江苏省盐城市亭湖新区实验学校八年级英语上册 Unit 1 Friends Grammar课件

1、Unit 1 FriendsComparative and superlative adjectivesGrammarPresentationThe air is bad.The air is worse.The air is the worst.bad worse worste.g. The girls height is one metre. height n. 高度，身高e.g. He wants to lose weight by exercising. weight n. 重量；体重e.g. They are having a competition. competitionn. 竞

2、赛，比赛worse (bad的比较级)更坏，更差 worst (bad的最高级)最坏，最差height 高度；身高weight 重量；体重sec. (= second) 秒competition 竞赛，比赛；竞争test 测试，考查swimmer 游泳者Read aloud these new words.Lead-inHe is taller than I am.他比我高。Yao Ming is the tallest of the three.姚明是三位中最高的。My book is more interesting than his. 我的书比他的更有趣。This book is the

3、 most interesting of all. 这本书是所有当中最有趣的。 形容词通常有三种形式: 原级，比较级和最高级，用来表示人或事物在某方面的不同程度。如：(Comparative and superlative adjectives)比较级和最高级 原级比较级最高级规则变化短词talltallertallest长词interestingmore interestingmost interesting不规则变化goodbetterbest形容词比较级和最高级形式形容词原级比较级最高级短词 tallsmall词尾er词尾esttallertallestsmallersmallest一、

4、规则变化形容词原级比较级最高级以不发音的e结尾的形容词nicefine以辅音字母y结尾的形容词prettyeasy把 y 改成 i + er+ stnicernicestfinerfinest把 y 改成 i + estprettier+ reasierprettiesteasiest形容词原级比较级最高级重读闭音节,结尾只有一个辅音字母slimbig 长 词beautifulimportant双写最后一个辅音字母 + estslimmerslimmestbiggerbiggest双写最后一个辅音字母 + er前面 + more前面 + mostmore beautifulmore impor

5、tantmost beautifulmost important特殊形容词原级比较级最高级goodbadlittlemuch/manyoldfar better bestworse worst二、不规则变化lessleastmoremostolder/elderoldest/eldestfarther/ furtherfarthest/ furthestAdjectiveComparativeSuperlativefunnybadhealthycarefullargesmartslimfunnierfunniestworsehealthierworsthealthiestmore carefu

6、lmost carefullargerlargestsmartersmartestslimmerslimmestComplete the table below.Daniel is writing about his classmates. Help him complete the following table with the correct adjectives. AdjectiveComparativeSuperlativecleancleanercleanestbigcuteshorthappylazybiggerbiggestcutestcutershortershortesth

7、appierhappiestlazierlaziestAdjectiveComparativeSuperlativethinthinnerthinnestsaddifficultinterestinggoodbad better bestworse worstsaddersaddestmore difficultmost difficultmore interestingmost interesting1. 两者之间用比较级。 句型结构： A + be + 比较级 + than + B2. 三者及以上用最高级。 句型结构： A + be the + 最高级 + 表三者及以上 的范围 形容词比较

8、级和最高级的基本使用原则e.g. 1. She is shorter than I am.2. My book is more interesting than his.3. He is the tallest in our class.4. This is the most expensive computer in the shop.Daniel has made a profile of his classmates. Read the profile and complete his notes. MillieSandyAmyPeterKittySimonHeight (cm)1571

9、70160173155171Weight (kg)45504455405350 m swimming (sec.)403830343635Drawing competition9/1010/109/105/106/108/10English test10/108/109/106/108/107/101. Simon is _ (tall) Sandy.2. Peter is _ (tall) of the six students.3. Sandy is _ (heavy) Millie.4. Peter is _ (heavy) of the six students.5. Among th

10、e six students, Millie is _ (slow) swimmer. taller thanthe tallestheavier thanthe heaviestthe slowest6. Amy is _ (fast) swimmer of the six students.7. Millies drawing is _ (beautiful) Simons.8. Sandys drawing is _ (beautiful) in her class.9. Millies English is _ (good) Simons. Millies English is _ (

11、good) in her class.the fastestmore beautiful thanthe most beautifulbetter thanthe best一、英语中形容词通常有三种等级 原级、比较级和最高级，用来描述人或事物在某个方面的不同程度。其中比较级的构成分为规则变化（分为长词变化规则和短词变化规则两类）以及不规则变化。如：long longer longest, important more important most important, many/much more most语法小结二、当把两个人或事物作比较时要用比较级。即：两者之间用比较级。如： Who is

12、 more generous, Kitty or Sandy? 三个及以上的人或事物之间进行比较时要用最高级，即三者及以上用最高级。如：Whose drawing is the most beautiful, Millies, Sandys or Amys?三、比较级常和than连用，最高级常和三者及以上的范围连用，如: in her class, of the three, of all, among the six students, in China等等。一、单项选择。1. Which is _, the sun, the moon or the earth? A. big B. big

13、ger C. biggest D. the biggest2. She is _ swimmer among them. A. good B. best C. better D. the bestExercise3. Her drawing is _ than the other three. A. beautiful B. more beautiful C. the most beautiful D. the more beautiful4. Whose bike is _, his or hers? A. new B. newwer C. the newest D. newer二、翻译句子。1. 这台电脑比那台贵。 This computer is _ that one. 2. 这三个盒子哪一个最重？ Which box is _?3. 今天比昨天热吗？ Is today _ yesterday?more expensive thanthe heaviest of the threehotter than4. 在这些学生中，Sandy数学最好。 Sandy is _ _.5. 第一道数学题比第二道难得多。 The first maths problem