How to say i was able to swim well when i was a child. in Japanese
1)
私私(watashi) (pn,adj-no) i/meはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh子供子供(kodomo) (n) child/childrenのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates questionときとき(toki) (n) regular jouetsu-line shinkansenはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh上手上手(jouzu) (adj-na,n) upper part/upper stream/upper course of a river/right side of the stage/stage leftにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.泳げno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbましたました(mashita) (n,adj-no) right under/directly below。。(。) Japanese period "."
丁寧語 (Polite form)Polite form (teineigo) convays a sense of politeness, used when speaking to strangers, people older than you, higher social status ect. Click for examples / more info
