形容词的三种形式
| 形式 | 用途 | 例子 |
|---|---|---|
| 原级 | 描述一个事物 | tall, important, good |
| 比较级 | 比较两个事物 | taller, more important, better |
| 最高级 | 比较三个或以上 | tallest, most important, best |
“Ahmad is tall.”(原级) “Ahmad is taller than Ali.”(比较级——两人比较) “Ahmad is the tallest in the class.”(最高级——多人比较)
规则
短形容词(1个音节):加 -er / -est
| 原级 | 比较级 | 最高级 |
|---|---|---|
| tall | taller | tallest |
| fast | faster | fastest |
| big | bigger | biggest |
| hot | hotter | hottest |
拼写规则:
- 以-e结尾 → 加-r/-st:nice → nicer → nicest
- 辅音+元音+辅音 → 双写最后一个字母:big → bigger
- 以-y结尾 → 变y为i:dry → drier → driest
以-y结尾的双音节形容词:变-y为-ier / -iest
| 原级 | 比较级 | 最高级 |
|---|---|---|
| happy | happier | happiest |
| easy | easier | easiest |
| busy | busier | busiest |
长形容词(2个以上音节):用 more / most
| 原级 | 比较级 | 最高级 |
|---|---|---|
| important | more important | most important |
| beautiful | more beautiful | most beautiful |
| difficult | more difficult | most difficult |
不规则形式(必须背)
| 原级 | 比较级 | 最高级 |
|---|---|---|
| good | better | best |
| bad | worse | worst |
| far | farther | farthest |
| many/much | more | most |
关键语法规则
- 比较级用”than”:“easier than”
- 最高级用”the”:“the smartest”
- 绝不双重叠加:不能说”more bigger”或”most tallest”
SPM常见错误
错误一:双重比较级
错误: “more easier” 正确: “easier”
错误二:双重最高级
错误: “the most prettiest” 正确: “the prettiest”
错误三:漏掉”than”
错误: “He is taller his brother.” 正确: “He is taller than his brother.”
错误四:漏掉”the”
错误: “She is smartest student.” 正确: “She is the smartest student.”
错误五:good和bad的错误形式
错误: “gooder” / “goodest” 正确: “better” / “best”
在作文中使用比较级和最高级
论证观点
“Online learning is more convenient than traditional classes.”
强调重点
“Education is the most important investment.”
增加多样性
用最高级代替”very”:
- “very important” → “the most important”
- “very good” → “the best”
练习
改正错误:
- She is the more intelligent student.
- This book is more cheaper than that one.
- He is the most good player.
- My house is bigger your house.
答案:
- the most intelligent
- cheaper
- the best
- bigger than your house
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