it's over six month since jonh had had his hair cut
-john hasn't had his hair cut for over six months.
how long is it since you rode a bicycle?
-when did you last ride a bicycle ?
when did you last telephone him?
-how long is it since you last telephoned him?
we have never eaten this kind of food before
-it's the first time I 've ever eaten this kind of food
t's over six month since jonh had had his hair cut
-john hasn't had his hair cut for over six months.
how long is it since you rode a bicycle?
-when did you last ride a bicycle ?
when did you last telephone him?
-how long is it since you last telephoned him?
we have never eaten this kind of food before
-it's the first time I 've ever eaten this kind of food