新目标人教版八年级英语上册《Unit 4 Section A Grammar Focus-3c》精品课件.pptx

;To learn to make comparisons using superlatives. To learn new words: worse, service, pretty, menu, act, meal…;; is the ________mountain in the world.; is the _______ river in China.;;Think and guess.; Plan a trip along the Silk Road using the new language.;Linda;￥ 50.00;Is Tom smarter than Sam?;1. 用法：英语中三者或三者以上相比较，表示“最……” 这样的最高程度概念时，要用 “the+最高级” 的结构表示。这种句式一般带有表示比较的介词短语，比如: in our class, of the three 等。 例如: Wang Lin is the tallest in our class. This theater is the cheapest of the three. 注意使用最高级时应注意以下几点：; (1) 表示 “最……之一” 的句式，要用 one of the +形容词最高级+复数名词。 例如：Jingjiang Hotel is one of the biggest hotels in our city. Lisa is one of my best friends. (2) 当最高级前面有物主代词或名词所有格时，不加定冠词 the。 例如：Tom is Lucy’s best friend. Tuesday is her busiest day.;(3) 最高级前可加序数词。 eg.The Yellow River is the second longest river in China. (4) 形容最高级修饰作表语或介词宾语的名词，代词时， 被修饰的词往往省略。 eg.He is the laziest (student) in our class. (5)形容最高级用在选择疑问句中， 结构为：Who/Which...,A,B or C? Who is the best English teacher,Mr.Zhang,Miss Li or Miss Wang？;;b. 以-e 结尾的形容词，比较级+ -r,最高级+ -st。如：large—larger—largest nice—nicer—nicest cute—cuter—cutest c. 以辅音字母+y结尾的形容词，变y为i +er或+est busy—busier—busiest heavy—heavier—heaviest easy—easier—easiest happy—happier—happiest dirty—dirtier—dirtiest;d. 以重读闭音节结尾，末尾只有一个辅音字母结 尾的词，双写最后一个辅音字母，再加+er或 +est。 如： big—bigger—biggest thin—thinner—thinnest fat—fatter—fattest hot—hotter—hottest e. 多音节和部分双音节形容词，需在原级前+more 构成比较级，+ most 构成最高级。 important—more important—most important beautiful—more beautiful– most beautiful difficult—more difficult—most difficult ;3. 不规则变化：;最高级规则变化口诀：;复习：形容词最高级的构成;C: large late nice;1.We are going to the Green Restaurant for lunch. (划线部分提问) ____________ you going for lunch? 2. Sam is the shortest in his class. (改为同义句) Sam is ________ than ____ _____ student in his class. Sam is _______ than _____ __