Onlar uzun süredir burada yaşıyor.
- They have lived here for a long time.
Tom uzun süredir Boston'da yaşamaktadır.
- Tom has lived in Boston for a long time.
It's been ages since we last met.
- It's been a long time since we last saw each other.
It's been quite ages since we last met.
- It's been a long time since we last saw each other.
... for a long time, probably not since the ...
... We've been working on it for a long time. ...