形容词和副词的比较级和最高级ppt-课件（PPT·精·选）.ppt

Aims and demands Aims and demands 1 .How to form parative and superlative degrees of adjectives and adverbs .(怎样构成形容词和副词的比较级和最高级) 和副词的比较级和最高级) to use parative and superlative degrees of adjectives and adverbs. 3. How to improve our abilities of using English. How to form them. ?单音节词,少数双音节形容词和副词的比较形容词和副词的比较级和最高级的级和最高级的规则变化规则变化??原级原级比较级比较级最高级最高级 tall ---- tall er ---- tall est long — long er— long est short — short er— short est 1:单音节词,少数双音节词在词尾加 er构成比较级, 加 est 构成最高级。 nice-- nice r --nice st large – large r -- large st cute — cute r— cute st 2:以不发音的 e结尾的词,直接在词的后面加 r构成比较级,加 st构成最高级. hot – hot ter -- hot test big — big ger — big gest fat — fat ter — fat test 3: 重读闭音节词,如末尾只有一个辅音字母应先双写这个辅音字母, 再加 er构成比较级,加 est 构成最高级。 easy-- eas ier – eas iest heavy — heav ier — heav iest happy — happ ier — happ iest 4:以辅音字母+y 结尾的词, 先变 y为i再加 er 构成比较级,加 est 构成最高级。 5 5:双音节词:双音节词, ,多音节词在词前加多音节词在词前加 more more /less 构成构成比较级,加比较级,加 most most / least 构成最高级。构成最高级。双音节词,多音节形容词和副词的比较级和最高级的形容词和副词的比较级和最高级的规则变规则变化化. . quickly — more / less quickly — most / least quickly heavily — more / less heavily — most / least heavily fantastic — more / less fantastic — most / least fantastic 注: clever, lovely, friendly 等用- er和- est 或 more 和 most 皆可。形容词形容词/ /副词比较级和最高级的不规则变化副词比较级和最高级的不规则变化 good/well – better -- best bad/badly/ill – worse -- worst old – older (旧) / elder (年龄) -- oldest / eldest many/much – more -- most little – less -- least far – farther (距离) / further (意义) -- farthest / furthest 巧记口诀: 多与少,好与坏,相差不是很远。 How to use them. How to use them. 形容词,副词比较级和最高级的基本用法形容词,副词比较级和最高级的基本用法 1. 同级相比(肯定),与……一样:用“as…… as” Lin Tao is as clever as Jim. (否定)与……不一样: 用“ not as (so) …… as” Ann does not do as carefully as Jane. (同义句) Jane does ____ ________ than Ann . Ann does ____ ________ than Jane . 2. 两者相比用“比较级” This cake is ________ than that one. (small) Which is ________, the sun or the moon? (big) less carefully more carefully smaller bigger