小学生在学习英语时，必须掌握过去式，包括be动词、常见动词和不规则动词的过去式。例如，’am/is’变为’was’，’go’变为’went’，’become’变为’became’等。掌握这些知识点对英语学习非常重要。
be动词的过去式
- am/is → was
- are → were
常见动词的过去式
- go → went
- do → did
- have → had
- eat → ate
- drink → drank
- see → saw
- hear → heard
- say → said
不规则动词的过去式
- be → was/were
- become → became
- begin → began
- break → broke
- bring → brought
- build → built
- buy → bought
- catch → caught
- choose → chose
- come → came
- cut → cut
- draw → drew
- drive → drove
- fall → fell
- feel → felt
- find → found
- fly → flew
- get → got
- give → gave
- go → went
- grow → grew
- have → had
- hear → heard
- hide → hid
- hit → hit
- hold → held
- keep → kept
- know → knew
- learn → learned/learnt
- leave → left
- lend → lent
- let → let
- lose → lost
- make → made
- mean → meant
- meet → met
- pay → paid
- put → put
- read → read
- ride → rode
- run → ran
- say → said
- see → saw
- sell → sold
- send → sent
- show → showed
- shut → shut
- sing → sang
- sit → sat
- sleep → slept
- speak → spoke
- spend → spent
- stand → stood
- swim → swam
- take → took
- teach → taught
- tell → told
- think → thought
- understand → understood
- wear → wore
- win → won
- write → wrote
