比較級(jí)及比較結(jié)構(gòu)ppt

1、Be slow is choosing a friend, slower in changing.A good book is the best of friends, the same today and forever.A friend is easier lost than found.1形容詞和形容詞和副詞副詞 的的比較等級(jí)比較等級(jí)2比較比較 結(jié)結(jié)構(gòu)構(gòu)3關(guān)于比較關(guān)于比較結(jié)構(gòu)用法結(jié)構(gòu)用法的補(bǔ)充說的補(bǔ)充說明明 比較等級(jí)和比較結(jié)構(gòu)比較等級(jí)和比較結(jié)構(gòu)形容形容詞規(guī)詞規(guī)則形則形式式 副詞規(guī)副詞規(guī)則形式則形式 不規(guī)則不規(guī)則 三音節(jié)及以上三音節(jié)及以上雙音節(jié)雙音節(jié)單音節(jié)單音節(jié)綜合形式綜合形式 Kind

2、clear old cold long分析形式分析形式InstructiveBeautifulDifficultcomplicated contemptible兩種形式兩種形式Tender，Clever以以-y，-ow結(jié)結(jié)尾的綜合形式尾的綜合形式HappyPrettyNarrowshallow綜合形式綜合形式（Synthetic Form)：-er , -est分析形式分析形式 （Analytic Form）:加加more，mostFastHardSoonlate單音節(jié)單音節(jié):綜合形式綜合形式以以 ly 結(jié)尾：結(jié)尾： 分析形式分析形式ClearlyWiselyFrugallyoften少數(shù)不規(guī)

3、則少數(shù)不規(guī)則 Bad Good Well old Far Much Badly wellAsas 1.Morethan 2.The most 3.三種結(jié)構(gòu)三種結(jié)構(gòu)基本模式：基本模式：as+形容詞或副詞原級(jí)形容詞或副詞原級(jí)+as-分句分句John is as bright as Bob.John behaves as politely as Bob (does).否定形式：否定形式：John is not as/so bright as Bob.John does not behave as/so politely as Bob.還可以用還可以用lessthan 結(jié)構(gòu)來表示否定：結(jié)構(gòu)來表示否定：

4、John is less bright than Bob.John behaves less politely than Bob.Asas結(jié)構(gòu)結(jié)構(gòu) 基本模式：形容詞或副詞比較級(jí)基本模式：形容詞或副詞比較級(jí) +than-分句分句John is brighter than Bob.John behaves more politely than Bob.否定形式：否定形式：lessthan not so / asasMorethan 結(jié)構(gòu)結(jié)構(gòu) 基本結(jié)構(gòu)：基本結(jié)構(gòu)：(the) +形容詞形容詞/副副詞最高級(jí)詞最高級(jí)+比較范圍比較范圍John is the brightest of the three b

5、oys.Of the three boys john behaves (the) most politely.The most結(jié)構(gòu)結(jié)構(gòu) 在在asas 結(jié)構(gòu)中，通常是主句主語和分句主結(jié)構(gòu)中，通常是主句主語和分句主語不同，而比較項(xiàng)目相同語不同，而比較項(xiàng)目相同: John is as bright as Bob (is).有時(shí)也可能主語相同，而比較項(xiàng)目不同：有時(shí)也可能主語相同，而比較項(xiàng)目不同： The swimming pool is as wide as it is long.也可能兩個(gè)主語和兩個(gè)比較項(xiàng)目都不同：也可能兩個(gè)主語和兩個(gè)比較項(xiàng)目都不同：The swimming pool isnt tw

6、ice as wide as that one is long.另一種模式：另一種模式：as much/many（限定詞）（限定詞） +名詞名詞+as-分句分句He took as much butter as he needed.否定形式：否定形式：He didnt take so/as much butter as he needed.另一個(gè)變體：另一個(gè)變體：as+形容詞原級(jí)形容詞原級(jí)+名詞詞組名詞詞組+as-分句分句George is as efficient a worker as Jack.=George is a worker (who is) as efficient as Ja

7、ck. 讀起來調(diào)核（讀起來調(diào)核（nucleus）位置不同：）位置不同： 變體中，名詞；基本形式，形容詞。變體中，名詞；基本形式，形容詞。不定冠詞不定冠詞+單數(shù)名詞單數(shù)名詞 or 零冠詞零冠詞+不可數(shù)名詞不可數(shù)名詞 的使用沒有的使用沒有那樣頻繁。那樣頻繁。有時(shí)，有時(shí)，聽起來不夠自然，另一種方法：聽起來不夠自然，另一種方法：This street is less wide than that one.This street is narrower than that one.Bill speaks French less well than he writes it.Bill speaks Fre

8、nch worse than he writes it.另一種模式：限定詞另一種模式：限定詞more / less / fewer + 名詞名詞 + than 分句分句She has written more essays than he.變體：變體：不定冠詞不定冠詞 / 零冠詞零冠詞 + 形容詞比較級(jí)形容詞比較級(jí) + 名詞名詞 + than 分句分句John is a more efficient worker than Jack.轉(zhuǎn)換為：名詞詞組轉(zhuǎn)換為：名詞詞組 + more than 結(jié)構(gòu)結(jié)構(gòu)John is a worker more efficient than Jack.定冠詞定冠詞

9、 + 形容詞或副詞比較級(jí)形容詞或副詞比較級(jí) + of 詞詞組組(只用于兩者之間的比較）只用于兩者之間的比較）John is the brighter of the two boys.More / less 還可用作代詞，與某些可等還可用作代詞，與某些可等級(jí)名詞級(jí)名詞(gradable noun)搭配搭配He is more / less of a sportsman than his brother.= He is more / less sportsmanlike than his brother. 比較級(jí)范圍不表示的情況：比較級(jí)范圍不表示的情況：在一定上下文中在一定上下文中A: Six j

10、uicy oranges, please.B: These are our juiciest.有些最高級(jí)結(jié)構(gòu)并不是和其他事物相有些最高級(jí)結(jié)構(gòu)并不是和其他事物相比比Please accept my deepest gratitude.I shall do it with the greatest pleasure.表示最高級(jí)的相反意義，表示最高級(jí)的相反意義，the least 結(jié)構(gòu)結(jié)構(gòu)This is the least difficult book Ive ever read.在實(shí)際使用上常用最高級(jí)在實(shí)際使用上常用最高級(jí)This is the easiest book Ive ever read

11、.其他結(jié)構(gòu)：其他結(jié)構(gòu)：MorethanGeorge did more work this morning than anyone else.=George did the most work.AsasNothing in my life shook me so deeply as my first visit to China. = My first visit to China shook me the most deeply.否定詞否定詞 + 比較級(jí)比較級(jí)I like nothing better. = Its the best thing I like. morethan 結(jié)結(jié)構(gòu)的其他用

12、法構(gòu)的其他用法 not so as與與not so muchas not more / -er than與與 no more / -er than the more the more 與more and moreThe concert was more enjoyable than the lecture.The living room is larger than the dining room.John is more daring than quick-witted.George is more intelligent than aggressive.The present crisis

13、 is much more a political than an economic crisis比較五句中的不同用法比較五句中的不同用法 London isnt so large as Tokyo.It wasnt so much his appearance I liked as his personality. John is not better than Tom.John is no better than Tom.No nicer than =as poor asNo bigger than =as small asNo later than =as early as The more