No.
taken over
It is just the convention in English to apply past tense only once. I care, I cared I do care, I did care I took care, I have taken care in all instances the past tense is applied only once, at the...
depending on what you mean... when you are in a relationship and you have a boyfriend.. you are taken
Yes, just make sure that it has enough water and the temperature is similar to our homes temperature.