①. A is …times the size /height/length/width of B.

　　如：The new building is three times the height of the old one.

　　這座新樓比那座舊樓高三倍.(新樓是舊樓的四倍高)

　　②. A is …times as big /high/long/wide/large as B.

　　如：Asia is four times as large as Europe.

　　亞洲是歐洲的四倍大.(亞洲比歐洲大三倍)

　　③. A is …times larger /higher/longer/wider than B.

　　如：Our school is twice bigger than yours.

　　我們學(xué)校比你們學(xué)校大兩倍.

　　6.形容詞、副詞的最高級形式主要用來表示三者或三者以上人或事物的比較,表示“最……”的意思.

　　句子中有表示范圍的詞或短語.如：of the three, in our class等等.

　　如：He is the tallest in our class.

　　他在我們班里是最高的.

　　7."否定詞語+比較級","否定詞語+ so… as"結(jié)構(gòu)表示最高級含義.

　　Nothing is so easy as this.

　　=Nothing is easier than this.

　　=This is the easiest thing.

　　8. 比較級與最高級的轉(zhuǎn)換：

　　Mike is the most intelligent in his class.

　　Mike is more intelligent than any other student in his class

　　7.修飾比較級和最高級的詞

　　1)可修飾比較級的詞

　�、�.a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等.

　�、�. 還可以用表示倍數(shù)的詞或度量名詞作修飾語.

　�、�. 以上詞(除by far)外,必須置于比較級形容詞或副詞的前面.

　　注意： 使用最高級要注意將主語包括在比較范圍內(nèi).

　　(錯(cuò)) Tom is the tallest of his three brothers.

　　(對) Tom is the tallest of the three brothers.

　　2)下列詞可修飾最高級：by far, far, much, mostly, almost.

　　This hat is nearly / almost the biggest.

　　注意：

　　a. very可修飾最高級,但位置與much不同.

　　This is the very best.

　　This is much the best.

　　b. 序數(shù)詞通常只修飾最高級.

　　Africa is the second largest continent.

　　8.要避免重復(fù)使用比較級.

　　(錯(cuò)) He is more cleverer than his brother.

　　(對) He is more clever than his brother.

　　(對) He is cleverer than his brother.

　　9.要避免將主語含在比較對象中.

　　(錯(cuò)) China is larger that any country in Asia.

　　(對) China is larger than any other country in Asia.

　　10.要注意對應(yīng)句型,遵循前后一致的原則.

　　The population of Shanghai is larger than that of Beijing.

　　It is easier to make a plan than to carry it out.

　　11.要注意冠詞的使用,后有名詞的時(shí)候,前面才有可能有名詞.

　　比較：Which is larger, Canada or Australia?

　　Which is the larger country, Canada or Australia?

　　She is taller than her two sisters.

　　She is the taller of the two sisters.

　　三.典型例題

　　1) ---- Are you feeling ____?

　　---- Yes,I'm fine now.

　　A. any well B. any better C. quite good

　　D. quite better

　　答案：B. any 可修飾比較級,quite修飾原級,well的比較級為better.

　　2)The experiment was____ easier than we had expected.

　　A. more B. much more C. much

　　D. more much

　　答案：C. much可修飾比較級,因此B,C都說得通,但easier本身已是比較級,不需more,因此C為正確答案.

　　3)If there were no examinations, we should have ___ at school.

　　A. the happiest time B. a more happier time

　　C. much happiest time D. a much happier time

　　答案：D.

　　比較級和最高級的用法

　　1.兩者相比(甲=乙),用“as+原級+as”表示

　　Tom is as tall as Mike.

　　2.兩者相比(甲〈 乙),用“not as(so) +原級+as”或“l(fā)ess than”表示

　　I didn’t do my homework so(as) carefully as you.

　　The picture is less attractive than that one.

　　3.兩者相比(甲〉乙),用“比較級+than”表示

　　Our city is more beautiful than any other city in our country.

　　注意：1) 為了避免重復(fù),在從句中常用one, that, those等詞來代替前面提過的名詞.

　　The weather here is warmer than that of Shanghai.

　　The radios made in our factory are better than those in your factory.

　　2)比較等級應(yīng)注意避免和包括自己的對象比.

　　比較級+than+