人教版八年级上册unit3.pptx

1、Unit3 Im more outgoing than my sister.,Tom,Bob,Tom is short . Bob is tall . Bob is taller than Tom . 鲍勃比汤姆高 二者之间比较时用到的形容词的形式是比较级,big,small,The left one is bigger than the other .,一起来探讨比较级的变化规律,Sara is taller than her brother. 萨拉比她的弟弟高。 将下列形容词改为比较级： Long short clean hard smart,talltaller,一般情况下在词尾加-er

2、,longer,shorter,claener,harder,smarter,2. Tom is healthier than his classmates. 汤姆比他的同班同学更健康。 healthy healthier 辅音字母加 y 结尾的形容词变比较级，要将 y 变为 i 加 er 将下列形容词改为比较级： busy happy curly heavy early,busier happier curlier heavier earlier,3. Bobs bag is larger than mine. 鲍勃的包比我的大。 large larger 以 e 结尾的形容词副词变比较级在

3、词尾直接加 r . 将下列形容词改为比较级： nice fine wide late,nicer finer wider later,4. Her shirt is bigger than his. 她的衬衫比他的大。 big bigger 重读闭音节形容词副词变比较级要将词尾辅音字母双写后再加 er . 将下列形容词改为比较级： fat hot thin,fatter hotter thinner,5. This question is more difficult than that. 这个问题比那个难。 different more different 多音节形容词副词变比较级要在前面加

4、 more . 将下列形容词改为比较级： beautiful serious popular outgoing,more beautiful,more serious,more popular,more outgoing,6. 非规律变化： Nancy sings better than Helen. (good/well) 南希唱歌比海伦好。 better 是 good / well 的比较级 little less bad worse many/much more,比较级的句型：,找下列句子的共同点： Sara is taller than her brother. Tom is heal

5、thier than his classmates. Bobs bag is larger than mine.,than,than,than,A + V + 比较级 + than + B .,Practice: 我妹妹的头发比我的长 这本书比那本更有趣 ( Bob taller Sara ),My sister has longer hair than me .,This book is more interesting than that .,Bob is taller than sara.,Homwork,用下列词语造句 Tom shorter Bob Sara longer hair her sister Bob outgoing his b