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1、第四節(jié) 形容詞考點(diǎn)考點(diǎn) 1 形容詞的定義、用法及位置形容詞的定義、用法及位置形容詞修飾名詞或不定代詞，表示人或事物的性質(zhì)、特征或狀態(tài)，在句子中主要用作定語(yǔ)、表語(yǔ)、補(bǔ)足語(yǔ)、狀語(yǔ)等。1.作定語(yǔ)，放在名詞前， 不定代詞后。如：He is an honest boy.He has something important to tell you.2.作表語(yǔ)，放在系動(dòng)詞的后面。常見(jiàn)的系動(dòng)詞有be 動(dòng)詞，look, seem, taste, sound, feel, smell, become, grow, get等。如：考點(diǎn)考點(diǎn)1 形容詞的定義、用法及位置形容詞的定義、用法及位置The chicken s

2、mells good.3.有些形容詞只能作表語(yǔ)， 所以稱為表語(yǔ)形容詞。這類形容詞沒(méi)有級(jí)的變化，也不可用程度副詞修飾：afraid, alive, alone, asleep, awake等以字母“a”開(kāi)頭的形容詞。4.大部分形容詞加-ly可構(gòu)成副詞。但friendly, deadly, lovely, lonely, likely, lively, ugly, brotherly等仍為形容詞。如：She is a lovely girl.有些以-ly結(jié)尾的既為形容詞，也為副詞： daily, weekly, monthly, yearly。如：考點(diǎn)考點(diǎn)1 形容詞的定義、用法及位置形容詞的定義、

3、用法及位置This is Marys daily life. We go shopping weekly.5.作賓補(bǔ)，放在賓語(yǔ)后面，常與make, keep, leave等動(dòng)詞連用。如：Please keep the room clean and tidy.6.形容詞加上定冠詞the可泛指一類人，與謂語(yǔ)動(dòng)詞的復(fù)數(shù)連用。如：We should take care of the old. The poor are losing hope.考點(diǎn)考點(diǎn)1 形容詞的定義、用法及位置形容詞的定義、用法及位置7.多個(gè)形容詞修飾名詞時(shí)，其順序?yàn)椋合薅ㄔ~數(shù)量詞（序數(shù)詞在前，基數(shù)詞在后）形狀形容詞大小、長(zhǎng)短、高低等

4、形體新舊顏色材料名稱。如：Look at those three beautiful large square old brown wood tables.考點(diǎn)考點(diǎn) 2 形容詞比較等級(jí)的構(gòu)成和用法形容詞比較等級(jí)的構(gòu)成和用法1. 大多數(shù)形容詞有比較級(jí)和最高級(jí)的變化。原級(jí)即形容詞的原形，比較級(jí)和最高級(jí)有規(guī)則變化和不規(guī)則變化兩種。(1) 規(guī)則變化：?jiǎn)我艄?jié)詞和少數(shù)雙音節(jié)詞，詞尾加-er, -est來(lái)構(gòu)成比較級(jí)和最高級(jí)。(2) 不規(guī)則變化。2. 形容詞原級(jí)、比較級(jí)和最高級(jí)的用法。(1) as+形容詞原級(jí)as在否定句或疑問(wèn)句中可用so+形容詞+as。如：He cant run so/as fast as

5、you can.考點(diǎn)考點(diǎn) 2 形容詞比較等級(jí)的構(gòu)成和用法形容詞比較等級(jí)的構(gòu)成和用法(2) 形容詞比較級(jí)+than比較級(jí)不能重復(fù)使用，但比較級(jí)前可用much, even, still, a little, a bit, rather, far, a lot來(lái)修飾。如：(錯(cuò)) He is more cleverer than his brother.(對(duì)) He is cleverer than his brother. 可以說(shuō)：He is much cleverer than his brother.要避免將主語(yǔ)包含在比較對(duì)象中。如：(錯(cuò)) He is taller than any stude

6、nt in his class.(對(duì)) He is taller than any other student in his class.考點(diǎn)考點(diǎn) 2 形容詞比較等級(jí)的構(gòu)成和用法形容詞比較等級(jí)的構(gòu)成和用法(對(duì))He is taller than the other students in his class.要注意對(duì)應(yīng)句型，遵循前后一致的原則。The population of Beijing is larger than that of Zhuhai.It is easier to make a plan than to carry it out.要注意冠詞的使用，后有名詞的時(shí)候，前面才有可

7、能有冠詞。如：Which is larger, China or Britain? = Which is the larger country, China or Britain?考點(diǎn)考點(diǎn) 2 形容詞比較等級(jí)的構(gòu)成和用法形容詞比較等級(jí)的構(gòu)成和用法The+比較級(jí)主謂，the比較級(jí)主謂。The harder you work, the more money you will get.比較級(jí)and+比較級(jí)The city is becoming cleaner and cleaner.The garden is becoming more and more beautiful.考點(diǎn)考點(diǎn) 2 形容詞比

8、較等級(jí)的構(gòu)成和用法形容詞比較等級(jí)的構(gòu)成和用法比較級(jí)用于否定結(jié)構(gòu)，表示“最不過(guò)”I cant buy anything better.我買不到比這更好的東西了。 (3) the+最高級(jí)比較范圍形容詞最高級(jí)前通常必須用定冠詞the (最高級(jí)前有形容詞性物主代詞修飾的除外)。形容詞most 前面沒(méi)有the,不表示最高級(jí)的含義，只表示“非常”。It is the busiest day. (最高級(jí)前要有the)It is my busiest day. (最高級(jí)前有代詞，不用the)考點(diǎn)考點(diǎn) 2 形容詞比較等級(jí)的構(gòu)成和用法形容詞比較等級(jí)的構(gòu)成和用法It is a most important meet

9、ing. = It is a very important meeting.使用最高級(jí)要注意將主語(yǔ)包括在比較范圍內(nèi)。(錯(cuò)) Mary is the most beautiful of her four sisters.(對(duì)) Mary is the most beautiful of the four sisters.句型轉(zhuǎn)換：Jack is the smartest in his class. = Jack is smarter than any other student in his class.考點(diǎn)考點(diǎn) 2 形容詞比較等級(jí)的構(gòu)成和用法形容詞比較等級(jí)的構(gòu)成和用法 Nothing is s

10、o easy as this. = Nothing is easier than this. = This is the easiest thing.倍數(shù)的表達(dá)。A is 數(shù)詞times + asas + B.The red box is three times as heavy as the blue one.A is 數(shù)詞times + the+ n. + of B.The red box is three times the weight of the blue one.考點(diǎn)考點(diǎn) 2 形容詞比較等級(jí)的構(gòu)成和用法形容詞比較等級(jí)的構(gòu)成和用法A is 數(shù)詞times+ adj. 比較級(jí)than B.The red box is twice heavier than the blue one.一半的表達(dá)：half asasThis book is half as thick as that one.