Period2Section A (GF-3c)Unit 3I’m more outgoing than my sister. 学习目标Key sentences:1. Is Tara more outgoing than Tina ？ No ， she isn't. Tina is more outgoing than Tara.2. Does Tara work as hard as Tina ？ Yes ， she does.3. Who is smarter ， your mother or your father ？ I think my mother is smarter than my father. The comparative forms of adjectives and adverbs.1. 形容词的原级 形容词的原形。2. 形容词的比较级 表示两者相比，一个比另一个更…，有比 较级的句中有 than, 且仅限于两者比较。形容词的原级和比较级This tree is _____ than that tree.She is ______ than before.tallerthinnerPast Now比较级一、句子结构 :1. 形容词比较级常用的句型结构 (A 和 B 比较 ) ： A + be 动词 + 形容词的比较级 +than +Be.g. I’m taller than you. You are thinner than me. This ruler is longer than that one.2. 副词比较级常用的句型结构： “A + 动词 + 副词比较级 + than + B” 。e.g. I got up earlier than my mother this morning.我今天早晨起床比我妈妈还早。Tina sings more loudly than Tara 。Tina 比 Tara 唱的更大声。 1. 单音节和少数双音节形容词、副词比较级的构成。不规则变化： 1) 在词尾加 -er tall — taller smart—smarter short — shorter high — higher fast --- faster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 。3) 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— wetter4) 以辅音字母 +y 结尾的双音节词，先改 y为 i ，再加 -er 。 happy—happier early— earlier funny—funnier easy — easier5) 多音节词和部分双音节词要在前面加 more important— more important delicious — more delicious expensive — more expensive outgoing — more outgoing tired ...
