1. If you DON’T CHANGE your marketing strategy, you will fail in your business.
2. If he PRESENTED a good project, I would be the first to encourage him.
3. If I WAS / WERE (и так, и так можно) the boss, I would run the company quite differently.
4. Even if he HAD POSTED the documents two weeks ago, they wouldn’t have arrived on time.
5. Unless we reach the agreement today we WON’T BE ABLE to start the project on time.
6. If we had enough money, we WOULD BE ABLE to pay back the loan.
7. If we had agreed to their terms, they WOULD HAVE SUPPLIED us by now.
8. You wouldn’t have got into trouble, if you HAD BEEN more careful in choosing business partners.
9. You WILL never SUCCEED, if you don’t have enough confidence.
10. If they DISCUSSED all the details in their previous meeting, they wouldn’t have any problems now.