Unit 3 Lesson 2　Grammar Focus 学案2023-2024学年人教版英语八年级上册

Lesson 2 Grammar Focus 语法练习 Is Tom smarter than Sam? No.he isn't.Sam is smarter than Tom. Is Tara more outgoing than Tina? No.she isn't.Tina is more outgoing than Tara. Are you as friendly as your sister? No.I'm not.I'm friendlier. Does Tara work as hard as Tina? Yes,she does. Who's more hard-working at school? Tina thinks she works harder than me. 语法详解 形容词和词的比较级 一、形容词和词的比较级的构成 构成方法 例词 般在词尾加一r small-→smaller,cool→cooler 以不发音e结尾的单音节词，在词尾加一r arge→larger,nice→nicer 单音节词和部分双普节 以“辅音字母+y”结尾的双音节词，先把y 规则 heavy→heavier,happy→happier 词 改为”，再加一r 变化 重读闭音节词且词尾只有…个铺音字母时， hot→hotter,fat→fatter 先双写该辅音字母，再加一r 多音节词和部分双音节 important-more important, 在词前加more 词 outgoing→ore outgoing 不规则 good/wel→better,bad/badly/il→vorse,many/mch→more,little-→less.far一farther/further. 变化 old-older/elder 二、形容词和副词的比较级的用法 两者（人或事物）进行比较时，用比较级，表示“更…”，用于说明“前者比后者更…”，ha是比较级句型的标志词。其常见的句型有： 1.“A十be十形容词比较级+han十B”意为“A比B更…”。如： This house is bigger than that one.这个房子比那个房子大. 2.“比较级十nd十比较级”表示“越来越…”。如： It becomes warmer and warmer when spring comes.春天来的时候，天气越米越暖和。 3.“he十比较级…，he十比较级…”表示“越…越…”。如： The more you eat,the fatter you are.你吃得越多，你就会越胖 4.“A+be十he十比较级十of the two(十复数名词)”表示“A是两者中比较…的”。如 Mike is the taller of the two.迈克是这两个中比较高的。 5.“A+be十形容词比较级十han十any other十名词单数十比较范围”可表达最高级含义。如： Tom is thinner than any other student in our class.汤姆比我们班里的任何学生都瘦。 注意： l.椽饰比较级的词有：mueh,even,far,aol,a little,abit等 2.表示“和一样”时，用“as十形容词或词原形十s”句型。否定形式用“ots/s0十形容词或削词原形十s”。如： This film is not as/.so interesting as that one.这部电影不像那部电影一样有趣. 综合练习 一、根据句意，用所给词的适当形式填空 1.This cake is not big enough for ten people.We should buy a (big)one. 2.My schoolbag is (small)than yours. 3.She does homework as (carefully)as Mike. 4.The more you smile,the (happy you will be. 5.He had a cold yesterday,but he feels much (good)now. 二、单项填空 ( )1.The more we read English,we'll be. A.fast B.faster C.the fastest D.the faster ( 2.The tree is taller than that one. A.many B.much C.more D.very ( )3.-This kind of pencil is than that one. -Oh.I want of the two pencils A.newer,newe