级+范围（of/in/among） |
| Jane is the tallest in her class. | |
- 形容词比较级与最高级的常见句式（特殊疑问句）
Which one is more expensive,diamond or gold?
Which one is the most expensive,diamond,gold or silver?
- 其他句式
| 形容词比较级与最高级的其他句式 | |
| 比较级 | 比较级+and+比较级 “越来越...” |
| It is getting warmer and warmer. 天气正变的越来越暖和。 | |
| The+比较级，the+比较级 “越..., 越...” | |
| The more, the better. 越多越好 | |
| 最高级 | The+序数词+形容词最高级+名词 “第...个最...的” |
| The Yellow River is the second longest river in China。 | |
| One of the +形容词最高级+复数名词 “是最...之一” | |
| The Summer Palace is one of the most beautiful places in Beijing. | |
Exercises:
1.Vocabulary is one of ______ difficulties on your way of learning a foreign language.
- big B. biggerC. biggestD. the biggest
2.用括号中所给单词的适当形式完成句子。
He is much ______, because he often gets home later and leaves home earlier than I. (busy)
3.Dereck is ______ of the two men.
- strong B. strongerC. the strongerD. the strongest
语法三：副词最高级的变化及句式
- 副词最高级（副词--副词比较级--副词最高级）
规则变化：
单音节与少数多音节
- 词尾+est
fast---faster---fastest
- 不发音的e结尾的单词加--r,--st
late--later--latest
- 其他最高级以ly结尾的单词
more+副词原级--most +副词原级
Slow--more slowly--most slowly 注：early---earlier---earliest
特殊变化：
Well--better--best far---farther/further---farthest/furthest
Much---more---most badly--worse--worst little---less--least
- 副词比较级与最高级的句式
| 副词比较级及最高级句式 | |
| 比较级 | He swims faster than me . A+实义动词+副词比较级+than+B |
| He swims fater of the two. | |
| 最高级 | He runs (the)fatest in his class. 主+实义动词+副词最高级+范围（in/of/among） |
| He jumps the second highest in his school. 主+实义动词+the +序数词+副词最高级+范围 | |
| Which sport do you like best,football,basketball or tennis? | |
比较级与最高级的转换：
The boy students harder than any other student in his class.
→The boy studies (the) hardest in his class.
The boy studies the second hardest in his class. (此时the 不可省略)
Exercises：
- She works _______(hard) of the four girls.
- She danced ________(graceful)of the four girls.
- John walks much _________(slow)than his sister.
Exercises答案：
语法一、
1.Oldest/eldest 2.fattest 3.best,least
语法二、
1.one of后面通常接形容词最高级再加名词复数，并且形容词最高级通常要加定冠词，故答案为D。
2.根据“他比我早出门晚回家”可知“他忙一些”，又因为空前面有much，故应用比较级，busy的比较级是busier。
3.Of the two men是表示“两者中”，应用“the +比较级”的结构，故正确答案为C。
语法三：
- （the）hardest 2.(the) most gracefully 3.more slowly
