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1、形容词形容词&副词副词副词副词比较比较等等等等级的构成级的构成 英语形容词比较等级有三个:英语形容词比较等级有三个:原级,比较级和最高级原级,比较级和最高级原级,比较级和最高级原级,比较级和最高级第1页/共17页fastLook at the pictures and understand Look at the pictures and understand 看图并理解第2页/共17页fastfasterLook at the pictures and understand Look at the pictures and understand 看图并理解第3页/共17页fastfaster
2、fastestLook at the pictures Look at the pictures and understand and understand 看图并理解第4页/共17页Look at the pictures and understand Look at the pictures and understand 看图并理解bigbiggerbiggest第5页/共17页规则变化规则变化1)单音节词末尾加)单音节词末尾加-er(比较级),(比较级),-est(最高级)(最高级)(少数以少数以er,ow结尾的双音节词结尾的双音节词)原级原级 比较级比较级 最高级最高级 great g
3、reater greatest small smaller smallest clean cleaner cleanest clever cleverer cleverest2)单音节如以)单音节如以e结尾,只加结尾,只加-r(比较级),(比较级),-st(最高级)(最高级)fine finer finest wide wider widest able abler ablest第6页/共17页规则变化规则变化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)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,再加音字母,再加-er(比较级),(比较级),-est(最高级)(最
4、高级)4)以辅音字母以辅音字母+y结尾结尾,则变则变y为为-i,再加,再加-er和和-est big bigger biggest hot hotter hottest red redder reddesteasy easier easiest第7页/共17页规则变化规则变化5)其它双音节和多音节词皆在前面加单词其它双音节和多音节词皆在前面加单词more和和most careful more careful most carefuldifficult more difficult most difficultdelicious more delicious most delicious第8页/
5、共17页不规则变化不规则变化 原级原级 比较级比较级 最高级最高级good/well better bestmany/much more most 第9页/共17页原级用法原级用法原级用法原级用法2.asas not as/so.as.你和汤姆是一样好的孩子。你和汤姆是一样好的孩子。Youre a boy as good as Tom.约翰不象迈克那么笨。约翰不象迈克那么笨。John is not so stupid as Mike.1.副词副词very,too,so,quite等修饰原级。等修饰原级。如:如:very tall、too hot、so cold quite interestin
6、g第10页/共17页比较级的用法比较级的用法一般句式的构成:一般句式的构成:A+is/are+A+is/are+形容词比较级形容词比较级形容词比较级形容词比较级+than+B+than+B She is taller than me.There are more students in Class One than in Class Two.可用可用可用可用much,a little,evenmuch,a little,even等修饰等修饰等修饰等修饰:He made much more mistakes than I did.He is even richer than I.第11页/共17
7、页最高级的用法最高级的用法最高级的用法最高级的用法 形容词最高级前必须加形容词最高级前必须加the,副词最高级前常省略副词最高级前常省略the,后面多用,后面多用of,in短语表示范围:短语表示范围:It was the most/least interesting story.He is the tallest of the three.He runs fastest.第12页/共17页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_第13页/共17页二
8、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:delici
9、ousB:moredeliciousC:themostdelicious7.Thisbookis20yuan.Thatbookis30yuan.Sothatbookis_thanthisbook.A:expensiveB:moreexpensiveC:mostexpensive.第14页/共17页8.Thewitchis_thantheoldman.A:badB:worseC:worst.9.Ihavemanybooks.Lilyhas_booksthanme.Jackhas_booksthanLily.A:many,many.B:most,mostC:more,more10Mybookbag
10、isas_asmysistersbookbag.A:bigB:biggerC:biggest.11.Jackistoo_toreachthecookiesontheshelf.A:littleB:littlerC:littlest12.Mybookis_thanLilysbook.A:goodB:betterC:best13.Whichoneis_?Winterorsummer?A:hotB:hotterC:hottest14.Peteristhe_oneinourclassroom.A:lateB:laterC:latest15.Icanrun_.Myunclecanrun_thanme.Myfathercanrun_inall.A:fast,fast,fastB:faster,faster,fasterC:fast,faster,fastest第15页/共17页谢谢观赏第16页/共17页感谢您的观看!第17页/共17页