20 động từ bất quy tắc thường dùng

1. tell - told - told

2. teach - taught - taught

3. do - did - done

4. go - went - gone

5. eat - ate -eaten 

6. give - gave - given

7. be - was / were - been

8. see - saw - seen

9. put - put - put

10 . read - read - read

11. find - found - found

12. get - got - got

14. drink - drank - drunk

15 . have - had - had 

16. leave - left - left

17. think - thought - thought

18. write - wrote - written

19. say - said - said

20 . ride - rode - ridden

21. know - knew -known

nguyên thể      quá khứ       PII

Be                    was,were      been

Do                   did               done

Go                    went            gone

Read                read             read

Ride                 rode             ridden

Run                  ran               run

Sit                    sat                sat

Take                took             taken

Sleep               slept             slept

Speak              spoke           spoken

Swim               swam           swum

Think               thought       thought

Tell                  told              told

Win                 won              won

Write               wrote           written

Understand    understood  understood

Mistake           mistook       mistaken

Buy                 bought         bought

Cut                  cut                cut

Meet                met              met