比较级的用法、比较和练习演示教学.pptVIP

Adjectives and Adverbs 形容词、副词;1. 形容词修饰名词或代词，作定语 He is a tall man. It’s a beautiful present. The red pencil is mine. Is there anything special? There is nothing new. 2.形容词放在be,系动词之后，做表语。 They are friendly. That sounds good. he feels very tired. ;中考链接：;副词：;A 副词的作用;Many birds live there __________ (快乐地生活) all year round, they can_________(容易地抓) catch fish for food. ;I couldn’t jump _______________(够高 ) to reach the maple leaves. 副词修饰副词;副词的构成;He is _____ (live), clever and outgoing. Our neighbours are ________ (friend) and we are happy here.;形容词和副词的比较级;一、原级比较 A+谓语+as+原级+as+B。 (A=B) “A和B一样……” A+谓语+not+ as/so+原级+as+B (AB) “A不如B……” 我和Tom 一样高。 eg. I am as tall as Tom. 这本书和那本书一样有趣。 The book is as interesting as that one. 我的裙子没有她的好看。 My dress isn’t as beautiful as hers.;2. 可用very，so，such, too，enough，quite, rather修饰形容词原级 a very good boy, so good a girl, quite a smart boy, such a fine day, 3.A+谓语动词+twice/three… times +as+原级+as B。 “A是B的两倍/三…倍” This house is three times as big as that one. 4.as adj/adv原级 as possible/sb can “尽可能……的” We get to the hospital as quickly as possible.;二、比较级用法（表示两者的比较） A+谓语+比较级+than+B。(AB) 意为“A比B…” 我比Tom高。 eg. I am taller than Tom. 她唱的比她姐姐好。 She sings better than her sister. ;;三.形容词和副词比较级的构成，规则变化;4.以“辅音字母+y”结尾的，先改“y”为“i”，再加-er。;比较级规则变化口诀：;;三.不规则变化 –需要单独记忆 bad / badly/ill – worse many / much – more good / well – better old—older/elder far – farther / further little – less;Exercises;tall nice big funny outgoing old;late expensive thin smart high fat interesting;形容词比较级的规则变化;比较级，要变化，一般词尾加er。(long-longer) 词尾若有哑音e, 直接加r就可以。(nice-nicer) 重读闭音节， 末尾字母要双写。(hot-hotter) 若是辅音字母加y, 记得把y变i。(happy-happier) 多音节更容易，词前加more 便可以。(outgoing- more outgoing) ;1. 构成的不规则变化: e.g. good / well – better – best bad / badly – worse – worst many / much – more – most little – less – least far – farther / further – farthest/ furthest;tall;Yao Ming is ________ than Liu Xiang