Choose the correct options
Third Conditional
Type 3 conditionals (unreal past) are used to express imaginary situations which are contrary to facts in the past. They are also used to express regrets or criticism.

If-clause

If + Past Perfect / Past Perfect Continuous

Main clause

Would/could/might + have + V3 (-ed)

1. I wouldn't have been late for work unless you [had hidden|hadn't hidden] my car keys.
2. If that black leather bag [had been|was] cheaper, I would have bought it.
3. If I hadn't missed the bus, I [wouldn't have bumped|didn't bump] into Mary this morning.
4. [If|Unless] it had been my birthday, my parents would have bought me a puppy.
5. I [would have come|would come] to your party if I hadn't broken my leg.
6. She wouldn't have hurt her head if the brakes on her bike [had been|hadn't been] fine.
7. If they [had offered|offered] me a bigger salary, I would have occupied the manager position.
8. She [wouldn't have fired|wouldn't fire] him if she [had found|found] someone else to replace him.
9. My mum [didn't marry|wouldn't have married] dad 20 years ago if he hadn't proposed to her.
10. I [would have found|would find] that cafe using Google Maps if my battery hadn't been low.