I've never been given such a nice present.	It's the nicest present I've ever been given.
He's never flown by Concorde before.	It's the first time he's ever flown by Concorde.
It's a long time since he visited us.	He hasn't visited us for a long time.
When did you leave school?	How long ago did you leave school?/How long is it since you left school?
The last time I saw her was a month ago.	I haven't seen her for a month.
He joined the golf club ten months ago.	He has been a member of the golf club for ten months.
It's a month since she moved to Austria.	She moved to Austria a month ago.
She started English lessons a year ago.	She has been doing English lessons for a year./It's a year since she started doing English lessons.
Having had dinner, I went to bed.	After having dinner/After I had had dinner, ...I went to bed.
I think there will be war soon.	In my opinion, there is going to/If you ask me, there's bound to ...be war soon.
I think there will be war soon.	In my estimation, war is imminent.
I don't believe he'll come.	It's my belief/I have a feeling ...that he won't come.//There's no reason to believe that he'll come
While I was walking down the street I saw Marry.	While/When I was...walking down the street,I saw Marry.//It was while I was walking down that I saw
Was there any response to his appeal?	Did anyone respond to his appeal?/Was his appeal responded to by anyone?
The race takes place tomorrow.	The race will/is going to be held/take place tomorrow.
She started doing her homework as soon as her brother had left for school.	She started doing her homework until her brother had for school.
She started doing her homework as soon as her brother had left for school.	She waited until her brother had left for school before she started doing her homework.
She started doing her homework as soon as her brother had left for school.	Not until her brother had left for school did she start doing her homework.
When did you last have a haircut?	When was the last time you had a haircut?
She wrote the book while she was on holiday.	She wrote the book during her holiday.
I only slept for an hour last night.	I only had an hour's sleep last night.
It is certain that he'll pass his exams.	There is no doubt that he'll pass/He is bound to pass ...his exams.