形容词 副词和比较级 公开课一等奖ppt课件.ppt
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1、三、形容词、副词和比较等级,考点1形容词与副词1.形容词与副词的句法功能,2.兼有两种形式的副词其中一种形式与形容词相同,另一种形式是在形容词后加后缀-ly。这两种形式的副词表示的意义不同。,【点津】下列单词以-ly结尾,但却是形容词而非副词:lively,lonely,lovely,deadly,friendly,ugly,silly,likely,brotherly,timely等。,3.句子副词的用法有些副词并不修饰动词,而是修饰整个句子,表示说话人的看法。常见的这类副词有:(1)表递进:besides,further,then,moreover等。(2)表结果:therefore,co
2、nsequently,accordingly,thus等。(3)表转折:though,instead,otherwise,however等。,(4)表等同:similarly,equally等。(5)表对比:rather,oppositely等。(6)表概括:altogether,generally等。(7)表列举:first(ly),second(ly),finally等。(8)表同位:namely等。(9)表时间:meanwhile,sometimes,occasionally等。(10)表特指:particularly,especially等。,*I dont like it;besid
3、es,its too expensive.*Playing on a frozen sports field sounds like a lot of fun.Isnt it rather risky,though?,4.七组容易混淆的词,【题组训练】改错1.(2018银川模拟)First,its an activity concerned with all parts of my body,which is quite a good way for me to keep fit.Beside,its an activity I can enjoy whatever the weather i
4、s like except when it rains heavily.世纪金榜导学号79060215(),BesideBesides,2.(2018哈尔滨模拟)Water is very important to us,without which there would be no life.Therefore,some people dont turn the tap off at once after using it.()3.I lived in my hometown ten years before.(),ThereforeHowever,beforeago,考点2 比较等级1.比
5、较级和最高级的构成(1)规则形式单音节以及少数双音节形容词和副词,在原级后加-er,-est构成,如hardharderhardest。其他特殊变化见下表:,多音节和部分双音节形容词和副词,在原级前加more,most构成。activemore activemost activehappilymore happilymost happily,【点津】少数双音节词及以-er或-le结尾的词,可以有两种比较级和最高级形式commoncommoner/more commoncommonest/most common表示“最高程度”的形容词,如excellent,extreme,perfect,fav
6、orite等,没有最高级,也不能用比较级。,(2)不规则形式good/wellbetterbestfarfarther/furtherfarthest/furthestbad/ill/badlyworseworst,2.比较等级的用法(1)基本用法两者相比,表示“和一样”,用“as+原级+as”表示。*He learns as quickly as his classmates.,【点津】在同级比较中,若出现形容词修饰单数可数名词,其语序为:as+adj.+a(n)+n.+as。*Our neighbor has as big a house as ours.两者相比,表示“不如”,用“not
7、 as/so+原级+as”。*Henry does not have as/so many books as I have.,两者相比,表示“比更”,用“比较级+than”;表示“不比更”,用“not+比较级+than”。*Seeking information on the Internet is more convenient than searching in a library.三个或三个以上的人或事物比较,表示最高程度时,用“the+最高级+比较范围”。*During the 1990s,Michael Jordan was probably the best-known baske
8、tball player in the world.,(2)特殊用法“比较级+and+比较级”表示“越来越”。*Our school is becoming more and more beautiful.“the+比较级,the+比较级”表示“越,就越”。*The busier he is,the happier he feels.“more+原级+than”表示“与其说不如说”。*She is more careless than stupid.,“more than+主语+can+谓语”表示“非所能;不能”。*The beauty of the city is more than I c
9、an describe.“否定词+比较级”表示肯定的最高级*Your story is perfect;Ive never heard a better one before.*I cant agree more.我非常同意。,表示倍数的三个常用句型a.倍数+as+原级+as.*He can run three times as fast as John.b.倍数+比较级+than.*This table is three times bigger than that one.c.倍数+the size/length/width/height,etc.+of.,*Our classroom i
10、s three times as large as theirs.=Our classroom is three times larger than theirs.=Our classroom is three times the size of theirs.,3.比较等级的修饰语(1)修饰比较级的常用词和短语有rather,much,still,even,far,a lot,a little,a great deal,(by)far,a bit等。*The students study even harder than before.(2)常用的最高级的修饰语有by far,nearly,
11、almost,by no means,not really以及序数词等。*Id like to buy the second most expensive camera.,【点津】by far通常用来修饰最高级,但也可修饰比较级。修饰比较级时,一般放在比较级后面,若在前面,应在两者之间加the。*The book is better by far than that one.*He is by far the taller of the two brothers.,【题组训练】1.(2018吉林模拟)Please dont misunderstand me.But dont you think
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