1．“A + be +形容詞比較級 + than + B” 意思為“A比B更……”。 如：This tree is taller than that one. 這棵樹(shù)比那棵樹(shù)高。 注意： ① 在含有連詞than的比較級中，前后的比較對象必須是同一范疇，即同類(lèi)事物之間的比較。 ②在比較級前面使用much，表示程度“強得多”。 如：A watermelon is much bigger than an apple. ③ very, quite一般只能修飾原級，不能修飾比較級。2．“比較級 + and + 比較級”或“more and more +原級”表示“越來(lái)越……” 如：It becomes warmer and warmer when spring comes. 春天來(lái)了，天氣變得越來(lái)越暖和了。 It is getting cooler and cooler. 天氣越來(lái)越?jīng)鏊?nbsp; The wind became more and more heavily. 風(fēng)變得越來(lái)越大。 Our school is becoming more and more beautiful. 我們的學(xué)校變得越來(lái)越美麗。 3．在含有or的選擇疑問(wèn)句中，如果有兩者供選擇，前面的形容詞要用比較級形式。 如：Who is taller,Tim or Tom? 誰(shuí)更高，Tim還是Tom? 4. “the +比較級……, the+比較級”，表示“越……越……”。 The more money you make, the more you spend. 錢(qián)你賺得越多，花得越多。 The sooner，the better. 越快越好。 5. 表示倍數的比較級用法： ①. A + be +倍數+ times + the + 形容詞對應名詞形式+ 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 + be +倍數+ times +as +原級+ 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 + be + 序數詞 +比較級+ 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(lái)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(yǔ)。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(yǔ)+比較級"，"否定詞語(yǔ)+ so… as"結構表示最高級含義。 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 ①.a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等。 ②. 還可以用表示倍數的詞或度量名詞作修飾語(yǔ)。 ③. 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(yǔ)包括在比較范圍內。 (錯) 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. 序數詞通常只修飾最高級。 Africa is the second largest continent. 8.要避免重復使用比較級。 (錯) 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(yǔ)含在比較對象中。 (錯) China is larger that any country in Asia. (對) China is larger than any other country in Asia. 10.要注意對應句型，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，前面才有可能有冠詞。 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. 10.連用詞 much ,a little ,a bit,even
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