英语中有很多不规则动词，它们的过去式并不是通过在动词后加上-ed来构成的。下面是50个常见的不规则动词和它们的过去式形式：
- be (是/在) - was/were
- become (变成) - became
- begin (开始) - began
- bring (带来) - brought
- build (建造) - built
- buy (买) - bought
- catch (捉住) - caught
- choose (选择) - chose
- come (来) - came
- cost (花费) - cost
- cut (割) - cut
- do (做) - did
- draw (画) - drew
- drink (喝) - drank
- drive (开车) - drove
- eat (吃) - ate
- fall (摔倒) - fell
- feel (感觉) - felt
- find (找) - found
- fly (飞) - flew
- forget (忘记) - forgot
- get (得到) - got
- give (给) - gave
- go (去) - went
- grow (生长) - grew
- have (拥有) - had
- hear (听到) - heard
- hide (隐藏) - hid
- hit (打) - hit
- hold (拿着) - held
- keep (保持) - kept
- know (知道) - knew
- leave (离开) - left
- lend (借) - lent
- let (让) - let
- lose (失去) - lost
- make (制造) - made
- mean (意味着) - meant
- meet (遇见) - met
- pay (支付) - paid
- put (放) - put
- read (读) - read
- ride (骑) - rode
- run (跑) - ran
- say (说) - said
- see (看见) - saw
- sell (卖) - sold
- send (发送) - sent
- show (展示) - showed
- sing (唱) - sang
这些不规则动词的过去式形式需要我们记忆和熟练掌握，这样我们在使用英语时就能够更加流利和自如地表达我们的意思。希望以上内容对大家学习英语有所帮助！
