1、Unit3 Im more outgoing than my sister.1八年级-上册-unit3难点名称:掌握形容词、副词比较级的用法;正确使用对二者进行比较的句式结构。目录目录CONTENTS2导入知识讲解课堂练习小节adj.tallshortlongbigsmallnicesmartfatthinheavybeautifulinterestingstrongadv.slowlyloudlyquietlycarefullysilentlyheavilycomfortablyseriouslyquickly导入4形容词:形容词:是用来表示人或事物的性质或特征的词。是用来表示人或事物的性质
2、或特征的词。副词:副词:是一种用来修饰动词、形容词、副词或全是一种用来修饰动词、形容词、副词或全句的词句的词,说明被修饰词的程度、方式等。说明被修饰词的程度、方式等。知识讲解5一、什么情况下需要使用比较级?一、什么情况下需要使用比较级?shortshorterLina is _than Ann.两者进行比较两者进行比较,表示表示“一方比另一方更一方比另一方更”shorterLina is short.Ann is shorter.6happyhappierTony is _than Bob.BobTony happier7fasterfastLucy runs _than Lily.Lucy
3、Lily faster 1.规则变化:1)一般情况下,在词尾加-er;tall taller smartsmarter short shorter longlonger high higher fast-faster二、形容词、副词比较级的变化规则二、形容词、副词比较级的变化规则:2)以不发音的字母e 结尾的,加 r;nice nicer large larger fine finer late later3)重读闭音节以一个辅音字母结尾的,先双写辅音字母,再加-er;big bigger fat fatter thin thinner red redder hot hotter wet we
4、tter4)以辅音字母+y结尾的双音节词,先变y为i,再加-er。happyhappier early earlier funnyfunnier easy easier5)多音节词和部分双音节词,在词前面加more;important more important delicious more delicious expensive more expensive outgoing more outgoing friendly more friendly serious more serious slowly more slowly quickly more quickly quietly mo
5、re quietly loudly more loudly 2、形容词、副词比较级的不规则变化:good/well better bad/badly worse many/much more little less far farther/further 1.A+be+形容词比较级形容词比较级+than B如:如:Im more outgoing than you.2.A+实义动词实义动词+副词比较级副词比较级+than B如:如:Tom jumps higher than Jack.汤姆比鲍勃跳得更高。汤姆比鲍勃跳得更高。我比你更外向。我比你更外向。三、对两者进行比较的句子结构:三、对两者进
6、行比较的句子结构:课堂练习课堂练习121.Tom is_(tall)than Jerry.2.Lucy is_(heavy)than Lily.3.Health is_(important)than money.4.The car is _(expensive)than the bike.5.This bag is _(big)than that one.tallerheaviermore importantmore expensivebigger【课堂小结】【课堂小结】小结小结一、对两者进行比较需要使用比较级;一、对两者进行比较需要使用比较级;二、形容词、副词的比较级变化规则:二、形容词、副
7、词的比较级变化规则:1.1.规则变化:规则变化:一般情况下,一般情况下,在词尾加在词尾加-er-er;以不发音的字母以不发音的字母e e 结尾的,加结尾的,加 r r;重读闭音节以一个辅音字母结尾的,先重读闭音节以一个辅音字母结尾的,先双写辅音字母,再加双写辅音字母,再加-er-er;以辅音字母以辅音字母+y+y结尾的双音节词,结尾的双音节词,先变先变y y为为i i,再加,再加-er-er;多音节词和部分双音节词,多音节词和部分双音节词,在词前面加在词前面加moremore。2.2.不规则变化:不规则变化:good/well better bad/badly worse many/much morelittle less far farther/further 三、两者进行比较句子结构:三、两者进行比较句子结构:1.1.A+be+形容词比较级形容词比较级+than B;2.2.A+实义动词实义动词+副词比较级副词比较级+than B.【课堂小结】【课堂小结】