复习形容词的比较级和最高级.ppt

Big, bigger, biggestWho is bigger?A rabbit is bigger than a bee.But a bear is the biggest of the three.Tall, taller, tallest.Who is taller?A horse is taller than a sheep.But a giraffe is the tallest of the three.The horse is taller than the rabbit. 6mThe giraffe is the tallest of the three. 2m0.5mThe giraffe is taller than the rabbit and the horse.The elephant is bigger and heavier than the tiger.The elephant is the biggest and the heaviest of the three.The elephant is bigger and heavier than the tiger and the mouse . 1. strong2. big thin3. large4. heavy funny5. goodCan you find out the rules?Can you find out the rules?stronger strongestbigger biggestthinner thinnestlarger largestfunnier funniestbetter bestheavier heaviest1.直接在词尾加直接在词尾加-er或或-est.2.单元音单元音+单辅音结尾的词，单辅音结尾的词，双写最后一个字母后双写最后一个字母后-er或或-est.3. e结尾的词结尾的词-r或或-st.4.辅音辅音+y结尾的词结尾的词,改改y为为 ier或或iest5.不规则变化不规则变化单音节或双音节形容词比较级最高单音节或双音节形容词比较级最高级的变化规则：级的变化规则：Do you have sharp eyes?Xuzhiren is tallest in our group.the tallestMichelle is the kinder in our class.kindestRex is the heavyest of the three.heaviest I have many books, but Ann has more books then me.thanSelina is good at run.runningShe likes sing and she is very good at it.singingMy English is the better in my group.best