Sue didn't get me a present, which is why i didn't get her one	If Sue had got me a birthday prsent, i would have got her one
We didn't pay them because they made a mistake with our order	If they hadn't made a mistake with our order, we would have paid them on time
The climate is undergoing such radical changes that scientists are worried	If the climate wasn't undergoing such radical changes, scientists wouldn't be so worried
Did California become an important area because they found they found gold there ?	Would California had become an important area if they hadn't found gold there ?
It's the sunset that attracts tourists to that place	If it wasn't for the sunset, tourists wouldn't be attracted
There was a traffic jam on the motorway so i was late for my interview	If there hadn't been a traffic jam, i wouldn't have been late for my interview
I suggest you use a sunblock, and then you won't go red	If I were you, I would use a sunblock and then you wouldn't go red
The accident happened as a result of the driver's not paying attention to the road	If the driver had been paying attention to the road, the accident would't have happened
The only reason we won the contract was Debbie's fantastic presentation	We wouldn't have won the contract if it hadn't been for Debbies fantastic presentation
The eventual arrival of the ferry prevented a fight from breaking out amongst the passengers	If it hadn't been for the eventual arrival of the ferry a fight would have broken out amongst the pa
None of the passengers was injured because of the driver's guick reaction	But for the driver's guick reaction the passengers would have been injured
We'll have to cancel the meeting if Wendy doesn't turn up soon	Unless Wendy turns up soon, we'll have to cancel the meeting
Mr Jones would be quite lonely if he didn't have his daughter's visits	Were it not for his daughter's visits, Mr Jones would be quite lonley
Here's my phone number, because you might need it	In case you need it, here's my phone number
Agree to be back by midnight and you can go	Providing you are back by midnight, you can go
Officer Hughes prevented the robbers from escaping	Had it not been for officer Hughes, the robbers would have escaped
Without this new diet Henry would never have lost so much weight	Had it not been for this new diet, Henry would never have lost so much weight
Unless the plans change, we'll see you on the 19th	Provided there are no changes to the plans, we'll see you on the 19th
If you applied now, there's a good chance you would get the job	Were you to apply now, there's a good chance you would get the job
I didn't know about your problem so i didn't offer to help	If i would known about your problem, I would have offered to help
It could get cold at nights, so take some warm clothes	Take some warm clothes in case it gets cold at night
I would love to travel the world if i didn't have to pay off my mortgage	Were it not for having to pay off my mortgage, I would love to travel the world
Ten years ago, people would have complained at seeing this film	Had people seen this film ten years ago , they would have complained
Drivers are allowed to park here if they display a local resident permit	Drivers are allowed to park here, on condition that they display a local resident permit