1. 原级的基本用法： as….as….. 其否定式形式为： not …as… as . 说和读一样重要。Speaking is as important as reading. . 说不如读重要。Speaking is not as important as reading.Speaking is less important than reading.2. 原级的特殊用法：倍数 你比他高三倍。You are three times as tall as he. 形容词的比较级 elder sister ; Mr. Li is older than Mrs. Li. 1 比较级的基本用法：… than …我比你年龄大。I’m older than you.2 比较级的特殊用法： (1) 表示倍数：如：你比他高三倍。You are three times taller than he. (2) 表示高几米，大几岁等：如：他比我大 2 岁。He is two years older than me. (3) 表示“比其他任何…都…”如：他在我们班里比任何其他学生都小。He is younger than any other student (the other students) in our class.= He is the youngest in our class. (4) 表示“越来越…” 如：你正变得越来越美。You are getting more and more beautiful.天气正变得越来越暖和。The weather is getting warmer and warmer.(5) 表示“越…，就越…” 如：你越仔细，你犯的错误就越少The more careful you are, the fewer mistakes you will make. (6) 表示“两个中比较…的” 如：Lucy 是两个女孩中较矮的那一个。Lucy is the shorter of the two girls.(7) 在选择问句中：你和你的妹妹谁更瘦？--Who is thinner, you or your sister? 1 最高级的基本用法：有 of, in, among 时 .你在我们班是最好的。 You are the best in our class.2 最高级的特殊用法：(1) one of the + 最高级 + 复数名词你是我们班上最帅的男孩之一。You are one of the most handsome boys in our class.(2) 你我他，谁最聪明？Who is the cleverest , you , he or I ？(3) He is the shorter (short) of the two boys. the + 形容词比较级 +of the two 表示“两个中比较…的” 1 我起床比你早： I get up earlier than you.2. 我喜欢春天胜过冬天：I like spring better than winter. I prefer spring to winter.3 他们走的越来越慢：They walk more and more slowly. 副词的比较级4 我跑的比你快的多。I run much/far faster than you.5. 你学习月刻苦，你得到的就越多。The harder you are, the more you will get.6. 在我们班你写的最仔细。You write most carefully in our class. good/well bad/badly ill many/ much little far few old better- best worse- worst more- most less- leastfarther/ further- farthest/furthest fewer- fewest older/elder- oldest/ eldest nice wet fat thin busy nicer- nicest wetter- wettest fatter- fattest thinner- thinnest busier- busiest polite early easy easily slow slowly more polite- most polite earlier- earliest easier- easiest more easily- most easily slower- slowest more slowly- most slowly
