YOU SAID:
My puppy has just become pregnant with more puppies
INTO JAPANESE
私の子犬はちょうどより多くの子犬と妊娠し始めた
BACK INTO ENGLISH
My puppy just got pregnant with more puppy
INTO JAPANESE
私の子犬はちょうどより多くの子犬と妊娠しました
BACK INTO ENGLISH
My puppy just got pregnant with more puppy
You've done this before, haven't you.