What would be some proper ways to ask for the amount of time since someone has acquired something. (formal/informal)
Like the question for the following answer:
A: Oh, your puppies are adorable.
A: ... ?
B: I have got them for 2 years.
Here's what I could come up with, if they are at all correct:
A: How long has it been since you've got them?
A: Since when do you have them?
When did you get them?
A: Oh, your puppies are adorable.
A: When did you get them?
B: I got them 2 years ago.
Also consider:
How long have you had them?
So,
A: Oh, your puppies are adorable.
A: How long have you had them?
B: I have had them for 2 years.
'Had' is a participle of 'to have', which in this case is:
possess, own, or hold
Of interest: Uses of "have you had" and "did you have"
I would ask:
How long have you had them for?
or
Since when have you had them?
The first asks for the amount of time the person has owned the pet for. A possible reply would be:
B: "I have had them for three years."
The second question asks for the date on which they bought the pet. A possible reply would be:
B: "I have had them since July 2014."
