小学英语比较级和最高级知识点.ppt

Comparatives tocomparethingsandpeople 形容词 副词比较等级的构成 英语形容词比较等级有三个 原级 比较级和最高级 fast Lookatthepicturesandunderstand看图并理解 fast faster Lookatthepicturesandunderstand看图并理解 fast faster fastest Lookatthepicturesandunderstand看图并理解 Lookatthepicturesandunderstand看图并理解 big bigger biggest 规则变化 1 单音节词末尾加 er 比较级 est 最高级 少数以er ow结尾的双音节词 原级比较级最高级greatgreatergreatestsmallsmallersmallestcleancleanercleanestclevercleverercleverest 2 单音节如以e结尾 只加 r 比较级 st 最高级 finefinerfinestwidewiderwidestableablerablest 规则变化 3 闭音节单音节词如末尾只有一个辅音字母 须先双写这个辅音字母 再加 er 比较级 est 最高级 4 以辅音字母 y结尾 则变y为 i 再加 er和 est bigbiggerbiggesthothotterhottestredredderreddest easyeasiereasiest 规则变化 5 其它双音节和多音节词皆在前面加单词more和most carefulmorecarefulmostcarefuldifficultmoredifficultmostdifficultdeliciousmoredeliciousmostdelicious 不规则变化 原级比较级最高级good wellbetterbestmany muchmoremost 原级用法 2 as as notas so as 你和汤姆是一样好的孩子 You reaboyasgoodasTom 约翰不象迈克那么笨 JohnisnotsostupidasMike 1 副词very too so quite等修饰原级 如 verytall toohot socoldquiteinteresting 比较级的用法 一般句式的构成 A is are 形容词比较级 than BSheistallerthanme TherearemorestudentsinClassOnethaninClassTwo 可用much alittle even等修饰 HemademuchmoremistakesthanIdid HeisevenricherthanI 最高级的用法 形容词最高级前必须加the 副词最高级前常省略the 后面多用of in 短语表示范围 Itwasthemost leastinterestingstory Heisthetallestofthethree Herunsfastest 一 写出下列单词的比较级和最高级 beautiful expensive popular delicious old good fat low small big narrow crazy 二 选择 1 Myteacheris thanmymother A beautiful B morebeautifulC mostbeautiful 2 Thisgameis thanthatgame A popularB morepopularC mostpopular3 Heisthe studentinourclass A goodB betterC best 4 Myfatherisso A tallB tallerC tallest5 Icanjumpvery A farB fartherC farthest6 Thehamburgeris thanthebread A deliciousB moredeliciousC themostdelicious7 Thisbookis20yuan Thatbookis30yuan Sothatbookis thanthisbook A expensiveB moreexpensiveC mostexpensive 8 Thewitchis thantheoldman A badB worseC worst 9 Ihavemanybooks Lilyhas booksthanme Jackhas booksthanLily A many many B most mostC more more10 Mybookbagisas asmysister sbookbag A bigB biggerC biggest 11 Jackistoo toreachthecookiesontheshelf A littleB littlerC littlest12 Mybookis thanLily sbook A goodB betterC best13 Whichoneis Winterorsummer A hotB hotterC hottest14 Peteristhe oneinourclassroom A lateB laterC latest15 Icanrun Myunclecanrun thanme Myfather