In terms of accent - most was from my parents and surrounding kids when I was growing up, of course, but a did also absorb a fair bit of BBC English from spending a LOT of time watching the Beeb back then too.
In terms of vocabulary, and grammar to some extent, reading. I read a lot back in the day - and still do, really, although the call of the phone has had an inevitable effect.
In terms of accent - most was from my parents and surrounding kids when I was growing up, of course, but a did also absorb a fair bit of BBC English from spending a LOT of time watching the Beeb back then too.
In terms of vocabulary, and grammar to some extent, reading. I read a lot back in the day - and still do, really, although the call of the phone has had an inevitable effect.