1. Don`t worry, he (not\to refuse) to lend you the money. 2. They (to celebrate) the second anniversary of their wedding

1. Don`t worry, he did not refuse/ will not refuse (зависит от контекста) to lend you the money. 2. They will celebrate the second anniversary of their wedding next month. 3. Is he showing/ Will he show (зависит от контекста) us the sights of the town right now? 4. The actors are very good. I am sure the performance will be a great success. 5. I will never forget what you did for me.