YOU SAID:

Upon adopting the dog, she had more responsibilities to manage

INTO JAPANESE

犬を飼うようになってから、彼女はより多くの責任を負わなければならなくなった

BACK INTO ENGLISH

Since getting a dog, she has had to take on more responsibility.

INTO JAPANESE

犬を飼い始めてから、彼女はより多くの責任を負わなければならなくなりました。

BACK INTO ENGLISH

Since getting a dog, she has had to take on more responsibility.