英语八年级上册M2比较级.pptVIP

Learning goals 学会用“主语+ 系动词be + adj.” 的句型来描述人或物体。 Daming is tall / handsome / shy… The box is big / small/ heavy / light… 学会单音节adj. 和部分双音节adj.的比较级。 学会两个进行比较的固定句型。 A + be + adj.的比较级 + than +B. A + be + as + adj.原级 + as + B. Tom is tall. Peter is taller than Tom. = Tom is shorter than Peter. 2. Cake A is nice. Cake B is nicer than Cake A. It’s hot today. It will be hotter tomorrow. The tiger is heavy. The elephant is heavier than the tiger. = The tiger is lighter than the elephant. A和B进行比较，固定句型是： A is + adj.的比较级 than + B. 翻译成“A比B怎么样。” I am older than you. You are younger than I . adj. 后面 -er 我们成为形容词的比较级。而形容词的比较级在形式上有一定的变化规则，大体上分为规则变化和不规则变化两种。 下面我们先来学习形容词比较级的规则变化。 long— strong— short— old— fast— small— high— fine— large— big— hot— thin— busy— early— easy— Kevin, Garnett * * Unit1 It’s taller than many other buildings. 它比很多别的建筑物高。 Jim is strong. stronger. Tom is ￥30 ￥20 The purple coat is cheap. The yellow coat is cheaper. The boy is young. The baby is younger than the boy. younger young The dog is bigger than the mouse. The mouse is big. big bigger tall taller nice nicer hot hotter heavy heavier Tom peter Cake A Cake B today tomorrow 构成方法 原级 比较级 单音节和少数双音节单词 一般在词尾直接加 -er, tall, long, old, short, small taller longer, older, shorter, smaller 以字母e结尾的形容词，直接加 -r nice , fine, large nicer, finer, larger 以重读闭音节词末尾只有一个辅音字母时，先双写这个辅音字母，再加-er big, hot, red, thin ,fat bigger, hotter redder, thinner fatter 辅音字母+ y”结尾的双音节词，先改y为i，再加- er busy, early, easy，heavy busier, earlier, easier，heavier 比较级的一般形式是在单词结尾 直接-er 以字母的e结尾，直接 -r 重读闭音节结尾的单词，要双写再 -er 以辅音+y结尾的，改y为i再 -er longer stronger shorter older faster smaller higher finer larger bigger hotter thinner busier earlier easier tall -- _