资源简介 (共20张PPT)形容词的使用Adjectives什么是形容词?什么是形容词的比较级?为什么要用比较级?AdjectivesWhen you compare two people or things, use thecomparative form of the adjective.Lots of comparative adjectives end in -er.fast-fasterAdjectivescheap cheaperclear clearerloud loudernew newerold olderrich richershort shortertall tallerslow slowerthick thickerAdjectivesThe word than is often used with comparative adjectives.For example, you might say:Jack is taller than John.A sports car is faster than a motorbike.Adjectives什么是形容词的最高级?什么时候使用最高级?最高级的形式是什么?AdjectivesUse the superlative form of an adjective to comparethree or more nouns. Lots of superlatives end in -est.thick thicker thickestAdjectivesclean cleaner cleanesteasy easier easiestfat fatter fattestflat flatter flattestheavy heavier heaviesthot hotter hottestnarrow narrower narrowestnoisy noisier noisiestsimple simpler simplestthin thinner thinnestwet wetter wettestAdjectivesYou often add the before the superlative form.For example, you say:Mount Everest is the highest mountain in theworld.Peter is the tallest boy in his class.比较级后面加than最高级前面加theAdjectivesWith adjectives that end in -e, add -r to formthe comparative, and -st to form the superlative.For example:Comparative Superlativeclose closer closestlarge larger largestsafe safer safestwide wider widestAdjectivesSome adjectives have only one syllable, end with aconsonant, and have a single vowel before theconsonant. With these adjectives, double the last letterbefore adding –er to form the comparative, and -est toform the superlative. For example:Comparative Superlativebig bigger biggestdim dimmer dimmestmad madder maddestsad sadder saddestAdjectivesSome adjectives have two syllables and end in -y. Withthese adjectives change the y to i. Then add -er to formthe comparative, and -est to form the superlative.For example:Comparative Superlativebusy busier busiestdirty dirtier dirtiesthappy happier happiestpretty prettier prettiestAdjectivesWith some adjectives, you use more to make thecomparative form, and most to make the superlativeform.beautiful more beautiful most beautifulAdjectivesactive more active most activecharming more charming most charmingcheerful more cheerful most cheerfulcomfortable more comfortable most comfortabledelicious more delicious most deliciousAdjectivesAdjectives that form their comparative andsuperlative with more and most are usuallyadjectives with two or more syllables, orsounds. For example:ac-tive ex-pen-sivebeau-ti-ful fa-mouscharm-ing for-tu-natecheer-ful in-tel-li-gentcom-fort-a-ble pow-er-fulde-li-cious val-u-a-bleAdjectivesThe comparative and superlative forms of someadjectives are completely different words.形容词的不规则变化:good better bestbad worse worstfew less leastmany more mostmuch more mostAdjectivesWith these adjectives, you don’t add -er or moreto form the comparative, or -est or most to form the superlative.AdjectivesFill in the blanks with the correct comparative and superlative forms of the following adjectiveshard-harder-hardestcold-colder-coldestsoft-softer-softesttall-taller-tallestrich-richer-richestmad-madder-maddestAdjectivesfunny-funnier-funniestbig-bigger-biggestsad-sadder-saddestbusy-busier-busiestnoisy-nosier-noisiestAdjectivesSee you! 展开更多...... 收起↑ 资源预览