比较级和最高级.docx

8A Unit1 Grammar比较级和最高级Comparative and superlative adjectives注： 形容词和副词才有比较级和最高级一、 单音节与部分双音节词1. 直接+er/est long-longer-longest short-shorter-shortest small-smaller-smallest quick-quicker-quickest slow-slower-slowest clean-cleaner-cleanest fast-faster-fastest hard-harder-hardest high-higher-highest straight-straighter-straightest2. 以e结尾的单词+r/st nice-nicer-nicest fine-finer-finest late-later-latest cute-cuter-cutest wide-wider-widest close-closer-closest large-larger-largest polite-politer-politest 3. 以辅音字母+y, 去y+ier/iest表示天气的形容词 sunny/windy/cloudy/rainy/snowy/dry形容人的词 pretty/lazy/angry/shy/sporty/ funny注： shy-shyer-shyest shy-shier-shiest shyly-more shyly-most shyly friendly -friendlier-friendliest friendly-more friendly-most friendly lovely-lovelier-loveliest lovely-more lovely-most lovely形容事的词 easy/early/heavy/emptynoisy-nosier-nosiest healthy-healthier-healthiest lucky-luckier-luckiest4. 一个元音字母+一个辅音字母的重读闭音节,双写辅音+er/estbig/thin/slim/fat/sad/glad/red/hot/wet/fit/madbig-bigger-biggest slim-slimmer-slimmest fat-fatter-fattest不规则变化many/much-more-most few-fewer-fewest little-less-least good/well-better-best bad/ill/badly-worse-worstfar-farther-farthest表距离远 further-furthest表程度深old-older-oldest年龄大小 elder/eldest有血缘关系的长幼顺序二、多音节词 more/most常见形容词 important/interesting/generous/honest/popular/famous e.g. important-more important-most important情感类形容词 bored/boring/excited/exciting/tired/tiring e.g. excited-more excited-most excited以-ful 结尾的形容词 helpful/careful/grateful/cheerful e.g. helpful-more helpful-most helpful以-ly 结尾的副词slowly/quickly/carefully/luckily/happily/noisily/healthily/easily e.g. slowly-more slowly-most slowly比较级的用法We use comparatives + than to compare two people or things. We usually add -er to short adjectives and use more with long adjectives to form comparatives.形容词的比较级用于两个人或者两个事物之间的对比。短形容词我们加er, 长形容词我们加more。判断方法1. than He looks _than I. (healthy) 区别： I have _apples than you. many more+可数名词 I have _milk than you. much more+ 不可数名词2. A or B Which is _, the earth or the moon. Which is _one, the earth or the moon.(big)3. 句子中有even/much/a lot/a littleI felt even _. (hungry)He runs much _. (slow)He looks a lot _. (tired)He is a little _than before. (fat)4. 倍数+ 比较级My house is three times _than yours.(big)5. 隐含条件Its too expensive. Do you have a _one? (cheap)How beautifully he sings! Ive never heard a _voice.(good) 6. the+比较级，the+比较级 越.越.The _(hard)he works, the _(happy)he feels.The _(much)you eat, the _(fat)you will be.7. 比较级+比较级 越来越.The weather is getting _and _.(cold)注： 形容词、副词前面+less、least 表示较不或最不less/least difficult more/most difficult 最高级的用法We use the +superlatives to compare three or more people or things. We usually add -est to short adjectives and use most with long adjectives to form superlatives.形容词的最高级用于三人及三人以上或三者或三者以上的比较。短形容词后面我们加est,长形容词后面我们加most。判断方法1. A、B or C三者的比较Which color do you like _(good), Green, white, or black?2. One of + the + 形容词最高级+ 名词复数The river is one of _(long) rivers in our own.3. in + some place of/among +sb./ sth. 表范围 Kitty is _(beautiful) in our class.He is _of the four. (tall)4. 序数词+最高级The yellow river is the second _river in China.(long)5. 有定语从句放在名词后表范围用最高级This is _coat I have ever bought.(cheap)注：副词最高级前的the可以省略He runs _in his class.(fast)Of all the boys, he came _.(early)比较级和最高级的相互转换Kate is the tallest of all the girls.= Kate is taller than the other girls. (其他所有女孩)=Kate is taller than any other girl.(其他任何女孩)注： the other+名词复数 any other+名词单数Shanghai is the biggest city in China.Shanghai is bigger than _in China. =_in China. =any of the other cities.Shanghai is larger than _city in Japan. =_city in China.注： any 没有排除在外 any other 排除