Answer:
yes I think you are right
What the other guy said was right, I just want to add that if you see something “I drove many times” that would be imperfect. Anything in the past that was done more than once is imperfect
Example
“Yo manejaba muchas veces”
“Yo jugaba cada mes”
“Yo manejé una vez”
I dont understand what your asking about
Not sure what language you want this in but if you want it in English the here it is "If you do not let a dog give birth,can get sick"
