八级英语上册unit语法形容词副词比较级详解.ppt

期中复习专题一： 形容词副词的比较级 Do they look the same? Why? They are twins(/twinz/ n.双胞胎）. They are twin（adj.孪生的） sisters. Free talk 1.Gina is _________ than Mary. 2.Mary is _________ than Gina. thinner heavier Gina Mary Liu Lu shorter more outgoing taller more serious They have one thing in commom: They are both thin. John Mike Mike is more outgoing than John. They are outgoing. even Which country is larger? Australia U.S.A The U.S.A. is larger than Australia. a little/ bit China is ___________than Japan. Japan is ____________than China. China Japan much larger a lot smaller Find out their differences. The more, the better. many much goodwell Pan is shorter than Liu. He is funnier than Liu. He is thinner than Liu. He is more outgoing than Liu. ...... Liu is taller than Pan. He is quieter than Pan. He is heavier than Pan. He is more serious than Pan. He is more athletic than Pan. ...... 强健的 比较级变化规则 例子 一般情况下在词尾加er greater 不发音的e结尾的在词尾加r finer nicer 以辅音字母+y结尾的,变y为i再加er busier happier 以重读闭音节,末尾只有一个辅音字母结尾的,双写该字母,再加er bigger hotter 多音节词和部分双音节词在前面加more more important 比较级，有变化，一般词尾加 er. (tall—taller) 哑 e结尾,先去e,之后再把 er加. (nice—nicer) 辅音字母加 y ， y 变 i ,再把er加. (happy—happier) 一辅重读闭音节，末尾字母双写再把er加. (thin—thinner) 形副音节123，比较等级more在前 more outgoing more loudly more serious 比较级规则变化口诀 good / well –-- better bad / ill / badly –-- worse many / much –-- more little –-- less far –-- farther / further 不规则比较级变化 形容词副词比较级用法 1.A+be+adj比较级+than+B A比B``` eg: I am more outgoing than my sister. 我比我姐姐更外向 2.A + 行为V+ adv比较级+ than + B A做某事比B 更``` eg: Tom runs faster than Tim. Tom比Tim跑的快。 3.adj /adv比较级前用a little 或者much 修饰表示程度 eg: My brother is a little / much taller than me. 我哥哥比我高一点/很多。 4. as +adj/adv原级+as 和一样``` My father is as heavy as my uncle.我爸爸和我叔叔一样胖. She arrived at school as early as her sister