牛津译林版八年级上册Unit2 School life Grammar课件(共14张PPT)

1、中考专项复习：形容词和副词 级别的变化及用法自主先学，领悟考点。1.熟练掌握形容词和副词的比较级、最高级的构成和good, well, many, much 等不规则变化。2.熟练运用所学句型表示两者和三者或三者以上人或事物的比较。3.初步掌握用much, a little，even等副词修饰比较等级的用法。小组讨论1.形容词/副词比较级， 最高级的变化规则。2.形容词/副词的原级，比较级和最高级的用法。规则变化（一）1、一般直接在词尾加-er; -est talltaller-tallest lightlighter-lightest 2、以字母e结尾的直接加-r; -st nicenice

2、rnicest finefinerfinest 3、以辅音字母加y结尾的形容词或副词，要变y为i再加er; est heavyheavierheaviest busybusier-busiest4、以重读闭音节结尾且末尾只有一个辅音字母的形容词或副词，要双写末尾的辅音字母再加-er; -est thinthinner-thinnest hothotterhottest bigbiggerbiggest规则变化（二） 多音节形容词或副词及部分双音节词变比较级在前面加more,最高级在前加most beautifulmore beautifulmost beautiful importantmor

3、e importantmost important交流展示：A形容词，副词比较级，最高级规则变化。 不规则的比较级，最高级变化：原 级比 较 级最 高 级good / wellmany / muchlittleill / bad / badlyfarold注：older 一般指年龄大小； My father is older than my mother. elder指长幼关系(一般修饰名词作定语); My elder brother is a driver. betterbestmoremostlessleastworseworstfarther / furtherfarthest / fu

4、rthestolder / elderoldest / eldest(1)说明人或事物自身的特征、性质和状态时用形容词副词原级。 The pictures on the wall are nice. 墙上的图片很漂亮。(2)有表示绝对概念的副词very，so，too，enough，quite等修饰时用形容词原级。 The man is very tall. 这个人很高。(3)表示A与B在某一方面程度相同或不同时用形容词/副词原级。肯定句中的结构：“A.as形容词/副词原级asB” English is as important as Chinese.否定句中的结构：“A.notas/so形容词

5、/副词原级asB” I am not so fast as lucy.我没有露西快。1.形容词/副词原级用法B 形容词、副词级别的用法 2.形容词/副词比较级用法(1)表示两者进行比较时用比较级，其结构为“A.比较级thanB”。 The oranges in this bag are bigger than those in that bag.(2)有表示程度的副词a little，a bit，a few，a lot, much，even，far， rather等修饰时，用形容词/副词比较级。 It is much hotter in Guangdong than that in Jilin

6、. (3)表两者进行选择“哪一个更”时，用句型“Which/Who 比较级，A or B？” Which book is newer，this one or that one?(4)表示“两者之间最一个(of the two)”时，常用“the比较级”结构。 Tom is the taller of the two boys.(5)表示“越来越”，用比较级重叠结构，即“比较级and比较级”，多音 节词和部分双音节词时用“more and more形容词/副词原级”。 Its getting warmer and warmer in spring. Our school is becoming

7、more and more beautiful.(6)表示“越，越”时，用“the 比较级，the另一比较级”结构。 The more we get together, the happier well be.3.形容词/副词最高级用法(1)表示三者或三者以上的人或物比较时，用最高级形式。形容词最高级前必须加定冠词the，副词最高级前一般不加定冠词the。句末常跟一个in/of短语来表示范围。 He is the youngest in our class. Mary runs fastest of the three girls.(2)表示在三者或三者以上的人或物进行选择时，用“Which/

8、Who the最高级，A，B or C？”结构。 Who is the oldest，Mary，Nancy or Lily?(3)表示“最的之一”时用“one of the形容词最高级”结构，该形容词后面的名词要用复数形式。 The pen is one of the most beautiful pens.(4)形容词最高级前面可以加序数词，(the+序数词+最高级)表示“第几最”。 The Yellow River is the second longest river in China. 在中国，黄河是第二长河。(5)形容词比较级结构可以表示最高级含义。（比较级和最高级转化） Li Le

9、i is the tallest student in his class. Li Lei is taller than any other student in his class. Simon is _than (tall) Kitty.2. This apple is _(red) than any other one .Its of all.3. My mother is _ (busy)in our family.4.Which pen is _ (dear),this one or that one?5. _ (old)of the two men is my uncle. .ta

10、ller redderthe busiestdearerThe olderthe reddest1.Its _ to teach a man fishing than to give him fish. A. more B. better C. good D. best2.I think science is than Japanese. A. much important B. important C. much more important D. more much important3.Sam and Bill are brothers. But Sam is _ than Bill.

11、tall B. tallest C. the tallest D. taller 4.Which language is_, English, French or Japanese? A. easy B. the most easy C. the easiest D. much more easy中考链接形容词、副词比较级最高级易错点剖析Correct the mistakes:1.Marys hair is longer than my sister.2.The apples in this basket are better than them in that basket.3.The Changjiang River is longer than any river in China.4. This box is more heavier than that one.5. He is taller of the two.6. Today is our the busiest day.my sistersthoseany other riverthe taller总结规律1.我们把两个东西进行比较会有两种比较结果：结果一：A和B在某方面一样，我们用as_as来表达结果二：A和B在某方面不一样，我们用not as_as来表达;或者A比B更加.,我们用_than来表达。2.我