1、 1 Unit 3 Im more outgoing than my sister 语法小结: 1、a.形容词和副词的比较级,表示两者(人和事物)的比较 b.在“比较级+than”的句型中,当than前后所使用的动词相 同时,通常用助动词代替后面的动词,该动词和助动词可以省略。 eg. a. Tina is more outgoing than Sam. Who runs faster ,Lucy or Han Mei? b. He works much harder than I (do). He works much harder than me. 2、形容词和副词的比较级前有时可以用 m
2、uch a little a lot far even 等来修饰, 例如:好得多much better a lot better 短一点 a little shorter 3、表示两者在某一方面相同时用“as +形容词或副词原级+as”的句型 eg. I think science is as important as math. Tom runs as fast as Jack. 表示一方在某一方面不及另一方面时用“not as /so +形容词或副词的原级+as”的句 型,例如:It is not as warm today as yesterday. He did not come as
3、 early as Wang Lin. 形容词、副词比较级的构成:(1) 一般在形容词或副词后面直接加er 变为比较级。 如:oldolder highhigher (2) 以重读闭音节结尾,且末尾只有一个辅音字母的,则双写最后一个辅音母,再加-er 变 为比较级。 如:bigbigger thinthinner (3) 以“辅音字母+y”结尾的单词,则将改 y为 i 再加-er 变为比较级。 如:busybusier heavyheavier (4) 以字母 e 结尾的单词,直接加 r 变为比较级。 如:largelarger freefreer 2. 多音节以及某些双音节形容词或副词变为比较级时,则通常在其前加more变为比较级。 如:importantmore important difficultmore difficult usefulmore useful 3.不规则形式或易错形式: much / manymoremost bad / badly / illworseworst farfarther / furtherfarthest / furthest littlelessleast fewfewerfewest oldolder / elderoldest / eldest