2f41f28c__Definition___UsingEnglish_com__Past_Simple
[Base Form] Swim [Past Participle] Swum [Past Simple] 
Swam
B e g a n
D r a n k
S h r a n k
S a n g
S a n k
S p a n / S p u n
S p r a n g
S t a n k
S w a m
ToRing- Irregular Verb Definition - UsingEnglish.com