由形容词形成副词 | 英语文法指南 | ef-九游官网下载
在多数情况下，只要在形容词字尾加 ly 即可形成副词。
| 形容词 | 副词 |
|---|---|
| cheap | cheaply |
| quick | quickly |
| slow | slowly |
如果形容词字尾是 y，则去掉 y 再加 ly 即可。
| 形容词 | 副词 |
|---|---|
| easy | easily |
| angry | angrily |
| happy | happily |
| lucky | luckily |
如果形容词是以 able丶ible 或 le 结尾，则把 e 去掉再加 y 即可。
| 形容词 | 副词 |
|---|---|
| probable | probably |
| terrible | terribly |
| gentle | gently |
如果形容词是以 ic 结尾，就加上 ally。但有例外：public -> publicly
| 形容词 | 副词 |
|---|---|
| basic | basically |
| tragic | tragically |
| economic | economically |
有些副词和形容词同形：early丶fast丶hard丶high丶late丶near丶straight 以及 wrong
举例
- it is a fast car.
- he drives very fast.
- this is a hard exercise.
- he works hard.
- we saw many high buildings.
- the bird flew high in the sky.
well 也是副词，相当于形容词的 good。
举例
- he is a good student.
- he studies well.
- she is a good pianist.
- she plays the piano well.
- they are good swimmers.
- they swim well.