1.a)My father last went on holiday ten years ago.
b)It's been ten years since my father last went on holiday.
2.a)I've had this car since I passed my driving test.
b)I bought this car when I passed my driving test.
3.a)I've known Steve for four years.
b)I first met Steve four years ago.
4.a)It's the first time I've ever been to an English-speaking country.
b)I've never been to an English-speaking country before.
5.a)I've been friends with Jenny since as long I can remember.
b)I can't remember when I started being friends with Jenny.
6.a)He's never appeared in a film before.
b)This is the first he's ever appeared in a film.
