This dress is less expensive than that one.
形容词的比较级和最高级的用法
• 比较级只用于两者之间，通常与than连 用。形容词的比较的对象如果很清楚，比 较级也可以独立存在。
Paul is taller than Sophie. This year the crowd is larger (than last
形容词的比较级和最高级的变化规 则
• 一般的形容词后面直接加er或者est。
• tall—taller– tallest
• few—fewer—fewest • 以e结尾的形容词后面直接加r或者st。
• large– larger—largest • 以辅音字母加y结尾的形容词，变y为i，后
面加er或者est
• Examples • I’ve got some coffee.—I’ve got less coffee than
you have. I’ve got the least. • I’ve got some biscuits.– I’ve got fewer than you
have. I’ve got the fewest. 1. I’ve got some jam. 2. I’ve got some vegetables.
形容词的比较级和 最高级
形容词的原级
• 任何名词都会带形容词，这就是形容 词原级。
• A big ball.
形容词的比较级
• 任何两个名词如果进行比较，他们之 间都有差异，这就有了比较级。
• A bigger ball.
形容词的最高级
• 三者放在一起比较，就有了最高级。 The biggest ball.
• pretty—prettier--prettiest
• 以短元音加辅音结尾的形容词，双写辅音，后面 加er或者est
• hot—hotter—hottest • 少数形容词的比较级和最高级是不规则的 • good—better—best bad—worse—worst • many/much—more—most • little—less—least • I have not made many mistakes. • I have made more than you have. • I have made the most.
• I’ve got some coffee. • I’ve got more coffee than you have. 1. I’ve got some soap. 2. I’ve made many mistakes. 3. I’ve got some stationery.
• 模仿例句改写以下句子
class. • younger; youngest • This street is clean. This street is ___. This street is ___ I
have ever seen. • cleaner; the
• 模仿例句将以下句子改成比较级 • Example:
• 多音节形容词(音标中含有两个以上的元音 就是多音节) 较高比较级：more, the most 较低比较级：less, the least
This dress is more expensive than that one.
It is the most expensive dress in the shop.
year).
• 最高级用于三者或者三者以上，形容词的最高级 必须加定冠词the，并常常伴有一个表示范围的介 词短语或从句。
• the+形容词最高级 +表示范围的短语或从句
• This is the longest river I have ever seen.
Exercise
• 用形容词的适当形式填空。 • It is warm today ,but it was ____ yesterday. • Warmer • It is cool today, but it was ____ yesterday. • Cooler • I am very young. I am ___ than you are. I am ___ in the