英语中的不规则动词可以分为三类：原形、过去式和过去分词都相同的动词（如cost, cut, hit）；原形和过去式相同，过去分词为-ed的动词（如burned/burnt, dreamed/dreamt）；原形、过去式和过去分词都不同的动词（如begin - began - begun, bring - brought - brought）。分类记忆这些动词有助于提高英语水平。
一类：动词原形、过去式和过去分词都相同
这一类不规则动词非常简单，只需要记住它们就行了。以下是一些常见的动词：
- cost
- cut
- hit
- hurt
- let
- put
- set
- shut
- spread
二类：动词原形和过去式相同，过去分词为-ed
这一类不规则动词也比较容易记忆。以下是一些常见的动词：
- burned/burnt
- dreamed/dreamt
- leaned/leant
- learned/learnt
- spelled/spelt
- spoiled/spoilt
三类：动词原形、过去式和过去分词都不同
这一类不规则动词可能是最难记忆的。以下是一些常见的动词：
- begin - began - begun
- bring - brought - brought
- choose - chose - chosen
- do - did - done
- drink - drank - drunk
- eat - ate - eaten
- forget - forgot - forgotten
- give - gave - given
- go - went - gone
- know - knew - known
- see - saw - seen
- speak - spoke - spoken
- take - took - taken
