YOU SAID:
choo choo went the train
INTO JAPANESE
choo choo は電車に乗りました
BACK INTO ENGLISH
choo choo got on the train
INTO JAPANESE
チューチューは電車に乗りました
BACK INTO ENGLISH
Chu Chu got on the train
INTO JAPANESE
チューチューが電車に乗った
BACK INTO ENGLISH
chu chu got on the train
INTO JAPANESE
チューチューが電車に乗った
BACK INTO ENGLISH
chu chu got on the train
Well done, yes, well done!